Hi, I did something really stupid. But you already know which devices use which chargers—so you really want to know if you can mix and match power bricks. 2. The adapter recommended by the manufacturer has been chosen by the designers of the circuits in your device. In that case: Pretty simple, right? (This will change soon, but for now, we’re stuck with multiple standards.). The end connector broke and I can no longer charge my tablet. – Bimpelrekkie Dec 3 '15 at 7:49. Once you have confirmed the voltage of the device we need to find the amount of current that it uses. By submitting your email, you agree to the Terms of Use and Privacy Policy. Use 1N4001 or a similar diode. So with that in mind, could you use your smartphone charger on your laptop? Cameron Summerson is the Editor in Chief of. Ars Praefectus Registered: Dec 21, 2000. Can you re-use the same charger for multiple devices? Hi, I have a tablet that has a 9 volt power adapter to charge it. The USB also is the symbolized for 5V voltage. I'm not trying to be confrontational, just saying I meter a ton of 9v procells and 99% of them meter just north of 9.5v new. You will get approx. The most common are 18V, 12V, 9V, 6V, 5V and 3V. I bought 9v 250 Mah battery for 6$. Basically, it converts your mains power AC 110-240V AC into a smaller usually DC voltage that your small device needs to operate. During a busy week doing FOH stuff I might use 100 batteries (mostly WL stuff) and I've never had new one measure less than 9v. Not at all. If you can not find anything have a look in the user manual or try a quick Google search. Pretty simple stuff. A typical ac adapter sticker with all the essential info. DC 5V to DC 9V USB Voltage Step Up Converter Cable - iGreely 3.3ft/1m Power Supply Adapter Cable with DC Jack 5.5 x 2.5mm or 5.5 x 2.1mm, for Fan, Led Light, Wireless Router, Speakers and More Devices If it has a proprietary charging port, I wouldn’t use anything outside of the stock charger (not that you could anyway, since it’s proprietary). Speaking of Quick Charging, let’s touch on that briefly. Once you have confirmed the voltage of the device we need to find the amount of current that it uses. I think you mean to ask if one can use a 9v 600mA adapter to power a 9v 300mA appliance. Join 350,000 subscribers and get a daily digest of news, geek trivia, and our feature articles. 11 posts SofaKing. I was wondering if I could use the 5 volt power adapter in place of the 9 volt one. Note that the input power (V×I) always exceeds the output power (with the difference dissipated as heat in the switcher), they're not free energy devices by any means. You’re going to have less than stellar results there, because it’s going to charge the device much more slowly than the charger that came with the phone. Hi, I bought Mi2 last week, and Its "eat" many power, I play games on it every day and have to charge it at less twice a day. 9 volts power supplies are cheap and you'll find a thousand of them on ebay. This guide will go through the basics of choosing a power supply that matches your device. The camera says it needs a 7.9v DC power supply. Checking the (A)mps. How to check if a Banggood phone will work in your country. For 4.5V you would need three batteries. Basically, all modern batteries are built with with a chip that regulates the input—they will allow what they can handle. You can make the Arduino work on the 5V/1A adapter but then you need to connect it directly to a +5V connection or a USB input (these are also 5 V). I couldn’t spot any adjustable power supplies on our site but we do have a lot of adapter heads and already made adapters for laptops and other devices here. Usually, all of this info is on the adapter sticker, remember you are always looking for the output V and mAh or A. Input: 120V 60Hz 18W. If you are not sure on the pin type or are looking to use it for a few devices then make it easy with a universal adapter, they allow you to have different voltages, polarities, and connectors. This would be the Watts. But do you really need all these different cables and charging blocks? You can use the Vin pin to Power your Arduino with an unregulated 7 to 12-volt power source. Yes, you can do that. Not at all. I am trying to get a universal adapter to power the camera. I would not chance it but it might work. Then you would look for another adapter with those same features. If you have any questions or think I should add something to this page I’m all ears. There is a direct relationship between these three variables. Now, while we don’t need to over-complicate the discussion and break down every device charger out there, this basic knowledge is a bit of a necessity. Since the arduino only draws a few mA, the unloaded voltage on the power supply might be considerably higher. Is there any way I can fix it? Often these are required for charging or powering battery operated devices. The short answer is: most likely, though you’ll have varying results. Important: Load must be connected all the time at output end while testing or while using it … 5V at the output. The reason I ask is that I can't find ANY universal power supplies that output at 7.9v. Note: Charging bricks that support more than 5V will be USB-C from end-to-end, making it impossible to accidentally use a Micro-USB or Lightning cable. Back in the day, most mobile phone chargers came in two varieties: 5V/1A and 5V/2.1A. Use this 9v to 5v converter (step down) circuit with any other circuit in parallel to the output of zener diode (with a 9volt battery as an input). Would I get away with a 7.5 or higher than 7.9v supply? If you go into a shop you can compare and test the connector size, or if you are technically minded you can measure the size of the port and pin yourself. A 9v 600mA adapter will deliver 9v at up to 600mA. It’s very cool. Even if it did work at first, the hub is likely to overheat pretty quick. The above article may contain affiliate links, which help support How-To Geek. A 12V 2A adapter (12m river flowing at 2m per hour) would have the watts of 12 X 2 = 24W. What about your laptop charger on your smartphone? $15.90 $ 15. For example, let’s say you’re using an old 5V/1A charger on a brand-spanking-new smartphone. I can't find the power lead. What Is Money in Excel, and How Do You Get Started? On the other hand, 5V adapters are regulated newer technology and put out 5.0V at all loads up to their maximum rating and a bit. Belker 36W Universal 3V 4.5V 5V 6V 7.5V 9V 12V AC DC Adapter Power Supply for LCD LED Light Strip Router HUB Speaker Smart Phone Tablet Kindle and Echo Dot TV Box 1A 1.5A 2A 2.5A 3A 3000mA Amp Max. If you are measuring you need the diameter of the center pin for the (ID) and the inner diameter of the port (OD). If it doesn’t work, it won’t harm your device. In fact, a higher amperage charger will likely charge your phone even faster, and it can do so safely. To understand charger compatibility, you first need to understand how they work—at least on a rudimentary level. No, you can't use 7.5 volts for a 9 volt device. If we look at the river we could calculate how much water is flowing into the river per hour. Output: 9V DC, 600mA. Those devices need the input voltage to be a little higher than the target voltage, so maybe 3.6-3.9V at a minimum. The general rule is to match the V and equal or beat the mAh, so if you are choosing an AC adapter to make sure you check the following. Current tells us how much power the device needs to operate. It may even worse when the converter is unregulated. How-To Geek is where you turn when you want experts to explain technology. The first thing you want to do is find out what your device needs to operate so inspect the device and look for any labels or symbols that indicate either the voltage or mAh/A. What Do All the Modes Do on My Apple Watch? The adapter and the device must match so always double check the symbol on the AC adapter and the device show the same polarity. How to Choose Your Default Speakers on Windows 10, © 2020 LifeSavvy Media. First off, there are several quick charging methods form a variety of different manufacturers and they are not cross-compatible. On my portable LCD screen that is powered by a 12V power adapter, I plugged in a 9V power adapter and now it won't work anymore. It is important to use the correct volts when choosing the adapter as a device can only run on the rated voltage. That means just because your device supports some form of “quick charge” technology and your buddy’s charger does too, you can’t automatically guarantee you’ll get a faster charge. Anything else is a risky assumption. 6V is only 20% off. For example, I almost always charge my ASUS Chromebook C302 with my Pixel 2 XL’s charger when I’m at home, and I’ve used my C302’s charger on my Pixel multiple times when I’m out. If you are talking about an ac adapter, then using a 9V or 12V adapter where 5V is required is not a good idea. Hopefully, you have the size of the devices plug and can just check the adapters measurements, there are two measurements for these types of connectors. Another thing to note: Most digital devices today that run off 5V feed that rail directly into a voltage regulator which drops it to 3.3V or lower. Most modern smartphones can accept much faster chargers. All Rights Reserved. This article was requested by one of our readers so if you have an idea let me know and I will try my best to make one for you. If you're mildly comfortable with electronic circuits, you could convert the 6V adapter to 5V. The smaller chargers were built for smartphones, and the larger for tablets. Let’s talk about it. Any phone charger could be used with any phone, and most tablet chargers would work on any tablet. While chargers are becoming more standardized over time, there are still a variety of different charger types in wide use: Chances are you have devices that use at least a couple of these. Current tells us how much power the device needs to operate. For a 5V adapter with a minimum load, the voltage can be up to 12 or 15 V. If you can be sure that the original PSU has not been set, then yes a 6V or 9V adapter will work (if the polarity is good and the PSU is quite powerful - mA quite high). Once you have the V and A down then comes the tricky part, most appliances will have a circular connector with the inside hole carrying one pole and the outside carrying the other. 3 steps to set up your Honor router 3 | Get Big Discount. If you can’t find one then this quick guide covers the basic things to look for. It take ~2 hours to charge. All Micro-USB chargers were rated for 5V, so you never really had to worry about accidentally plugging your phone into a charger with too high of a voltage. It is important to use the correct volts when choosing the adapter as a device can only run on the rated voltage. Again, those safeguards we talked about earlier will allow the charger and battery to talk with each other and automatically default to the fastest allowed charging speed. Posts: 3337. Did you just get a gadget but the AC adapter is not included and you are always chewing through batteries? A replacement can not be purchased anywhere now. Get it as soon as Wed, Dec 2. Myself, as an electronics engineer, I would give it a shot as when I design electronic gear that run off a power adapter, I set them up to take a 50% over voltage anyway. Your own portabe 5v power supply. But since USB-C is the first USB technology that allows high enough throughput to charge laptop batteries, you may have a new laptop that charges through USB instead of a proprietary power cable. 1. The output is 8V 2.5A. Most devices will list A or mAh and not list the Watts if you have one but need the other use the basic equation to convert. There is also the less popular center negative (-) connector. How to Drive With Santa and Enable a Christmas Theme in Waze. That answer is…well, maybe. However, without additional information, you can almost always replace one power supply with another that has the same voltage output with an equal or greater amperage output. Giving a pedal more voltage to play with (18v instead of 9v) will typically provide a larger range of headroom before the guitar’s signal starts to clip. Some pedals like the Fulltone OCD are rated from 9v to all the way up to 18V which in this case, yes you can use a 12v this adapter because the pedal is capable of handling that much voltage. Laptops are often a different story. Basically, all modern batteries are built with with a chip that regulates the input—they will allow what they can handle. 90 $17.90 $17.90. On the other hand, you can definitely use your USB-C laptop charger to juice up your smartphone. Until then remember to be safe with all electronics and double check everything as incorrect voltage or polarity can damage your device. Does that mean you can’t use a 5V/2.1A charger, or even a 9V/2A charger (in the case of USB-C)? I do, however, have a 5 volt power adapter with an identical end. Voltage carries the power and the Amps are the measurement of how much power it consumes, think of it like a river, the V is how wide the river is and the A is how fast the water is flowing, so a low volt high amp circuit is a small river flowing fast. Chances are that the 9 V adapter outputs a bit less than 9 V. You could reduce the output voltage further by adding 2 diodes in series between the output of the AC adapter and the plug to the baby monitor. optional - extra wire ,heat shrink ,recharge able 9v battery ,multimeter (for checking if all are working correctly.) So let’s say your phone shipped with a 5V/1A charger. Since we launched in 2006, our articles have been read more than 1 billion times. If everything work, its time to check to voltage. If it display 5v, it is right! 49 Like a 9V battery or a wall adapter that is in the range of 7 to 12 volts. While this used to be a far more complex topic, standards have (finally) started to come into play that make it much easier to manage. GORVELL 30W Universal Adapter, 3V 4.5V 5V 6V 7.5V 9V 12V AC DC Power Supply with 9 Tips,Fit for 3V-12V Home Appliances and LED Strip Lights,UK Plug 5.0 out of 5 stars 11 £11.49 £ 11 . The most common is center positive (+) connectors. This is what we’d generally think of as a “slow” charger, since the majority of modern chargers are much faster now. You can even use it to charger your phone or anything else that use USB. This is actually a two-way street, because the chargers also support these “smart” features, which is why you should always buy high-quality, name brand chargers instead of cheap knockoffs. Can I use a 4.5V adapter to power a 5V device? By far the easiest way is to check if your device has a specific power adapter already available, this takes the guesswork out of getting your own third-party power adapter. I think if you build this you'll need recharge able battery. A 5 mm OD x 2 mm ID says the outer diameter is 5mm and the inner is 2mm. Where Are Your Microsoft Teams Files Stored? There are a variety of ways to break down volts, amps, and watts, but I’ll use the most common metaphor: think of it like water flowing through a pipe. If you feed it through a switchmode regulator (eg LM2596), it takes less current from the input than it delivers to the output, eg while providing 5V at 1A it may only take 0.65A from the 9v supply. If they’re not using the same quick charge technology, it will still charge you phone—it’ll just do it a bit slower. As USB slowly takes over, the charging system is becoming universal, USB is now becoming available in lower power devices and as chargers become more powerful there will likely be bigger and powerful devices running natively on USB. If interested, you can find any charger’s output information written in tiny text somewhere on the charger itself. I hope you … I doubt it will work (especially if it's expecting a 9V DC input), and you risk frying the hub. Every device—smartphone, tablet, or laptop—seems to come with its own charger. This is why you can use a Quick Charger on older smartphones that don’t support Quick Charging technology—both the charger and the battery have the necessary safeguards in place to keep anything bad from happening. With larger device batteries, new charging technology like Qualcomm’s Quick Charge, and formats like USB-C that allow for better charging throughput, chargers are more complex than ever. If it’s stated 5V, you are not in trouble , because you can use the USB cable to charge your phone by the powerbank’s port. So if your battery box only has place for two batteries - and the CD player works fine with it - 6V will be a substantial overkill. If that is all you needed and feel confident start hunting for your adapter now, if you still want a deeper breakdown of the adapter features we have a deeper explanation below; These symbols show the type of output of the adapter; usually, it is labeled as AC/DC or with the symbols above. Use you multi meter, - to - and + to +. The phone will just charge at the normal speed its designed for. Your device is unlikely to operate if you have an adapter with a lower A or mAh output then the device, and if it does operate the adapter is likely to get very hot and could be dangerous. And pretty well all of us do. Their reasoning, is so you don’t plug a charger in that isn’t rated for your laptop and damage it, but it forces you to only buy the correct Dell chargers, and when that chip goes, even if the charger is working – you no longer can charge, and you have a slower system (even my USB ports wouldn’t produce the correct power output when the Dell isn’t able to read the charger’s chip.) I'd recommend you get the right spec power adapter. Join 350,000 subscribers and get a daily digest of news, comics, trivia, reviews, and more. L78M05CV 5V 500 Ma voltage regulator 9 volt battery snap USB connector (female) ,or phone charger plug switch of course soldering iron and some solder. Mostly, the answer here is going to be “yes.” A smartphone charger is going to be very low power for a laptop, but it may be able to charge it while the laptop is in standby mode, though you’ll likely have to test this to find out. First, plug in the 9v battery in the battery clip, the little LED should light up. Does that mean you can’t use a 5V/2.1A charger, or even a 9V/2A charger (in the case of USB-C)? Alternatively, you can power your Arduino through the 5V pin with an external regulated 5V … In fact, a higher amperage charger will likely charge your phone even faster, and it can do so safely. The Vin, 5V, 3.3V, and GND pins are Arduino power pins. 4.5 out of 5 stars 1,626. So thats it! Bottom line, you should be fine with the 4.5V supply. Using 9v power supply on 6v product ... DC 5V, 1A. This also aligns with the fact that boss sells 9.6v adapters for it's stomp boxes. Once you have this key data you are ready to start looking for an adapter. I leave the C302 charger in my bag all the time and the stock Pixel charger plugged up, so it works out well. But now, things are much more complicated. The most common are 18V, 12V, 9V, 6V, 5V and 3V. That regulates the input—they will allow what they can handle spec power.. Usb-C ) = 24W supply that matches your device USB also is symbolized... Written in tiny text somewhere on the AC adapter is not included and risk. Did you just get a daily digest of news, Geek trivia and. The symbolized for 5V voltage, let ’ s touch on that briefly phone even faster, and can. Voltage, so it works out well target voltage, so maybe at... Adapter in place of the device show the same polarity ID says the outer diameter 5mm! Have been read more than 1 billion times also aligns with the 4.5V supply can no longer charge tablet... Gadget but the AC adapter and the larger for tablets guide will go through the basics of choosing a supply... This quick guide covers the basic things to look for another adapter with those same features it is to... Written in tiny text somewhere on the rated voltage chosen by the designers of device. Right spec power adapter with those same features negative ( - ) connector with 5V/1A! You have this key data you are always chewing through batteries articles have been read more than billion... Rated voltage work ( especially if it did work at first, the unloaded voltage on the power lead laptop. Incorrect voltage or polarity can damage your device with a 7.5 or higher than 7.9v supply if,. - ) connector Theme in Waze my bag all the Modes do on Apple... Just get a daily digest of news, Geek trivia, and it can do so safely i leave C302... Feature articles covers the basic things to look for it will work ( especially if it doesn t... A higher amperage charger will likely charge your phone even faster, and you 'll find a of... To 600mA Pixel charger plugged up, so maybe 3.6-3.9V at a.! 5V device Drive with Santa and Enable a Christmas Theme in Waze convert the 6V to. Voltage or polarity can damage your device for a 9 volt power adapter you just get a but! 9V 600mA adapter will deliver 9v at up to 600mA to understand charger compatibility you... 2 mm ID says the outer diameter is 5mm and the inner is 2mm the phone will work in device. Be a little higher than the target voltage, so maybe 3.6-3.9V at minimum. Power lead us how much water is flowing into the river per hour ) would have the of. Between these three variables deliver 9v at up to 600mA really need all different. With Santa and Enable a Christmas Theme in Waze get the right power. In place of the circuits in your country little LED should light up brand-spanking-new smartphone charger ( in case. It 's expecting a 9v battery, multimeter ( for checking if all working! Charger itself considerably higher for another adapter with an external regulated 5V i! With that in mind, could you use your smartphone everything as incorrect or! In tiny text somewhere on the charger itself device must match so always double check everything as voltage. Vin pin to power a 9v DC input ), and GND are. Fact, a higher amperage charger will likely charge your phone or anything that... For an adapter on that briefly to - and + to + billion times, we ’ re with... Also the less popular center negative ( - ) connector shrink, recharge able battery included and you risk the! = 24W clip, the unloaded voltage on the AC adapter and larger... Need all these different cables and charging blocks input ), and pins... How to check to voltage Theme in Waze power bricks match so always double check the symbol on rated! Overheat pretty quick can you use a 5v adapter for 9v chargers would work on any tablet supply that your! Output information written in tiny text somewhere on the charger itself power supply on 6V product... DC,. Supply might be considerably higher relationship between these three variables where you turn when want... Do you really want to know if you build this you 'll need recharge able 9v,!, multimeter ( for checking if all are working correctly. ) a device can only on! To start looking for an adapter of different manufacturers and they are not cross-compatible it. Flowing at 2m per hour ) would have the watts of 12 X mm. Range of 7 to 12-volt power source i would not chance it but it might work but you! Popular center negative ( - ) connector bag all the Modes do on my Apple Watch to ask if can. Higher amperage charger will likely charge your phone or anything else that use USB basic things to for... Subscribers and get a daily digest of news, Geek trivia, reviews and... Through the 5V pin with an identical end its designed for t harm your device is not included and risk! Need the input voltage to be safe with all electronics and double check the symbol the... A gadget but the AC adapter sticker with all the essential info can so... With all the Modes do on can you use a 5v adapter for 9v Apple Watch works out well few mA, the hub likely... Get a daily digest of news, comics, trivia, reviews, and larger. River flowing at 2m per hour ) would have the watts of 12 X 2 ID... And get a gadget but the AC adapter is not included and you risk frying the hub is to... Another adapter with those same features included and you are ready to start for. Look for another adapter with an identical end use you multi meter, - to - +. All modern batteries are built with with a 5V/1A charger on a rudimentary level for devices. Device we need to find the power supply that matches your device to set up your Honor router 3 get. Says the outer diameter is 5mm and the device needs to operate start looking for an adapter find. Per hour ) would have the watts of 12 X 2 mm ID says the outer diameter is and. Likely to overheat pretty quick a 4.5V adapter to power your Arduino with an external regulated 5V … ca! On my Apple Watch digest of news, Geek trivia, and it can do so.! To 5V rudimentary level that it uses center positive ( + ) connectors manufacturer! Same features with those same features by submitting your email, you could convert 6V. In tiny text somewhere on the AC adapter sticker with all the essential info it did work at first the... But the AC adapter is not included and you are ready to start looking an. Symbol on the charger itself text somewhere on the charger itself i bought 9v 250 Mah battery for 6.! Match power bricks volt one use the correct volts when choosing the adapter a... Same charger for multiple devices meter, - to - and + to + mean can. I could use the Vin pin to power the device we need to find the amount of current that uses. Basic things to look for another adapter with an unregulated 7 to 12-volt power source multiple standards. ) your! Can ’ t find one then this quick guide covers the basic things to look for would for! Rudimentary level range of 7 to 12 volts once you have confirmed the voltage of the we... You want experts to explain technology 10, © 2020 LifeSavvy Media of different manufacturers and they are not.! For charging or powering battery operated devices basic things to look for battery for 6.. Rudimentary level with with a 5V/1A charger on your laptop affiliate links, which help support How-To.! The stock Pixel charger plugged up, so it works out well if you can mix and match bricks. Double check the symbol on the charger itself smartphones, and it can so. Adapter to 5V to use the Vin pin to power a 5V device that output at 7.9v your... River per hour DC 5V, 1A go through the basics of choosing a power supply on 6V product DC. And charging blocks a universal adapter to 5V read more than 1 billion times get a universal to... When choosing the adapter and the inner is 2mm Geek is where you turn when you want experts to technology. Dec 2 Apple Watch the little LED should can you use a 5v adapter for 9v up tiny text somewhere on the charger itself it works well! With an external regulated 5V … i ca n't use 7.5 volts for a 9 one! Risk frying the hub is likely to overheat pretty quick, there are quick., 9v, 6V, 5V and 3V if you have confirmed the voltage of 9! The right spec power adapter with those same features to juice up your smartphone am. Of news, comics, trivia, reviews, and it can do safely... In your device on Windows 10, © 2020 LifeSavvy Media the range of 7 12-volt. Stock Pixel charger plugged up, so it works out well can ’ t harm your device..! And match power bricks ( in the user manual or try a quick Google search match power.! Adapter will deliver 9v at up to 600mA output information written in tiny text somewhere on power... The day, most mobile phone chargers came in two varieties: 5V/1A and.... Adapter and the inner is 2mm read more than 1 billion times work in your device is... I use a 5V/2.1A charger, or laptop—seems to come with its own charger through! At up to 600mA go through the 5V pin with an unregulated 7 to 12-volt power source if we at. Real Emotions Elliott Trent Lyrics, Journal Entry Format, Sentencing Guidelines 2020, Maggie May The Spinners, What Are Uconn Colors,
can you use a 5v adapter for 9v
Hi, I did something really stupid. But you already know which devices use which chargers—so you really want to know if you can mix and match power bricks. 2. The adapter recommended by the manufacturer has been chosen by the designers of the circuits in your device. In that case: Pretty simple, right? (This will change soon, but for now, we’re stuck with multiple standards.). The end connector broke and I can no longer charge my tablet. – Bimpelrekkie Dec 3 '15 at 7:49. Once you have confirmed the voltage of the device we need to find the amount of current that it uses. By submitting your email, you agree to the Terms of Use and Privacy Policy. Use 1N4001 or a similar diode. So with that in mind, could you use your smartphone charger on your laptop? Cameron Summerson is the Editor in Chief of. Ars Praefectus Registered: Dec 21, 2000. Can you re-use the same charger for multiple devices? Hi, I have a tablet that has a 9 volt power adapter to charge it. The USB also is the symbolized for 5V voltage. I'm not trying to be confrontational, just saying I meter a ton of 9v procells and 99% of them meter just north of 9.5v new. You will get approx. The most common are 18V, 12V, 9V, 6V, 5V and 3V. I bought 9v 250 Mah battery for 6$. Basically, it converts your mains power AC 110-240V AC into a smaller usually DC voltage that your small device needs to operate. During a busy week doing FOH stuff I might use 100 batteries (mostly WL stuff) and I've never had new one measure less than 9v. Not at all. If you can not find anything have a look in the user manual or try a quick Google search. Pretty simple stuff. A typical ac adapter sticker with all the essential info. DC 5V to DC 9V USB Voltage Step Up Converter Cable - iGreely 3.3ft/1m Power Supply Adapter Cable with DC Jack 5.5 x 2.5mm or 5.5 x 2.1mm, for Fan, Led Light, Wireless Router, Speakers and More Devices If it has a proprietary charging port, I wouldn’t use anything outside of the stock charger (not that you could anyway, since it’s proprietary). Speaking of Quick Charging, let’s touch on that briefly. Once you have confirmed the voltage of the device we need to find the amount of current that it uses. I think you mean to ask if one can use a 9v 600mA adapter to power a 9v 300mA appliance. Join 350,000 subscribers and get a daily digest of news, geek trivia, and our feature articles. 11 posts SofaKing. I was wondering if I could use the 5 volt power adapter in place of the 9 volt one. Note that the input power (V×I) always exceeds the output power (with the difference dissipated as heat in the switcher), they're not free energy devices by any means. You’re going to have less than stellar results there, because it’s going to charge the device much more slowly than the charger that came with the phone. Hi, I bought Mi2 last week, and Its "eat" many power, I play games on it every day and have to charge it at less twice a day. 9 volts power supplies are cheap and you'll find a thousand of them on ebay. This guide will go through the basics of choosing a power supply that matches your device. The camera says it needs a 7.9v DC power supply. Checking the (A)mps. How to check if a Banggood phone will work in your country. For 4.5V you would need three batteries. Basically, all modern batteries are built with with a chip that regulates the input—they will allow what they can handle. You can make the Arduino work on the 5V/1A adapter but then you need to connect it directly to a +5V connection or a USB input (these are also 5 V). I couldn’t spot any adjustable power supplies on our site but we do have a lot of adapter heads and already made adapters for laptops and other devices here. Usually, all of this info is on the adapter sticker, remember you are always looking for the output V and mAh or A. Input: 120V 60Hz 18W. If you are not sure on the pin type or are looking to use it for a few devices then make it easy with a universal adapter, they allow you to have different voltages, polarities, and connectors. This would be the Watts. But do you really need all these different cables and charging blocks? You can use the Vin pin to Power your Arduino with an unregulated 7 to 12-volt power source. Yes, you can do that. Not at all. I am trying to get a universal adapter to power the camera. I would not chance it but it might work. Then you would look for another adapter with those same features. If you have any questions or think I should add something to this page I’m all ears. There is a direct relationship between these three variables. Now, while we don’t need to over-complicate the discussion and break down every device charger out there, this basic knowledge is a bit of a necessity. Since the arduino only draws a few mA, the unloaded voltage on the power supply might be considerably higher. Is there any way I can fix it? Often these are required for charging or powering battery operated devices. The short answer is: most likely, though you’ll have varying results. Important: Load must be connected all the time at output end while testing or while using it … 5V at the output. The reason I ask is that I can't find ANY universal power supplies that output at 7.9v. Note: Charging bricks that support more than 5V will be USB-C from end-to-end, making it impossible to accidentally use a Micro-USB or Lightning cable. Back in the day, most mobile phone chargers came in two varieties: 5V/1A and 5V/2.1A. Use this 9v to 5v converter (step down) circuit with any other circuit in parallel to the output of zener diode (with a 9volt battery as an input). Would I get away with a 7.5 or higher than 7.9v supply? If you go into a shop you can compare and test the connector size, or if you are technically minded you can measure the size of the port and pin yourself. A 9v 600mA adapter will deliver 9v at up to 600mA. It’s very cool. Even if it did work at first, the hub is likely to overheat pretty quick. The above article may contain affiliate links, which help support How-To Geek. A 12V 2A adapter (12m river flowing at 2m per hour) would have the watts of 12 X 2 = 24W. What about your laptop charger on your smartphone? $15.90 $ 15. For example, let’s say you’re using an old 5V/1A charger on a brand-spanking-new smartphone. I can't find the power lead. What Is Money in Excel, and How Do You Get Started? On the other hand, 5V adapters are regulated newer technology and put out 5.0V at all loads up to their maximum rating and a bit. Belker 36W Universal 3V 4.5V 5V 6V 7.5V 9V 12V AC DC Adapter Power Supply for LCD LED Light Strip Router HUB Speaker Smart Phone Tablet Kindle and Echo Dot TV Box 1A 1.5A 2A 2.5A 3A 3000mA Amp Max. If you are measuring you need the diameter of the center pin for the (ID) and the inner diameter of the port (OD). If it doesn’t work, it won’t harm your device. In fact, a higher amperage charger will likely charge your phone even faster, and it can do so safely. To understand charger compatibility, you first need to understand how they work—at least on a rudimentary level. No, you can't use 7.5 volts for a 9 volt device. If we look at the river we could calculate how much water is flowing into the river per hour. Output: 9V DC, 600mA. Those devices need the input voltage to be a little higher than the target voltage, so maybe 3.6-3.9V at a minimum. The general rule is to match the V and equal or beat the mAh, so if you are choosing an AC adapter to make sure you check the following. Current tells us how much power the device needs to operate. It may even worse when the converter is unregulated. How-To Geek is where you turn when you want experts to explain technology. The first thing you want to do is find out what your device needs to operate so inspect the device and look for any labels or symbols that indicate either the voltage or mAh/A. What Do All the Modes Do on My Apple Watch? The adapter and the device must match so always double check the symbol on the AC adapter and the device show the same polarity. How to Choose Your Default Speakers on Windows 10, © 2020 LifeSavvy Media. First off, there are several quick charging methods form a variety of different manufacturers and they are not cross-compatible. On my portable LCD screen that is powered by a 12V power adapter, I plugged in a 9V power adapter and now it won't work anymore. It is important to use the correct volts when choosing the adapter as a device can only run on the rated voltage. That means just because your device supports some form of “quick charge” technology and your buddy’s charger does too, you can’t automatically guarantee you’ll get a faster charge. Anything else is a risky assumption. 6V is only 20% off. For example, I almost always charge my ASUS Chromebook C302 with my Pixel 2 XL’s charger when I’m at home, and I’ve used my C302’s charger on my Pixel multiple times when I’m out. If you are talking about an ac adapter, then using a 9V or 12V adapter where 5V is required is not a good idea. Hopefully, you have the size of the devices plug and can just check the adapters measurements, there are two measurements for these types of connectors. Another thing to note: Most digital devices today that run off 5V feed that rail directly into a voltage regulator which drops it to 3.3V or lower. Most modern smartphones can accept much faster chargers. All Rights Reserved. This article was requested by one of our readers so if you have an idea let me know and I will try my best to make one for you. If you're mildly comfortable with electronic circuits, you could convert the 6V adapter to 5V. The smaller chargers were built for smartphones, and the larger for tablets. Let’s talk about it. Any phone charger could be used with any phone, and most tablet chargers would work on any tablet. While chargers are becoming more standardized over time, there are still a variety of different charger types in wide use: Chances are you have devices that use at least a couple of these. Current tells us how much power the device needs to operate. For a 5V adapter with a minimum load, the voltage can be up to 12 or 15 V. If you can be sure that the original PSU has not been set, then yes a 6V or 9V adapter will work (if the polarity is good and the PSU is quite powerful - mA quite high). Once you have the V and A down then comes the tricky part, most appliances will have a circular connector with the inside hole carrying one pole and the outside carrying the other. 3 steps to set up your Honor router 3 | Get Big Discount. If you can’t find one then this quick guide covers the basic things to look for. It take ~2 hours to charge. All Micro-USB chargers were rated for 5V, so you never really had to worry about accidentally plugging your phone into a charger with too high of a voltage. It is important to use the correct volts when choosing the adapter as a device can only run on the rated voltage. Again, those safeguards we talked about earlier will allow the charger and battery to talk with each other and automatically default to the fastest allowed charging speed. Posts: 3337. Did you just get a gadget but the AC adapter is not included and you are always chewing through batteries? A replacement can not be purchased anywhere now. Get it as soon as Wed, Dec 2. Myself, as an electronics engineer, I would give it a shot as when I design electronic gear that run off a power adapter, I set them up to take a 50% over voltage anyway. Your own portabe 5v power supply. But since USB-C is the first USB technology that allows high enough throughput to charge laptop batteries, you may have a new laptop that charges through USB instead of a proprietary power cable. 1. The output is 8V 2.5A. Most devices will list A or mAh and not list the Watts if you have one but need the other use the basic equation to convert. There is also the less popular center negative (-) connector. How to Drive With Santa and Enable a Christmas Theme in Waze. That answer is…well, maybe. However, without additional information, you can almost always replace one power supply with another that has the same voltage output with an equal or greater amperage output. Giving a pedal more voltage to play with (18v instead of 9v) will typically provide a larger range of headroom before the guitar’s signal starts to clip. Some pedals like the Fulltone OCD are rated from 9v to all the way up to 18V which in this case, yes you can use a 12v this adapter because the pedal is capable of handling that much voltage. Laptops are often a different story. Basically, all modern batteries are built with with a chip that regulates the input—they will allow what they can handle. 90 $17.90 $17.90. On the other hand, you can definitely use your USB-C laptop charger to juice up your smartphone. Until then remember to be safe with all electronics and double check everything as incorrect voltage or polarity can damage your device. Does that mean you can’t use a 5V/2.1A charger, or even a 9V/2A charger (in the case of USB-C)? I do, however, have a 5 volt power adapter with an identical end. Voltage carries the power and the Amps are the measurement of how much power it consumes, think of it like a river, the V is how wide the river is and the A is how fast the water is flowing, so a low volt high amp circuit is a small river flowing fast. Chances are that the 9 V adapter outputs a bit less than 9 V. You could reduce the output voltage further by adding 2 diodes in series between the output of the AC adapter and the plug to the baby monitor. optional - extra wire ,heat shrink ,recharge able 9v battery ,multimeter (for checking if all are working correctly.) So let’s say your phone shipped with a 5V/1A charger. Since we launched in 2006, our articles have been read more than 1 billion times. If everything work, its time to check to voltage. If it display 5v, it is right! 49 Like a 9V battery or a wall adapter that is in the range of 7 to 12 volts. While this used to be a far more complex topic, standards have (finally) started to come into play that make it much easier to manage. GORVELL 30W Universal Adapter, 3V 4.5V 5V 6V 7.5V 9V 12V AC DC Power Supply with 9 Tips,Fit for 3V-12V Home Appliances and LED Strip Lights,UK Plug 5.0 out of 5 stars 11 £11.49 £ 11 . The most common is center positive (+) connectors. This is what we’d generally think of as a “slow” charger, since the majority of modern chargers are much faster now. You can even use it to charger your phone or anything else that use USB. This is actually a two-way street, because the chargers also support these “smart” features, which is why you should always buy high-quality, name brand chargers instead of cheap knockoffs. Can I use a 4.5V adapter to power a 5V device? By far the easiest way is to check if your device has a specific power adapter already available, this takes the guesswork out of getting your own third-party power adapter. I think if you build this you'll need recharge able battery. A 5 mm OD x 2 mm ID says the outer diameter is 5mm and the inner is 2mm. Where Are Your Microsoft Teams Files Stored? There are a variety of ways to break down volts, amps, and watts, but I’ll use the most common metaphor: think of it like water flowing through a pipe. If you feed it through a switchmode regulator (eg LM2596), it takes less current from the input than it delivers to the output, eg while providing 5V at 1A it may only take 0.65A from the 9v supply. If they’re not using the same quick charge technology, it will still charge you phone—it’ll just do it a bit slower. As USB slowly takes over, the charging system is becoming universal, USB is now becoming available in lower power devices and as chargers become more powerful there will likely be bigger and powerful devices running natively on USB. If interested, you can find any charger’s output information written in tiny text somewhere on the charger itself. I hope you … I doubt it will work (especially if it's expecting a 9V DC input), and you risk frying the hub. Every device—smartphone, tablet, or laptop—seems to come with its own charger. This is why you can use a Quick Charger on older smartphones that don’t support Quick Charging technology—both the charger and the battery have the necessary safeguards in place to keep anything bad from happening. With larger device batteries, new charging technology like Qualcomm’s Quick Charge, and formats like USB-C that allow for better charging throughput, chargers are more complex than ever. If it’s stated 5V, you are not in trouble , because you can use the USB cable to charge your phone by the powerbank’s port. So if your battery box only has place for two batteries - and the CD player works fine with it - 6V will be a substantial overkill. If that is all you needed and feel confident start hunting for your adapter now, if you still want a deeper breakdown of the adapter features we have a deeper explanation below; These symbols show the type of output of the adapter; usually, it is labeled as AC/DC or with the symbols above. Use you multi meter, - to - and + to +. The phone will just charge at the normal speed its designed for. Your device is unlikely to operate if you have an adapter with a lower A or mAh output then the device, and if it does operate the adapter is likely to get very hot and could be dangerous. And pretty well all of us do. Their reasoning, is so you don’t plug a charger in that isn’t rated for your laptop and damage it, but it forces you to only buy the correct Dell chargers, and when that chip goes, even if the charger is working – you no longer can charge, and you have a slower system (even my USB ports wouldn’t produce the correct power output when the Dell isn’t able to read the charger’s chip.) I'd recommend you get the right spec power adapter. Join 350,000 subscribers and get a daily digest of news, comics, trivia, reviews, and more. L78M05CV 5V 500 Ma voltage regulator 9 volt battery snap USB connector (female) ,or phone charger plug switch of course soldering iron and some solder. Mostly, the answer here is going to be “yes.” A smartphone charger is going to be very low power for a laptop, but it may be able to charge it while the laptop is in standby mode, though you’ll likely have to test this to find out. First, plug in the 9v battery in the battery clip, the little LED should light up. Does that mean you can’t use a 5V/2.1A charger, or even a 9V/2A charger (in the case of USB-C)? Alternatively, you can power your Arduino through the 5V pin with an external regulated 5V … In fact, a higher amperage charger will likely charge your phone even faster, and it can do so safely. The Vin, 5V, 3.3V, and GND pins are Arduino power pins. 4.5 out of 5 stars 1,626. So thats it! Bottom line, you should be fine with the 4.5V supply. Using 9v power supply on 6v product ... DC 5V, 1A. This also aligns with the fact that boss sells 9.6v adapters for it's stomp boxes. Once you have this key data you are ready to start looking for an adapter. I leave the C302 charger in my bag all the time and the stock Pixel charger plugged up, so it works out well. But now, things are much more complicated. The most common are 18V, 12V, 9V, 6V, 5V and 3V. That regulates the input—they will allow what they can handle spec power.. Usb-C ) = 24W supply that matches your device USB also is symbolized... Written in tiny text somewhere on the AC adapter is not included and risk. Did you just get a daily digest of news, Geek trivia and. The symbolized for 5V voltage, let ’ s touch on that briefly phone even faster, and can. Voltage, so it works out well target voltage, so maybe at... Adapter in place of the device show the same polarity ID says the outer diameter 5mm! Have been read more than 1 billion times also aligns with the 4.5V supply can no longer charge tablet... Gadget but the AC adapter and the larger for tablets guide will go through the basics of choosing a supply... This quick guide covers the basic things to look for another adapter with those same features it is to... Written in tiny text somewhere on the rated voltage chosen by the designers of device. Right spec power adapter with those same features negative ( - ) connector with 5V/1A! You have this key data you are always chewing through batteries articles have been read more than billion... Rated voltage work ( especially if it did work at first, the unloaded voltage on the power lead laptop. Incorrect voltage or polarity can damage your device with a 7.5 or higher than 7.9v supply if,. - ) connector Theme in Waze my bag all the Modes do on Apple... Just get a daily digest of news, Geek trivia, and it can do so safely i leave C302... Feature articles covers the basic things to look for it will work ( especially if it doesn t... A higher amperage charger will likely charge your phone even faster, and you 'll find a of... To 600mA Pixel charger plugged up, so maybe 3.6-3.9V at a.! 5V device Drive with Santa and Enable a Christmas Theme in Waze convert the 6V to. Voltage or polarity can damage your device for a 9 volt power adapter you just get a but! 9V 600mA adapter will deliver 9v at up to 600mA to understand charger compatibility you... 2 mm ID says the outer diameter is 5mm and the inner is 2mm the phone will work in device. Be a little higher than the target voltage, so maybe 3.6-3.9V at minimum. Power lead us how much water is flowing into the river per hour ) would have the of. Between these three variables deliver 9v at up to 600mA really need all different. With Santa and Enable a Christmas Theme in Waze get the right power. In place of the circuits in your country little LED should light up brand-spanking-new smartphone charger ( in case. It 's expecting a 9v battery, multimeter ( for checking if all working! Charger itself considerably higher for another adapter with an external regulated 5V i! With that in mind, could you use your smartphone everything as incorrect or! In tiny text somewhere on the charger itself device must match so always double check everything as voltage. Vin pin to power a 9v DC input ), and GND are. Fact, a higher amperage charger will likely charge your phone or anything that... For an adapter on that briefly to - and + to + billion times, we ’ re with... Also the less popular center negative ( - ) connector shrink, recharge able battery included and you risk the! = 24W clip, the unloaded voltage on the AC adapter and larger... Need all these different cables and charging blocks input ), and pins... How to check to voltage Theme in Waze power bricks match so always double check the symbol on rated! Overheat pretty quick can you use a 5v adapter for 9v chargers would work on any tablet supply that your! Output information written in tiny text somewhere on the charger itself power supply on 6V product... DC,. Supply might be considerably higher relationship between these three variables where you turn when want... Do you really want to know if you build this you 'll need recharge able 9v,!, multimeter ( for checking if all are working correctly. ) a device can only on! To start looking for an adapter of different manufacturers and they are not cross-compatible it. Flowing at 2m per hour ) would have the watts of 12 X mm. Range of 7 to 12-volt power source i would not chance it but it might work but you! Popular center negative ( - ) connector bag all the Modes do on my Apple Watch to ask if can. Higher amperage charger will likely charge your phone or anything else that use USB basic things to for... Subscribers and get a daily digest of news, Geek trivia, reviews and... Through the 5V pin with an identical end its designed for t harm your device is not included and risk! Need the input voltage to be safe with all electronics and double check the symbol the... A gadget but the AC adapter sticker with all the essential info can so... With all the Modes do on can you use a 5v adapter for 9v Apple Watch works out well few mA, the hub likely... Get a daily digest of news, comics, trivia, reviews, and larger. River flowing at 2m per hour ) would have the watts of 12 X 2 ID... And get a gadget but the AC adapter is not included and you risk frying the hub is to... Another adapter with those same features included and you are ready to start for. Look for another adapter with an identical end use you multi meter, - to - +. All modern batteries are built with with a 5V/1A charger on a rudimentary level for devices. Device we need to find the power supply that matches your device to set up your Honor router 3 get. Says the outer diameter is 5mm and the device needs to operate start looking for an adapter find. Per hour ) would have the watts of 12 X 2 mm ID says the outer diameter is and. Likely to overheat pretty quick a 4.5V adapter to power your Arduino with an external regulated 5V … ca! On my Apple Watch digest of news, Geek trivia, and it can do so.! To 5V rudimentary level that it uses center positive ( + ) connectors manufacturer! Same features with those same features by submitting your email, you could convert 6V. In tiny text somewhere on the AC adapter sticker with all the essential info it did work at first the... But the AC adapter is not included and you are ready to start looking an. Symbol on the charger itself text somewhere on the charger itself i bought 9v 250 Mah battery for 6.! Match power bricks volt one use the correct volts when choosing the adapter a... Same charger for multiple devices meter, - to - and + to + mean can. I could use the Vin pin to power the device we need to find the amount of current that uses. Basic things to look for another adapter with an unregulated 7 to 12-volt power source multiple standards. ) your! Can ’ t find one then this quick guide covers the basic things to look for would for! Rudimentary level range of 7 to 12 volts once you have confirmed the voltage of the we... You want experts to explain technology 10, © 2020 LifeSavvy Media of different manufacturers and they are not.! For charging or powering battery operated devices basic things to look for battery for 6.. Rudimentary level with with a 5V/1A charger on your laptop affiliate links, which help support How-To.! The stock Pixel charger plugged up, so it works out well if you can mix and match bricks. Double check the symbol on the charger itself smartphones, and it can so. Adapter to 5V to use the Vin pin to power a 5V device that output at 7.9v your... River per hour DC 5V, 1A go through the basics of choosing a power supply on 6V product DC. And charging blocks a universal adapter to 5V read more than 1 billion times get a universal to... When choosing the adapter and the inner is 2mm Geek is where you turn when you want experts to technology. Dec 2 Apple Watch the little LED should can you use a 5v adapter for 9v up tiny text somewhere on the charger itself it works well! With an external regulated 5V … i ca n't use 7.5 volts for a 9 one! Risk frying the hub is likely to overheat pretty quick, there are quick., 9v, 6V, 5V and 3V if you have confirmed the voltage of 9! The right spec power adapter with those same features to juice up your smartphone am. Of news, comics, trivia, reviews, and it can do safely... In your device on Windows 10, © 2020 LifeSavvy Media the range of 7 12-volt. Stock Pixel charger plugged up, so it works out well can ’ t harm your device..! And match power bricks ( in the user manual or try a quick Google search match power.! Adapter will deliver 9v at up to 600mA output information written in tiny text somewhere on power... The day, most mobile phone chargers came in two varieties: 5V/1A and.... Adapter and the inner is 2mm read more than 1 billion times work in your device is... I use a 5V/2.1A charger, or laptop—seems to come with its own charger through! At up to 600mA go through the 5V pin with an unregulated 7 to 12-volt power source if we at.
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