what happens when use a 5v 2a rated power adapter for a device rated 5v 1a

Is that safe? If use 12V Now, if you should unknowingly connect a device to a current source higher than necessary that has had a component start to fail and the resistance has lowered slightly, then the higher amount of current will flow. a quality wall plug will be current limited. I have a new tablet with a charger that reads 5v 2a, can I charge the tablet with my phone charger, which reads 5v 1a? Registered in England. I’ve read online that any phone can charge with either but will charge faster using the (5V 2A) so why do we even have the (5V 1A). Ano ang pinakamaliit na kontinente sa mundo? The voltage however must be an exact match for the device. if you are not lucky it may "over drive" and try to deliver the requested power and overheat and fail "less" safely (namely melt/burn etc..) not likely but not impossible. I accidentally-on-purpose used a 5V 2A adapter with a 12V 1A device and the device conked out on me. The smaller rated 1A charger is likely to overheat when used in this manner. Meaningful research in PhD with no publications. Does Jerry Seinfeld have Parkinson's disease? Another aspect to this is that most rechargeable batteries will be more reliable and have a longer life if charged slower than the maximum rate. Ano ang Imahinasyong guhit na naghahati sa daigdig sa magkaibang araw? Yes - what matters is the voltage - it has to be the same. If you feel that question could be better please edit it, but that question is there so that we dont have to answer this question with different numbers over and over and over. The voltage however must be an exact match for the device. Hell does the plug even fit? All rights reserved N.J. governor won't rule out issuing another lockdown, Donald Trump Jr. dismisses U.S. COVID deaths, Government confused Rousey's WWE arrest for a real one, Officer sues Breonna Taylor's boyfriend over distress, Girl Scouts criticized for celebrating Amy Coney Barrett, Insult to injury: Couples owe $3.7B for canceled weddings, Lori Loughlin begins prison sentence in college scandal, Philly cops shouldn't face murder charges, family says, Trump's adviser reveals 2nd-term immigration agenda, Packers legend Brett Favre endorses President Trump, AOC fires back at critics of her Vanity Fair photo shoot. 10% over/under voltage isn't unthinkable, but it's going to depend on a lot of factors that you won't be able to determine short of 'plug it in and see if it works'. Using the 5V 1A charger to operate a device that is normally charged with a 5V 2A charger is a bad idea. What anti-asteroid measures can we take now, or in the near future, if we faced an alien invasion? most of them have DC output ports (5V 1A) and (5V 2A), Why do we have this difference? So, if you "should" use a 4.5V/500mA power source, any power source of 4.5v … How did games like Doom offer free trials? Under the same voltage, if your device is rated at 2A, it will only take around 2A from a 3A output of the USB power supply, leaving a 1A of headroom. Can my Hobart scale be saved from "zero range error". It covers Unregulated Power Supplies pretty well and why the voltage varies so much. So, as long your device needs less power than the USB power supply can provide, no need to worry. They are almost certainly more regulated than the old stuff. That's a bit more important. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. What was packaged in their free trial software packages. If you’d like to join in, please sign in or register. © 2020 Condé Nast. I say should because there's always some exceptions such as poor quality (cheap) adapters and the likes that may not be up to code. If everything is normal, it works fine. All Rights Reserved. What is the time signature of the song Atin Cu Pung Singsing? Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. Read our affiliate link policy. In the worst case it could even catch fire so don't do this. Listen now for interviews with the biggest soap stars and all the latest spoilers - available on every major podcast app . Does it matter if you charge something that normally uses a 5v 1a charger with a 5v 2a charger? Well, yes a device requiring less than 2 A can charge off of the 2 A charger. @ChrisStratton The question is explaining what the ratings mean, not specifically calling out the rating. input voltage is strictly according to applications. So if that is 1A it will draw 1A whether you use a 2A or 2,000,000A charger. [duplicate]. The smaller rated 1A charger is likely to overheat when used in this manner. Aperture 3, OS X Mountain Lion (10.8.5) Posted on Dec 9, 2014 9:15 AM. It looks like it is rated for 65 watt so 19.5v or 19v should be fine so long as the amperes rating on the one you are looking at hits close to 65w (3.42a on 19v). I'd say it's worth a try. Generally speaking, slower is better as long as it will charge. Why can powerlines only be plugged in directly? Theoretically, if you don't mind blowing a few batteries up and can afford to replace them when they fail, you could recharge most batteries in a matter of minutes. This depends on the manufacturer of the adapter/charger. ©2020 Hearst UK is the trading name of the National Magazine Company Ltd, 30 Panton Street, Leicester Square, London, SW1Y 4AJ. In the previous paragrafh I said would because: As the supply is larger then the load it will run it. I bought what was advertised as a replacement AC adapter for a device that requires 7.5V and 2A, but the adapter I received is rated at 8V-10V and 1-2A output. Copyright © 2020 Multiply Media, LLC. Anyway I have a 4.5VDC 1000mA power adapter running an array of LEDs and I want to add more LEDS, but I can only find a 5VDC adapter with the increased load to replace it with and I was wondering if it would still be within range of the LEDs. Grandpa's weird clock. Can I close my money in HSA and transfer it to another bank account and use it for non-medical purpose? Ad Choices, Tribus: Somewhere between Marysville and Tumwater. What is the rising action of faith love and dr lazaro? Yes, both for an adapter and for a charger. Ano ang mga kasabihan sa sa aking kababata? A device will only draw the current it needs. is there a way to make my cds sound better? Details to follow>>>? It it's safe to use a 5V 1a wall plug with a 5V 2a device? Your question: It it's safe to use a 5V 1a wall plug with a 5V 2a device? I hope this helps to complete the picture for you about the debate, both are correct, but in the real world we all have to push the limits of safety against the practical needs we have. How long will the footprints on the moon last? Also, it used to be that power supplies were not regulated well. But, it is a procedure that could present a bigger hazard in cases where a device has partially failed. Very low likelihood of damaging anything by trying, though.Does the 4.5V adapter meet or exceed the amperage rating of the 'optional' one? How much does does a 100 dollar roblox gift card get you in robhx? The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. It'll work fine. input voltage is strictly according to applications. If the current draw was less, the voltage would be higher. Posted this on r/electronic_cigarette first. In the worst case it could even catch fire so don't do this. So you see, while it can be charged by a higher rated device, it is safer for there to be less current available should a component in the device being powered fail in this fashion. 4.5V will work for many USB devices, I know from experience. Did computer games for Commodore 64 really take "25 minutes" to load "if everything went alright"? What is the hink-pink for blue green moray? Ligatures in Times New Roman with LuaLaTeX. The device that the charger is plugged into determines the current drawn from the charger. If the current draw was less, the voltage would be higher.So your 4.5 VDC supply might be that at 1.6A, but at 1 A, it might be 5 volts. Press question mark to learn the rest of the keyboard shortcuts. cheaper or lower quality power supplies are not always well designed. There is something confusing me about the portable chargers, most of them have DC output ports (5V 1A) and (5V 2A), Why do we have this difference? Battery is an AWT 18650 rated at 3.7v, 3500 mAh and 35a, if that matters. Should I mention a discovery was made by mistake? More Less. longer distances for the cables, etc) if you use one.The package didn't include one but my RadioShack has a 4.5V (1600 mA) adapter for like $2. Yes, both for an adapter and for a charger. electronics.stackexchange.com/questions/34745/…. DIGITAL SPY, PART OF THE HEARST UK ENTERTAINMENT NETWORK. Is charger with USB C connector and 13V output in line with standards? Also, it used to be that power supplies were not regulated well. Depends... what amperage does the splitter need? Can you use a 12V DC adapter for 5V DC device? A subwoofer non magnetically shielded may be interfering with any other device like a turntable, cassette, reel to reel ? check it often for over heating (feel it if it gets warm might want to reconsider), New comments cannot be posted and votes cannot be cast. However, I'm using a 5V 1a wall plug with my AWT L1 charger, which is set at 1a even though the charger itself could go up to 2a. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. If you are talking about USB, then I think you are fairly safe. On a basic dvd player, how do you make a selection on the opening menu, without a remote? can I use a 5v 1a charger with a 5v 2a device? All Rights Reserved. The splitter works fine without one, but apparently works better (ie. Depended on the gauge of wire they used when winding the secondary and other losses.If the supply is a switching supply, then all bets are off. I have an LED sign that says that it takes "Class 2, 18VDC, 2A" from a wall adapter with "100-240VAC, 50-60HZ, 1.2A" I lost the adapter, and it's surprisingly difficult to buy a new one that matches those specs. If use 12V dc adapter power 5V dc device, the 5v dc device would be damaged. Your device will either charge slower or just drain the battery slower (if battery powered) or refuse to work (not … So if that is 1A it will draw 1A whether you use a 2A or 2,000,000A charger. I don’t know the specks of the LEDs and I don’t know why the original design called for 4.5V. Why are my sisters led strip light remote controlling my leds in another room? Introducing the Soap Scoop podcast! The problem is the difference between an adapter and a charger. I found this article over at SparkFun. Chargers limit the voltage so that it can keep supplying energy to a battery/cell. They're very stable on the output voltage and can kick out an amp or so. But, due to a process that happens with any electronic device, it will heat more than usual and that will lower the resistance still more. Why do the brakes "freeze" the suspension? Your California Privacy Rights | Do Not Sell My Personal Information I did find an old laptop power supply that has these ratings: Input: 100-240VAC, 50-60HZ, 1.2A Output:19V, 3.42A. This might belong in the A/V forum but the question is general enough that hopefully it's OK to post here.Anyways, I have an HDMI splitter that uses an optional 5V adapter. How is this practice viewed? Version Control For Salesforce — Branching Strategy, Why does the US death rate not "match" life expectancy. For example iPads only charge with the (5V 2A) but iPhone or most smartphones can charge with either but will charge faster with the (5V 2A), it just seems to me that there is no use of having the (5V 1A) when (5V 2A) can do the job faster. damaged. It only takes a minute to sign up. Trouble is they won't stay batteries for long that way, even the ones that don't explode, catch fire or just fry out slowly during the charge process. Certainly it is a bit more of a hazard where the device is left to charge unattended, in my opinion.

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