One question: Would charging a Lithium battery with a higher amperage charger (but same voltage) cause any damage to the battery? understanding uniformly distributed success probability. In case mobile charger of higher Ampere is used, than recommended, the mobile will get charged but after some days, the mobile battery gets swollen. rev 2021.4.23.39140. To learn more, see our tips on writing great answers. What charger for a 13s10p Li-ion battery pack? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The Loop: Our Community & Public Platform Roadmap for Q2 2021, Can i use a high ampere battery power bank than my tab's actual input. The higher the charge output, the faster a flat battery is recharged. Basically, all modern batteries are built with with a chip that regulates the input—they will allow what they can handle. Some folks prefer lightning-fast charging and would rather use more amps. Why is Dell D620 SMP battery not charging? But not to 10%. If you get a charger with amperage less than your original power supply, you risk overheating your charger, burning it and in many case your device will stop functioning and/or charging. Charging scooter with higher amperage. And the myth that charging your device at a faster rate will reduce the life of your device’s battery is false. I've just bought a portable battery, but the portable battery don't comes with an adapter for the house current; it only comes with a USB cable so I can charge it with my laptop. ... losses can vary depending on amperage of charging system, quality of EVSE charging cord and numerous other variables. standard charging it would charge the battery to quickly causing Charging scooter with higher amperage. As a bonus you will have a benefit of faster charging the battery when playing, as someone rightfully replied to you on Amazon, except the "ballooning" part. When you buy, for example, a gaming computer you will notice PSU (power supply unit) options exist which run way above and beyond the requirements of anything you could ever likely get inside the case. BatteryStuff Tech Ideal charging amperage for both the charger and the battery is about 10% of the battery’s Amp/Hr rating. It is useful to use higher PSUs when, for example, you might decide to upgrade your components at a later date. Why does the B-29 have eight oil needles? So I guess it is safe enough. It is also necessary to upgrade the ground side as well. The Stuffcool Vite Type-C cable can handle an output … What's the name of the novel where a time traveler with epilepsy assumes the role of Jesus? Is the efficiency of (Qi) wireless charging affected by a metal surface? But there can be problems with your laptop battery life. What is the purpose of budgeting if all I need to do is look at my bank/credit card statement? Can you confirm the specs concerning your case. For some older devices, the higher specced charger just won’t work at all, while newer devices will just charge faster. @Itay080, QC uses a voltage level protocol on USB D+/D- wires for initial "handshake", and then the voltage-level request from a device. Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. Connect and share knowledge within a single location that is structured and easy to search. Feasibility of foot launched projectile weapons, Term for neologisms created to distinguish between new and old technologies. Can I trust a repo I am unfamiliar with to provide me a secure PHP 8.0 package? Super User is a question and answer site for computer enthusiasts and power users. Speaking from personal experience, I've had no problems charging my phone (which only draws 700 mA) with my Kindle charger (850 mA) or my iPad charger (2.1 A). I guess the coloumb counting monitor in iPhone might need a better software, Apple is not above the law of labor outsourcing :-(. Choosing power supply, how to get the voltage and current ratings? Can I use a charger with different current than the original? 10. Diane C. Lord. Lower power output when charging devices, is that ok? It would also lead to battery expansion (ballooning). Does Quick Charge have an effect on battery lifespan? The statement " Thus, the device will only draw as much current as it needs and no more. " You have multiple options because many come with a range of settings –starting at 2 amps all the way to 10 amps- with some often having higher settings. If this schema was not robust enough, Qualcomm would have serious liabilities in this world. A power supply (what you're calling the "charger") rated for 1A can only provide up to 1A and still operate within spec. I have a PS Vita I wish to charge with my Samsung Galaxy charger, its output is 9.0V = 1.57A which is for fast charging (correct me if I'm wrong) and thus won't handshake with the Vita so won't supply this power (again, correct me if I'm wrong) or 5.0V = 2.0A overheating and decreased life span for the battery. We recommend higher amperage to ensure cooler power supply and optimal charge time. First, some background. Putting in batteries that are of a higher amperage than recommended can shorten battery life because the charger doesn’t supply enough amps to … Use a higher-amp car charger. 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 your new pieces require more power than their counterparts they will simply take more in. I charged my iPhone with a tablet charger and my battery life dropped to about 10% of what it should be. @niico correct - the iPhone will only draw the amount of current it needs (1 amp in the case of an iPhone). With the engine running at 2000 rpm, we used a Sun voltage-amperage-tester (VAT-40) to load the charging system to 12-volts. Yes, it is absolutely safe to charge a device with a charger that has more current capacity than needed. I don't think anything I run these days has the right power supply. Fast charging won't damage your battery A conventional charger has an output of 5 to 10 watts. As long as the car’s charge can accept the higher flow (and an i3 will – the 2015 is rated at 7.4 kW on a 32 amp level-2 charger), you’ll be able to charge faster. Regular phone. The loads imposed on your battery may be gauged from the amount of current used by the various electrical components: headlights take about 8 to 10 amps, a heated rear window about the same. "all internal charger circuits have strict limits on how do they charge their internal battery" That's a good feature, someone should tell Apple. The USB charging circuit is often set to 5 V 0.5 A, Phones in examples: Oneplus 2, ... Tools to study volt and ampere which your phone is charging: Ampere. Your laptop can only draw so much power, and it won’t exceed its power requirements if the charger can deliver a higher wattage. While I appreciate that Tesla needs to segment features I am surprised to see a software feature (unlike hardware features like the air suspension) get cut as an option. Reply. The mobile device determines how many Amperes it draws from the charger. When will 2021 UK census results be published? Latest Changes - High Amperage Charging My understanding is that the High Amperage Charging option got cut from the 75D and 90D models with the April 2017 update. Is Iran considered a democracy by the Western world? One of the problems it can detect would be higher than expected voltage drop when charging starts. It only takes a minute to sign up. Is it safe to use the 5v/2A charger on a device with 1.5A max input. I reset my laptop and now Steam games are all missing. Use MathJax to format equations. Only problem I have to order from china, nobody sells them near by or on the internet. When you use very high amps, like jumping a car battery, the plates saturate with amps and the over amperage comes straight thru to the dead car battery. Many people think that it means it will only put out that current, but current is drawn not pushed, and an electrical device will draw as much as it needs. Posted by 2 years ago. Above Right: Before the installation of the Powermaster alternator, we tested the charging system’s output. ... (a higher … What is a word/expression for useless advice? Connect and share knowledge within a single location that is structured and easy to search. A better one, with protection will reduce its output voltage to keep the current constant, in which case, due to the reduced voltage, your device won't charge much faster than in the first case. In fact, a higher amperage charger will likely charge your phone even faster, and it can do so safely. Will the output only give the quantity that the input is requesting, or will the input overheat because it cannot handle all the current it receives? If the device is happy with 1 A, then it draws only 1 A even if the charger is able to supply more. Why did the L1011's direct lift control help make good landings? Box in align/array environment -simple way? This is 10A. Using a higher amperage alternator, you need to upgrade the charge cable to handle the higher current that will be passing through or the power will be restricted. So if your single phase wall socket is protected with B13 fuse or any higher amperage – there is no problem to drain 10A = about 2,2 kW of power. Is it ok to use an old phone as an universal battery charger? 9V 3A 5V 2A ? I'm no longer a fan of the quick charge. @Edza Please, see the body. Charger output: 5V, 2A. These are the specifications: Battery input: 5V, 1A Why does the B-29 have eight oil needles? The regular charger for the Fat PSVITA supplies 5V = 1000mA and the regular charger for the Slim PSVITA supplies 5V = 1500mA. I think they mean: for the 240V, if your electrical source can only supply 48A and below, the faster charging rates are not any faster than a standard issued 48A charger even if you pay $1,000 extra for the higher amperage 72A charger. This ohm law is wrong application for a battery under charged, the battery is not a resistance device, but a capacitance device instead, so if the charger supplies 2 Amp the phone battery will accept 2 Amp charging current as this ohm law: P = IxV , V = 5V constance so current I will change if the charger power is higher than the device require. (iPhone 6 and above can now draw 2A - apparently - like iPads). By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Hi-amp supply will charge the battery quickly, and that may reduce the battery life. Can I charge a simple Nokia phone which has USB input (5V=450mA) with a 5V=2A/7V=1.8A/9V=1.8A/12V=1.3A supply? Now, adding a bit of info to this, if my phone can 'load' up to 2A and my charger ouput is 1A, will only give 1A or will overheat? Yes, the higher the mA the more juice can be drawn from it. Is there a way to make a 2009 MacBook (A1342) boot from USB? Shouldn't these cases be no? What is the AWG of the wires from the 200A panel to subpanel and HPWC? Close. lead to battery expansion (ballooning). In case mobile charger of higher Ampere is used, than recommended, the mobile will get charged but after some days, the mobile battery gets swollen. In default mode it will serve as a regular 5-V/2-A power supply. Let us assume the charger is a source of water and the battery is a water storage tank, the amperage is the force of the water pump while the cables are the pipe that channel the water from the source to the tank. You actually want an adapter that has as much, or more, current capacity than the device you're trying to power. Thanks for clearing that up :) I now feel way safer using my Galaxy charger with my PS Vita. Is an HP power adapter 19.5 v 3.33 safe replacement for 19.5 v 2.31A. To choose the right charger for the right device increases the rate of charging, increases the lifespan of the device and decreases the risk of burn. Thus, the charger charge faster with a higher amperage. Did Abner Schoenwetter spent 6.5 years in jail because he used plastic bags instead of cardboard boxes when importing lobsters from Honduras? Have any public figures faced any consequences for breaking pandemic rules, especially their own? is OK from his experience, nothing happen to his device because only more heat generate when charging with more power charger and the time also cut off, but heat will degrade your battery in the long run. At moderate levels of overload the result is likely only the voltage "sagging". But at more excessive overloads the power supply may overheat and may be damaged. Finding all intersection point between two time series, Battlefield Tactics for eleven pixies carrying a machine gun. Pythagorean triplets generated in a unique way. Thanks for contributing an answer to Electrical Engineering Stack Exchange! A typical modern ATX supply of 450W can deliver 30amps at 12V. No-good cuts for general integer variables, Make rainbow-coloured bullets to show points. It can be kind of complicated and confusing if you’re not familiar with how a 1050 mAh x 80% / 550 mA + (2 to 3) hours to fully charge =~~ 3.5 to 4.5 hours Archived. The car automatically drops amperage if it "thinks" there is a problem with the power supply. I’m looking at +300mA … Exercises where try to answer the question marks, [new table here where device has Snapdragon 810 or 820, since the situation will be little different in dynamic configurations], For most USB chargeable smartphones the battery voltage is irrelevant. These chargers work the same way the internal power of a desktop computer would work. I will assume a desktop ATX. Why Korean transcriptions of Japanese words uses the letters ㄱ,ㄷ,ㅈ for initial /k/, /t/, /tɕ/ while using ㅋ,ㅌ,ㅊ for other languages? What distribution do OLS estimators follow when dependent variable is not normally distributed? Dealing with unpleasant people in conferences. Fast charging, however, is undesirable as it can buckle the battery plates . Is your phone 5V? @Misunderstood, yes, quick charge (aka "fast charge mode") does lead to a slightly less capacity and lesser useful charge-discharge cycles. MathJax reference. If yes, then fine to charge with the charger the phone. What would happen if I charged my phone with a 5V 1A or 5V 3A battery charger? Duplicates in "n × hamming weight of n" sequence. For … Has anyone tried charging a scooter with more than 2 amps? I tried it the other day with 4 amps and it seemed to work just fine, cuts the charging time in half. My cable is rated at 15W, and am about to buy a 3 A power adaptor. The PSV has the capacity to play while charging which normally just makes the device charge more Using a higher capacity would mitagate this a bit, but for So a 3 Amp 5V charger would be fine for a phone that charges fine with 2.1 Amps, because of Ohms Law? “Ultimately, it’s really the amperage that determines how fast a charger will supply power to your device. 5V 3A 3.8V 1.3A Yes 9V 3A 3.8V 1.3A ? The answer is yes, but you need to make sure that the charger meets other requirements, including voltage and polarity. What's the name of the novel where a time traveler with epilepsy assumes the role of Jesus? Can the use of the Crusher feat enable a Sling to force 5 feet of movement on a hit target? The Loop: Our Community & Public Platform Roadmap for Q2 2021. how to modify a taper charger of lead-acid batteries to be a constant current charger? Since your PSV is designed to work with 5V/1500mA power input, it will work just fine with more powerful (2000mA) adapter. Batteries Spike in Watts and Amps Pulled with less than 50% Life, Charging battery with external charger while powering load. If you have a modern USB device, you should be able to plug into a high-amperage USB port and enjoy faster charging. Buying a new laptop adapter: what specifications? HP 4530s laptop works with power cord but won't charge battery. is not correct in this case even though the statement " Speaking from personal experience, I've had no problems charging my phone (which only draws 700 mA) with my Kindle charger (850 mA) or my iPad charger (2.1 A)." I posted a question on Amazon asking if I could charge the PSVita with a Samsung Galaxy charger because as far as I know it would only supply the amperage the system asks for and someone replied saying this: This is only partially accurate. Charger of less output ampere than device? burn risk - drawing more current from the cable which it supports is always a burn risk, feel the charger with your hand; if it is very hot, reject; overheating will happen; since most chargers do not have protections besides the covering, the seller cannot recommend combinations with. As a rough guesstimate, I would expect a 550 mA charger to take about. Charge with a USB 3.0. Clearly it is done by the components which require power. From what I can gather, the Samsung’s Adaptive Fast Charging is a sort of Quick Charge 2.0, and therefore requires a QC-type "negotiation" to output potentially damaging 9-V charging level. Stuffcool Vite 5A USB Type-C to USB-A Cable. slowly. In other words, to get the full benefit of a 40-amp charging—and ensure safety—you will need a 50-amp circuit. You need a bit higher, like 13.8V to be safe; for quick charging during a few hours … The same rule applies to car chargers. Using a higher capacity would mitagate this a bit, but for standard charging it would charge the battery to quickly causing overheating and decreased life span for the battery. There is always a risk of burn, but it can be minimized by many methods. The concern about charging the battery "too quickly" is grossly unfounded for such a reputable manufacturer as Sony: all internal charger circuits have strict limits on how do they charge their internal battery, and this current will never increase under any input conditions. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Can I use Lenovo Type-C charger (20V) with Macbook Pro 2019 (20.3V)? If your phone tries to pull much more than that it will excessively load the power supply. Be careful, however, because using the fast charging options (anything above 10-amps) can damage the battery. Obviously if the PSU controlled how much power was taken in by a component you would fry most systems fairly quickly. Let's hope EU makes the things easier for us later by providing equal competition for EU and China. Is there a way to force a reroll on a saving throw? 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. The AGM’s voltage is slightly higher than a conventional lead-acid battery voltage potential of 12.60-volts. The best answers are voted up and rise to the top, Electrical Engineering Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. As far as I know, If you use a high amperage power supply with same voltage rating, the laptop will be working fine. He had me worried a little bit, but as far as I know and according to other sources online as long as the amperage of the charger is higher than the amperage the device needs and not lower it should be perfectly fine, but maybe he is still right and charging it with a Galaxy charger would make the battery expand, overheat and have a decreased lifespan? The main caveat is that if your sound system really does require that much amperage, there are a few modifications that you need to make before installing a high amp alternator that's really that big, but they’re more to prevent power and ground cables from burning up than to protect the sort of delicate electronics that keep your car going. Why is the mid-deck on the Space Shuttle named as it is? To ensure a faster charging experience, try using a Quick Charge 3.0 car charger or a 4.0A dual-port car charger. It would also Order from Amazon, Ebay and/or China. Charging power is based on three things: power (P, measured in Watts), current (I, measured in amps or milliamps), and voltage (V, measured in volts). C is the capacity of the battery. Can you charge any device with Mini-B USB receptacle from any charger with Mini-B USB plug? The effect of … Check the charger’s wattage or amperage output before connecting it to your laptop. High-speed charging cables are capable of restoring a device’s battery significantly faster than traditional cables. Sorry, wrong answer. Divide 310 by 1000: 310÷1000=0.3ampshour or 0.3Ah. The phone's rating is 3.8 V 1300mA. Charging the battery in an external charger of 1050 or higher mA charge rate will increase the charge rate compared to using a 550 mA charger. How should I remove this corroded nut without rounding it? With a NiMH type rechargable battery, there's a simple formula to work out the charging time. Charging a device with higher amperage, can somebody please clear up the confusion and contradictory statements? Finding the bandwidth of second order lowpass filter. My mobile phone came with a charger, and I want to know if is safe to use that charger with the battery without problems, even though the output has a higher amperage. It only takes a minute to sign up. A faster charger can improve that by up to eight times. How do we know what the atmospheric pressure on Mars is? site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Making statements based on opinion; back them up with references or personal experience. rev 2021.4.23.39140. Ohm's law tells us the relation between current, voltage, and resistance: Since the voltage is held constant (5V), the only factor that determines current draw is the load (another term for resistance) the device places on the charger. Must observables be Hermitian only because we want real eigenvalues, or is more to that? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The problem with charging your car battery is that this 12V voltage is not high enough. So if I plug a 3.5A 5V USB charger into my iPhone (which comes with a 5V 1A charger - but Apple say can work with a 2A 5V iPad charger) - this will not damage the iPhone, right? Just to confirm, there's not a chance that my Adaptive Fast Charger will ever supply the 9V charging level to the Vita because it will never ask for it, right? Why do white supremacists use the term "Anglo Saxon values"? By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The factory charge cable and ground cables were designed to handle only as much amperage as the stock alternator could provide. Expanding on tapped-out's answer. @Edza Yes, the availability of electronics is a common problem in Europe. The voltage difference creates a risk of damaging the components. As I can see, if the resistance is reduced, it will carry more curent, so supposedly will carry more than 1A, right? Such current means that the fuse protecting the charging circuit is not B10 (10A fuse), but B13 – to avoid loading circuit to 100%. The best answers are voted up and rise to the top, Super User works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Can I use a charger with more output amperage than the device needs? The circuit needs to be 25% higher than the charging station being used. Asking for help, clarification, or responding to other answers. Thus, the device will only draw as much current as it needs and no more.
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