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Can i use a charger with lower amperage laptop. 4 amps. Each has different constraints. Jan 8, 2017 · The laptop might not need 9. The only caution is that under full load the laptop will want more amps than the adapter can provide. ) If the amperage provided by the power supply is lower than the device needs, the device will charge or run slower or not at all. Mar 6, 2022 · A lower input amp might suggest a more efficient charger, but doesn't directly translates as anything of relevance for its charging capabilities. 23A, or might be able to operate with lower using some conservation strategies (see comments on the dupe I linked to). You might be able to use it to charge the battery while powered off, and then run on battery. And in the meantime, Voltage is always drawn at the rated value. . This may cause the adapter to be over worked and burn out prematurely. May 19, 2015 · Using an adapter that is rated lower (1. Nov 15, 2024 · (Watts equal volts times amps, so if you have a 65-watt power supply that’s providing 12 volts, it’s capable of providing around 5. 31A or 3000A) to charge the laptop's battery but the charge time will vary accordingly. If it’s not made specifically for your particular computer, getting the right power supply is important and involves matching voltage, amperage, and polarity. Jun 5, 2023 · Yes — with a couple of caveats, of course. But you're talking about half the capacity. 5) than the laptop can work. In case of laptops, where battery has some charging logic, it will probably not charge or take very long time to charge, depends on how you use this laptop. 1A or 12. Normally when you use adapter, that has lower power output than the device you supply power to requires, adapter will simply heat up and die. Sep 26, 2022 · You should be able to use any power supply as long as it provides the correct voltage, no matter the current rating (be it 0. Normally when you use adapter, that has lower power output than the device you supply power to requires, adapter will simply heat up and die. There is a small chance that a poorly designed power supply may overheat. The output voltage must match.
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