25th November 2019

lifehacker
16

Is 1a or 2.1 A faster?

Most smartphones require a minimum of 0.5A to charge, while some need 1A. Tablets often require a minimum of 1A and sometimes as much as 2.1A to charge. You can still plug smartphones into these higher-powered ports. In fact, they'll charge faster if you do.

What is the amperage of an iPhone charger?

That's because the difference between the iPhone and iPad adapters is the rated amperage. An iPad charge brick is rated to handle 2.1 amps, while the smaller iPhone charger is rated for just 1 amp.
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