- Car Charger
- 5 V
- 1 A
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1 Amp Only 12/17/2013
This review is from: Macally CARUSB White Dual Port USB Car Charger for iPhone
Can charge 2 phones at once (kind of, see other thoughts)
This charger is limited to only 1 Amp output.
Most smartphone wall chargers output 1 Amp and that's how much the phone draws while on AC charging mode. So when two phones are plugged into this charger, it will not be able to provide enough current. One exception is if the phone is charging in USB mode. This is when you plug your phone into a computer's USB port and charge. The current output of a computer's USB port is 0.5 Amps. So if both phones are set to charge in USB mode, it will be possible to charge two phones with this charger, although it will take twice as long to charge. Whether it is possible to force a phone to charge in USB mode is beyond my knowledge. For a charger with two charging ports, it really should be 2 Amps. 1 Amp somewhat limits its usefulness.
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