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Old May 6th, 2013, 03:41 PM   #4 (permalink)
EarlyMon
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Join Date: Jun 2010
Location: New Mexico, USA
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Voltage is a force so that's pushed.

Current is a supply so that's drawn as needed by the device up to it's limit or the charger limit, whichever is less.

I've been using 2 A (aka 2000 mA) chargers on my 1 A phones for some time - no issues.

Your phone is in danger if you get a shorted cable or the charger goes out of the usb-specified voltage range, that's 5 volts +/- a tad.

From wikipedia - Max. voltage 5.000.25 V (pre-3.0); 5.00+0.25-0.55 V (USB 3.0).

This phone apparently draws up to 2 A.
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Last edited by EarlyMon; May 10th, 2013 at 01:08 PM. Reason: updated info on current draw.
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