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iPad Pro Question about charging voltages

B

boylerman

macrumors regular
Original poster
Mar 17, 2010
146
53
Massachusetts
When I plug my iPad Pro into my 14" MacBook Pro, it charges at 3 amps at 5 volts. When I plug the iPad into my Anker desktop charger, it charges at 14.6V at 1 amp. Is the charging speed basically the same? Is it a simple formula of volts * amps? (3 * 5 = 15) versus (14.6 * 1.03 = 14.48)
 
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