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How Much Energy Do Your Devices Consume per Year?

How Much Energy Does Your iPhone (And Other Devices) Really Use?

Forbes June 24, 2014

If you fully drain and charge your iPad every other day it will use about 12 kWh of electricity per year.

Your iPhone battery holds a charge of 1,440 mAh, or about 5.45 watt hours. If you fully drain and recharge your phone everyday, then over a year you would have to feed it about 2,000 watt hours, or 2 kWh. At an average price of 12 cents per kWh that means that your phone uses about one quarter’s worth of electricity per year. Now you’ll never feel bad about charging your phone in random outlets again.

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