How many phones will a Power Bank be able to charge?
The simple answer is the Economy Class Power Banks can roughly fully charge one phone.
Business Class Power Bank may be able to charge a couple of phones depending its capacity.
The iPhone capacity ranges about 1450 mAh, Galaxy phones range from 1650 mAh to 2600 mAh. The iPad ranges 6600 mAh to 11620 mAh.
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