GuidesPower bank How many charges does it have? By Shawn Woo Updated: April 14, 2023 420 You can find out how a power bank how many charges for your devices? Is 5000mah, 10,000mah, 15,000 and 20,000 which power bank is right for you? A single charge from your phone battery lasts for a few hours.
Itsrated input is 5V/2A, so if you use a 5V/1A power adapter to charge it, its actual input current is 1A=1,000mAh. 10,000mAh /1,000mAh=10 hours. If you use a 5V/2A power adapter, it takes 5 hours to fully charge the power bank: 10,000mAh / 2A (2,000mAh) = 5 hours. Same for charging the phone.
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how many times can a 10000mah power bank charge