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How Long Does 20 000 Mah Battery Last. This battery life calculator estimates how long a battery will last based on nominal battery capacity and the average current that a load is drawing from it. So a 10000 mAh power bank can charge a 4000 mAh device 16 times.
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The battery capacity in your example has a 20 AH capacity. Similar For 20000 mAh power bank Charging Rate 20000 08 08 4000 32 times Approximately more or less Similarly 20000 mAh power bank can charge a 4000 mAh device 32 times. Twitter and BBOS beyond my already heavy use kills my battery.
It depends on its usage.
What a lousy battery. So a 20000mAh power bank can theoretically charge an iPhone 6 plus from 1. Earn 20 pts. Answer 1 of 3.