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There is a row of lights on the side. Once all of them are lit, it indicates a full charge. Charging it more than that will not extend its capacity. It will shut off automatically.
Sorry, there was a problem. Please try again later.Mine got fully charged in exactly 5hrs. This is for 10,000mAh energizer, not sure how long for other capacities.
Sorry, there was a problem. Please try again later.Hi Customer For 20000 mah power bank at 5V/2A charging speed, it will take 12 hours to charge up. Thank you
Sorry, there was a problem. Please try again later.It turns itself off
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