“It says the battery can last up to 72 hours charging well to get it to charge that long for how many hours should i leave it on. Also how do you turn it on my holding the button down and how do you turn it off by holding down the button also?”

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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.

  Answered by Scott 4 years ago

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• Mine got fully charged in exactly 5hrs. This is for 10,000mAh energizer, not sure how long for other capacities.

  Answered by misakiXusui 4 years ago

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• Hi Customer For 20000 mah power bank at 5V/2A charging speed, it will take 12 hours to charge up. Thank you

  Answered by Anonymous 4 years ago

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• It turns itself off

  Answered by Diamonds1 4 years ago

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