“What is the Wh of this power bank? If the input is 9V, then the Wh would be 180, correct?”

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• actual capacity will 74 wh. not 180... its mah x volt (3.7v) / 1000. you multiply by 3.7v....

  Answered by Anonymous 1 year ago

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• Assuming the 20,000mAh product spec is correct, then you would indeed get 180Wh at 9v

  Answered by lexiferion 1 year ago

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