“First use of the battery requires giving it a full charge and discharging it completely. How can I discharge the battery completely? Do I have to use vacuum for however long it takes to discharge or is there some way to run it without holding it?”

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• Hello zwrdl, We are happy to assist you with your inquiry about the Shark® IONFlex™ 2X DuoClean® IF251 Bagless Cordless Pet-Stick Vacuum. We apologize for any confusion on this. After you fully charge the battery, do not recharge it until the battery fully discharges. You do not need to fully discharge it in one use. We hope this information helps. The Customer Support Team

  Answered by Shark Support Team 6 years ago

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• It discharges even at rest. / or when not being charged.

  Answered by Ryan 6 years ago

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