Extending battery life

zUse an optional HP AC adapter or HP Camera Dock when unloading pictures to your computer, printing, or connecting to the TV.

zTurn the camera off during a pause in picture taking.

zUse the Auto Flash setting rather than Flash On or Red-eye reduction.

Rechargeable batteries

NiMH batteries can be recharged by using a battery charger or optional HP Camera Dock (both purchased separately). Rechargeable batteries might be used either by recharging outside the camera in a charger, or in the camera by connecting to the dock or using the AC adapter. Both of these accessories are optional.

NOTE Rechargeable batteries have a longer life if they are fully discharged before charging occurs.

Power conservation

To conserve battery power, the image display turns off automatically if there is no button activity for 60 seconds. If no buttons are pressed for five minutes, the camera turns off (unless it is printing or connected to a computer).

NOTE If the camera is connected to an AC adapter, power conservation occurs after ten minutes.

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hp photosmart 620 user’s manual

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HP 620 manual Extending battery life, Rechargeable batteries, Power conservation