Waterpik WP-900 Manual page 21

Battery Removal
Note: This process is not reversible
The rechargeable battery inside the toothbrush cannot be replaced but can be removed for recycling. Remove
the battery only at the end of the product's life. Doing so earlier will destroy the product. Deplete the battery
charge by running 2 minute cycles until the brush no longer operates. Observe basic safety precautions.
At the end of the product's useful life, open the handle as shown, remove the batteries and dispose of them
according to local regulations. The rest of the product can be discarded per local regulations.
1. Use coin or washer to rotate cap counter
clockwise until cap protrudes. Rotation will
stop at this point.
2. Push down hard with shaft on hard surface.
WP900E1_20016224-FAA_IM_vF2.indd 21
3. Remove cap and pull internal body out.
Cut tape and remove.
4. Lift battery pack up and cut battery wires,
one at a time, to free from circuit board.
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Tape
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