Waterpik WP-500 Série Mode D'emploi page 11

5.
6.
7.
8.
5. Remove 4 Phillips head screws
6. Remove rear handle housing
7. Cut the plastic housing as shown
8. Pull out the batteries and cut connecting wires
The removed battery should be disposed safely by special recycling center
WARNING: The battery of this product is not replacable. Please do not disassemble the product unless you want to dispose it.
Otherwise the warranty will be void.
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