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Use this guide to replace the battery in a Waterpik Cordless Advanced 2.0 WP-580.
This guide requires soldering. If you're unfamiliar with soldering, review the How to Solder and Desolder Connections guide and take appropriate precautions before beginning.
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Depress the tip eject button and remove the tip.
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Use an opening tool to pry off the tip rotator.
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Remove the four Phillips screws beneath the tip rotator.
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Remove the eject button assembly.
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Use a Phillips #0 screwdriver to remove the two screws beneath the eject button assembly.
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Remove the water reservoir.
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Remove the two Phillips #0 screws toward the bottom of the device.
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Insert the flat end of a spudger into the seam between the front and rear case and gently begin to pry the two halves apart.
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Disconnect the hose from the right side of the device and fully separate the two halves.
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Remove the two screws at the top, two screws in the middle, and two screws at the bottom using a Phillips #0 screwdriver.
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Gently separate the outer casing from the rest of the inside pieces - there are cords here holding them together.
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Use a Phillips screwdriver to remove the two screws that secure the motherboard.
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Carefully desolder the black, red, and blue wires from the motherboard.
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You now have access to where the battery is stored. Carefully remove the bottom cap and replace the battery.
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To reassemble your device, follow the above steps in reverse order.
For optimal performance, after completing this guide, calibrate your newly installed battery.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting or ask our Answers community for help.
To reassemble your device, follow the above steps in reverse order.
For optimal performance, after completing this guide, calibrate your newly installed battery.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting or ask our Answers community for help.
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