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What Is The 3V Battery In The Wii For? [Solved]

This battery is used to keep track of time when the device is off or unplugged.

How to change the CLOCK BATTERY on the Nintendo Wii

Hi, this video shows you how to replace the clock

EASILY Clean Battery Leak Damage(Corrosion) In Electronics

Learn how to easily clean

How to Fix Wii Remote Not Turning on | Wiimote Battery Corrosion Cleaning

How to Fix