How to Fix a Nintendo Wii Balance Board that won't power on at all - YouTube
Wii Balance Board Teardown - iFixit
Accidentally left the batteries in my wii balance board for 9 years and it corroded the converters away, is it possible for me to fix? : r/consolerepair
Fix + Repair Nintendo Wii Broken Power / Reset / Sync / Eject Button (s) : 14 Steps - Instructables
OEM Genuine Nintendo Wii Balance Board Battery Compartment and PCB Board - Surpius
How to Sync a Wii Fit Balance Board: 6 Steps (with Pictures)