Original OEM New Replacement Battery Nintendo Wii U Gamepad Controller WUP-012 - Walmart.com
Wii U GamePad Battery Replacement - iFixit Repair Guide
Game Console Battery 3.7V/1500mAh WUP-012 for Nintendo WiiU/GamePad,WUP-010,Wii U,WUP010 - AliExpress
Rechargeable Battery Pack for Nintendo Wii U® GamePad - XYAB
Amazon.com: UCEC 6600mAh Wii U Gamepad Battery Replacement Rechargeable Battery Pack Wii Accessories for Nintendo Wii U Gamepad WUP-010, WUP-012 : Video Games
Wii U GamePad battery life gets a boost from new Nyko accessories - Polygon
Somehow managed to fit a 10,000mAh battery inside of my Wii U game pad! Battery life from around 2 hours to (so far) more than 13 hours at full brightness. See captions,
Extended Battery Pack for Wii U GamePad – Retro Raven Games
3600mAh 3.7V Replacement Rechargeable Battery for Nintendo Wii U Controller Gamepad Extended + Tool - Walmart.com
Amazon.com: 3.7V 1500mAh Battery Pack for Nintendo Wii U Gamepad WUP-012, WUP-010 : Video Games
Wii U GamePad Battery Replacement - iFixit Repair Guide
Nyko U Boost Battery & Stand for the Wii U - Various Colors - Sam's Club