Wii U Game Pad Battery Pack (2550mAh) - Solaris Japan
Wii U High-Capacity Battery - Unboxing + Installation - YouTube
Was the Wii U GamePad's Short Battery Life Planned? — The Indy Gamer
Official 2,550mAh Wii U GamePad battery announced in Japan, promises up to 8 hours of gameplay | Engadget
Battery for Nintendo Wii U Gamepad - 3600 mah - WUP-001 - New - FR 3701018506511 | eBay
Any idea where I can find this extended battery for the gamepad? Do you have any other recommendations for a replacement battery? (not the Chinese ones that last 1-2 houres). : r/wiiu
Amazon.com: 3.7V 1500mAh Battery Pack for Nintendo Wii U Gamepad WUP-012, WUP-010 : Video Games
News: Bigger GamePad Battery, Wii Charging Dock Heading to Europe Page 1 - Cubed3
Kastar 3.7V 6600mAh Battery for Nintendo Wii U GamePad WUP-003 WUP003 | eBay