Official 2,550mAh Wii U GamePad battery announced in Japan, promises up to 8 hours of gameplay

Bummed out about the Wii U GamePad's middling battery life? Nintendo finally has an answer: install a bigger battery. Taking to Twitter these evening, Nintendo revealed has that a new larger capacity GamePad battery will be available in Japan soon, promising between 5-8 hours of battery life. The 2,550mAh battery will cost ¥3,000 yen (about $39) when it launches this July, and will need to be installed manually by the user. There's no word yet on international availability, but it's a welcome band-aid for problem that nagged early adopters. Hungry for all of the (machine translated) details? Check out the official announcement at the attached source link.