Nintendo Wii U Gamepad 3600mAh 3.7V Rechargeable Replacement Battery Controller Model WUP-012, WUP-010, Lithium ion Battery, Li-ion Rechargeable New Battery Pack, Long Life Replacement Battery. Third party replacement battery for Nintendo Wii U Gamepad Compatible with: WUP012, WUP010 Capacity: 3600mAh, Voltage: 3.7V Fits Controller Weight : 55 g / 1.94 oz Package Includes : 1 x Nintendo Wii U Battery, FAST SHIPPING 5-7 WORKING DAYS