Battery2go Li-ion Battery Pack Fits Ninetendo WUP-012, WUP-010, Wii U, Wii U Gamepad VINTRONS Battery For Ninetendo WUP-012, WUP-010, Wii U, Wii U GamePad; Capacity:1500mAh; Voltage:3.7V Dimension(approx): 65.25 x 52.58 x 9.84mm Certificated with ISO9001, RoHS & CE for quality assurance.