This Nintendo Wii U GamePad replacement battery is what you need to bring your dead controller back to life! Play longer with this 3600 mAh battery.
Nintendo Wii U GamePad Replacement Battery
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Uwayor Uwayor
Uwayor WUP-001 Replacement Battery for Wii U Gamepad 6600 mAh 3.7 V High Capacity Replacement Battery with Screwdriver
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
Wii U GamePad High-Capacity Battery, Screw On, LowRez HD
LCLEBM 3600mAh Wii U Rechargeable Battery Replacement Pack for Nintendo Wii U, Wii U Gamepad Controller AC1748 AC1612, Wup-012 Wup-010: : PC & Video Games
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Uwayor Uwayor
Uwayor WUP-001 Replacement Battery for Wii U Gamepad 6600 mAh 3.7 V High Capacity Replacement Battery with Screwdriver
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Nintendo Wii U review - The Verge
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
Wii U Controller Wireless Rechargeable Bluetooth-compatible Dual Analog Controller Gamepad for Wii U Pro with USB Charging Cable