- Rechargeable Lithium Polymer Battery
- Play longer with your Nintendo Wii U controller with Nyko's U Boost and get up to double the Battery life.
- Rechargeable lithium polymer battery for up to double the play time
- Uses existing Wii U Gamepad AC adaptor
I'm always nervous with these kind of batteries. I don't like opening up my systems/controllers like that. This product is for those braver than I, which isn't hard to do! Thanks to Jay for the heads up.