Easily charge and store your Wii-remote with the Powerwave Charge Dock for the Nintendo Wii. The Charge Dock includes 2 x battery packs exclusively designed for the Wii-remotes. Each remote is easily recharged by docking your remote. The Charge Dock conveniently plugs into your Wii consoles USB port allowing for optimum charge!
This Charge dock is so great! It saves money on constanty buying batteries. Just put your ChargeDock Rechargeable Battery pack into the slot where your normal batteries would go, put into the dock, and CHARGE! Fully Charged from 0 to 100% in around 2 hours! Definetly worth the money as batteries are too expensive these days!
These things are pretty good for your console if you are into HOURS of gameplay non-stop.
ofcourse if you are just a casual gamer using your Wii only a few times a week or so, you probably woudlnt ever need one of these. although it comes in handy either way.