Have been looking around for one of these for a while as I am sure you all know, Wii remotes eat through batteries, this is a bargin at £12.48 and is also eligible for Super Saver delivery if you spend over £15 (one other cheap item).
Rechargable battery docking station for the wii remote. The rechargeable batteries replaces the need for standard batteries. The docking station recharges and stores your Wii remotes when It's not being used, ensuring your Wii remotes are always ready for action. Connects directly to your Nintendo Wii via USB.
2 x Rechargeable batteries
Docking station for Wii remotes