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Eforcity.com has the Dual Charging Station w/ 2 Rechargeable Battery & LED light for Wii Remote Control, White, for $9.99 with free shipping.
Use coupon code WIIDUALCHARG.
Final Price for this deal: $9.99 + Free Shipping

Description:
* Never run out of battery power when you are about to score the winning point.
* Save money and protect the environment by using the rechargeable battery
* High capacity battery that lasts 2~4 times longer than the standard AA batteries
* Dock both of your remote and plug it into any USB port. No need to remove the battery!
* Blue LED light glow from the base of the dock station
* Package includes:
o 2 Ni-Mh Rechargeable battery
o USB cable

* Dual Remote Control Charging Dock
* Accessory ONLY. Nintendo Wii Remote control not included.