I'm not sure if this is the cheapest around but can't find anywhere that has a charging stand this low. This is great if you don't want to bother with rechargeable batteries as there are two power packs that come with this also.
The Wii Dual Charge Stand is an ideal solution for your Wii Remote Controls, the Dual Charge Stand replaces the need for standard AA batteries.
The Dual Charge Stand includes 2 x rechargeable battery packs for Wii remotes, simply place them onto the stand, and with a 4 hour rapid recharge time it provides up to 10 hours playtime per battery. Powered using your original Wii AC Adaptor, the Dual Charge Stand stores your Wii Remotes, the stand features a soft blue light illumination and LED recharging indicators.
* 2 x Rechargeable Battery Packs for Wii Remote.
* Rapid 4 hours recharge time.
* Provides up to 10 hours of playtime per battery
* Powered using original Wii AC Adaptor
* Soft blue light illumination