Hey, check out these auctions:

3600mAh BATTERY PACK CONTROLLER+CABLE FOR Xbox 360 Slim
US $5.55
End Date: Friday Sep-03-2010 8:41:33 PDT
Buy It Now for only: US $5.55
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Charger For Xbox 360 Wireless Controller Battery Pack
US $0.99 (0 Bid)
End Date: Friday Sep-03-2010 8:43:17 PDT
Bid now | Add to watch list

Cool, arent they?