Hey, check out these auctions:

CONTROLLER BATTERY PACK + CHARGE CABLE KIT FOR XBOX 360
US $5.49
End Date: Friday Jul-30-2010 5:29:43 PDT
Buy It Now for only: US $5.49
Buy it now | Add to watch list
3600mAh BATTERY PACK CONTROLLER CHARGE KIT FOR XBOX 360
US $0.90 (0 Bid)
End Date: Friday Jul-30-2010 5:37:24 PDT
Bid now | Add to watch list

Cool, arent they?