You can use the famous cdwow £5 on game accessories too so I thought this deserved it's own mention what with the 360 packages around.
Recharge your Xbox 360 Wireless Controller while you play and kiss disposable batteries goodbye! Complete with a charging cable and rechargeable battery pack, the Xbox 360 Play and Charge Kit is all you need to juice up your Wireless Controller even in the midst of battle.
# Recharge your Xbox 360 Wireless Controller while you play.
# Play & Charge Cable enables continuous game play.
# Battery offers 25 hours of play per charge.
# Battery fuel gauge through the Xbox 360 dashboard.
# Includes Play & Charge Cable and NiMH rechargeable battery pack.