KMD's Xbox 360 battery pack provides up to 18 hours non-stop rechargeable power. The 3900mAh-rated battery will ensure uninterrupted gameplay all day whether you're battling terrorists, exploring brave, new worlds or playing old school Xbox Live.

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  Compatible with Xbox 360 controllers
  


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  The battery can last up to 18 hours!
  


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  High-quality/3900mAh Rated
  


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  You can play your music while it charges!