You can enjoy hours of charging power with this Charge and play Battery Pack for Xbox 360 wireless controllers. You want to know more? No problem! Just connect the charging cable included and play while your battery charges! The professional-grade battery of 2100mAh ensures uninterrupted play for all of your favorite videogames. Compatible with Xbox 360(r), 6 foot charger cable included. "Plug-in", pro-quality/2100mAh-rated option lets play while charging!