USB Rechargeable "4800mAh" Battery with USB Charging Cable for Xbox 360 Controller - Black
Product print '4800mAh' the exact capacity is 800mAh - Compatible with for Xbox 360 Wireless Controller - Protect your XBOX 360 Controller with secure circuitry - Recharge the battery pack directly by using USB cable - Connects to XBOX 360 console or anything with a USB port