High capacity 10400mAh Xiaomi power bank. Aluminum alloy shell. Adopt original custom batteries from LG, Samsung and other international top batteries supplier, with up to 10400mAh large powers, offers beyond imagination life time for your mobile phone, tablet, and digital camera. With temperature protection, reset protection (Just press the power button to reset it), over-voltage protection, over-current protection, over-charge/discharge protection & PTC protection. Compatible with Apple, Samsung, HTC, Nokia, BlackBerry etc.