G-Cord (TM) 5200mAh Fast Charging Ultra-Slim Lightweight Portable External Battery Pack Power Bank for iPhone, Andorid Smartphone,Tablets, Bluetooth Speakers headset, Google Glass, Gopro Digital Cameras and other devices (Hot Pink) High capacity rechargeable power bank is perfect for power-hungry smartphones, tablets and other devices - Reliable and stable lithium polymer core ensures longer battery life and safer use --supplying more than 500 charge cycles Built-in short circuit, over-charge and over-heat protection allows for safe, fast and reliable charge while on the go Overcharging Protection, Overloading Protection, and short circuit protection 100% Real Capacity: 5200mAh, Refusing to Counterfeit on Capacity Intelligent switch design, longer battery life, energy saving