1, Nominal Capacity: 12000mAH 2, Battery Capacity: 12000mAH 3, Battery Type: use three international leading battery cells A3766125 4, Input Specification: 5V 1000mA 5, Output Specification: 5V 1000mA/5V 2.1A 6, Charging interface: MICRO USB*1 7, Switching Configuration: 8, Built-in intelligent protection functions for overcharge, over discharge, short circuit and leakage. 9, Selling point of products: Dual USB output,charge and discharge indication, LED power detection, the surface of the shell was handle with technology,software mainly control circuit with high conversation efficiency.