... 18 650 2200mAh 3 starsVoltage: 3.7v, 6600mAh. Output, 5v 1A and 2A.2. power test, press the off switch, blue led lights, four ... needs to be charged.3. Mobile power USB port, an output 5V 1A, an output current of 2A 5V. A lithium charge and five kinds of mobile phone ... rain.Storage: ban put a damp place, stored for six months after the added charge.8. The shelf life of 12 months.