This product consists of solar battery, storage battery, intelligent controller. It can charge all kinds of mobiles under sunshine, it also can charge with discharging from the built-in battery in any places with weak sunshine or without sunshine. It is a good stand-by power source for your mobile when you are in travel, on board of ships or airplanes, or in fieldwork.

Features:
Peak Power supplied by photocell: 1.45W
Operating Voltage: 5.5V(max. )
Charging Current: 500mA(max. )
Battery Capacity: 1800mAh
Output Voltage: 5.5V
Charging Current: 500mA(max. )
Dimension: 116*65*18mm
Weight: 168g