1. Product overview mobile solar power came from prolonged research by nation and abroad experts with high-tech content, environmental protection, energy conservation. It will be the best product for business, travel, outdoors operations, home use, gift for relatives and so on. 2. Technical Parameters:1). solar panel: Peak power supplied by photo cell: 0.5W/0.8WOperating voltage: 12 V (Max)Charging current: 500mA 2). mainframe:Battery capacity: 3000mAhOutput voltage: 5 V , 9V , 12V Output current: 800mA (Max)3.How it works1Charge your solar energy emergency charger before using, there are three methods as following:  a. Put the charger under the sunshine, then the solar energy will convert to electrical energy and charge the build in rechargeable battery;  b. Connect the charger to your computer with USB cable. The charger indicator will be bright when charging and extinct when the battery is full.  c. Charge it by AC to DC adapter. The charger indicator will be bri