1Portable, beautiful and easytouse highcapacity. 2Using advanced lithium battery manufacturing process to ensure strong energy output. 3Provide two different output voltage mode of AC output and DC output, to meet charging requirements of different mobile electronic products such as mobile phone, tablet, laptop, electrical appliance. 4Builtin multiple protection circuits including over charge, over discharge, short circuit, over current, temperature protection to guarantee equipment safety. 5This product can be used as an outdoor emergency backup power supply.