Products feature: 1.Battery type:Li-polymer Battery. 2.Inside Capacity: 6000MAH. 3.Input: DC 5V / 2.1A. 4.Output: DC 5V / 2.1A. 5.Weight :190 grams. 6.LED HD Display 7. Outside 10 to 20000 mAh Selling point: 1.Full Screen Mirror,the remaining capacity is clearly visible. 2.Double Micro USB Ports,support two phones to charge togeter. 3.Double LED Light,If you want to turn on the led light, double click the button. 4.1A charging gives you the fastest charging speed. 5.Above 60 ° it will stop charging till the tempration is down 6.Equipped with an overcharge protection system. More than 500 charge life cycles.