Have five-LED power display to check remaining power<br />It has 2 D-tap outputs, 2 USB ports allowing additional charging of mobile phones, tablets, on-camera light sources<br />The battery case is made of heat-resistant ABS plastic the contacts are made of copper. Not subject to the memory effect can be charged at any time without loss of capacity<br />Built-in circuit protection made to prevent over-charging, over-voltage, and over-current The capacity is 7800mAh ">