12000mAh large capacity . High quality batteries through UN38.3 certification and Japan PSE certification durable and reliable. Seiko protection board triple protection to ensure safe. High power fast charge and discharge design fast to meet demand. Multiple interfaces and slot real universal standby power to meet all the charge needs of digital equipment. Compatible with most D-SLR battery charging slot suitable for 5V input phone / tablet PCs and other digital devices. Specifications: MICRO USB Input: Voltage 5V current 2A. USB Output: Voltage 5V the maximum output current 2.1A down adaptive. Conversion rate of more than 92%. DC port: the camera can be powered directly to the output voltage of 7.2 ~ 8.4V. All cameras can be powered directly by the port and work properly if it works in this voltage range ( need dedicated adapter and cable). Maximum discharge current 1.5A under normal operating output current 0.7 ~ 1A the conversion rate of 85% or more. Battery charging slot: operating voltage 7.2 ~ 8.4V the maximum charging current is 1A the conversion rate of more than 85%. Battery power tips: 4-LED battery indicator lights can display the current battery level range no matter charging or discharging.