Feature: Adopt CPU to control circuit Quick recycling Use high energy lithium cell 1200 flash times at max (test with Canon 580EX II) With USB charging port, can also provide power for various devices powered by USB connection (USB cable not included)Specifications: Battery Model: Lithium battery 11.1V 3000mAh Speedlite charging time: 1.2s full power (test with Canon 580EX II) Flash times: 1200 times full power (test with Canon 580EX II) Dimensions (mm): 130 x 95 x 45 Weight: approx. 0.5 Kg Color: BROWN Suitable for: NIKON SB28EURO SB28DX SB80DX SB800 SB900Package Contents: 1x 3000mAh FLASH BATTERY POWER BOX 1X AC POWER ADAPTER 1X SPEEDLITE CONNECTION CABLE 1X STRAP