Buy from Amazon : http://www.amazon.com/gp/product/B00BX1P276?tag=scratchandsti-20 <br /> <br />Simple Studio Speed Lite Power Box for Nikon <br /> <br />Average battery life one 1 charge is 1000 flashes with a recycle time of 05 seconds <br />Battery charging time 2 hours <br />Battery Li-ion 12V-2000mAh <br />Output DC-320V <br />Fits Nikon SB28DX SB80DX SB800 SB900 Please check for 3 prong plug on your flash unit
