Pixel Pro External Flash Battery Pack for Nikon SB-800 SB-80DX SB-28DX SB-28 SB-27 SB-26 SB-25 SB-24 SB-22 SB-20 SB-11 Flashgun as SD-8A
It also can be used with different types of batteries.7.The flashgun power pack has a built-in thermal protection switch. It stops working when it get hot. However, the battery pack will continue working after cooling.8. Compatible flash: Nikon SB-800.