What you are viewing is PIXEL TD-383 Flashlight External Battery Pack for Nikon SB-800. Enjoy extended use of your Nikon flashlight using this external battery pack.Superior external battery pack are designed for people who has busy photography and taking pictures and who go without an access to an external charging alternative. Add life to your Nikon SB-800, SB-80DX, SB-28DX, SB-28, SB-27, SB-26, SB-25, SB-24, SB-23, SB-22, SB-20, SB-11. The replacement battery pack is an external power source for a higher flash capacity. Portable battery pack can reduce recycle by more than half. This high performance flashlight external power pack is a compact and light external power source for flashes. You can't always recharge your flashlight when you'd like to, but with an extra battery to hand you can always shoot as long as you need to. This is a must have for photography events, such as weddings. Include protect case which available to hold on the belt or bag; easy to carry.