AODELAN External Flash Battery Pack Battery Power Bank for Nikon SB-5000, SB-900, SB-910 .Replace Nikon SD-9 (12 AA Batteries)
Nikon SD-8 High Performance Battery Pack Case Box Nikon SB-28 SB-27 #B121 | eBay
SD-9 High Performance Battery Pack | Nikon
Amazon.com : Nikon SD-9 Hi-Performance Battery Pack for SB-910 and SB-900 and SB-5000 Speedlight Flashes, Black (Battery Pack SD-9) : Digital Camera Battery Chargers : Electronics
Sold: Nikon SD-9 Battery Pack and batteries - FM Forums