GODOX PB820S External 2000mAh Quick Charging Battery Box for Nikon SB800, SB900 Flashgun - Black
1. Using this battery box suitable for Canon 580EXII Nikon SB900 SB800 and Sony F58 etc flashgun improving the efficiency and using time 2. Strong compatibility just replace the dial-pluggable terminal cable 3. CPU control circuit inner with software and hardware dual protection high temperature nylon materials housing 4. Battery charging time: About 2 hours 5. Flashgun charging time: About 1s (Full power) 6. Flash times: About 900 times (Full power) 7. Appearance size: 150 x 104 x 44mm