☀Up to 650 flashes per charge, fast recycle times up to 0.9 sec (Ni-MH batteries). Greatly increases the number of flashes and reducing recycling time. | ☀Powered by 12 AA batteries, compared to traditional battery pack, it can ensure a stable power supply for the flash. | ☀Compatible with Nikon SB910, SB900, SB5000. | ☀This battery pack is very lightweight and simple in appearance, you can easily remove the battery holder and install the battery. | ☀Package includes: 1 X flash battery pack, 1X carrying case (12 AA batteries not included).