(2016 Update) Rapid Fire Pro External Flash Battery Pack for NIKON by Altura Photo The Rapid Fire High-Performance Battery Pack is a light, compact external power source designed to extend your flash's firing capacity and shorten recycle times. A must-have for any photographer looking to use their flash extensively. Especially useful for weddings, corporate events, or parties. Box Includes: - 1x Rapid Fire Pro Flash Battery Pack - 1x Neoprene Protective Pouch - 8x AA Alkaline Batteries Features: - Improves recycle time of your shoe-mount flash. - Uses 8 AA batteries (Alkaline, Lithium, or Ni-MH Rechargeable) - High-capacity battery provides up to 500 full power flashes. - Features a detachable power cord that can be exchanged to use with other brand flashes. - Attaches underneath most cameras using a ¼"-20 screw. - The included case allows you to secure the pack to a strap or belt loop. Compatible Flashes: - A SD-9 Replacement - Altura Photo: APN-958X - Nikon: SB-5000, SB-910, SB-900 - Not compatible with Nikon SB-800. For compatibility with Yonguo flashes please choose Canon version. - Batteries must be placed in the flash for it to operate. Premium MagicFiber® Microfiber Lens Cleaning Cloth included with your order. Ultra-gentle! Extremely fine microfiber leaves zero scratches, streaks or marks. Safe for all lenses.