The decrease in recycling time and increase in flash capacity will depend on the type of batteries used.
Sb 700 battery pack.
It has a total capacity to hold eight aa batteries but can also be used with just four batteries.
Sd 8a the sd 8a battery pack can be used with the sb 11 sb 22 sb 25 sb 26 sb 27 sb 28 sb 28dx sb 80dx sb 800 sb 5000 speedlights as well as the sk 6a power bracket.
Operates on four or eight aa alkaline lithium or ni mh batteries.
Nikon sd 9 hi performance battery pack for sb 910 and sb 900 and sb 5000 speedlight flashes 4 3 out of 5 stars 40 godox xpro n 2 4g x system ttl wireless trigger transmitter with 2x x1r n controller receiver for nikon camera i ttl function compatible with sb900 sb800 sb5000 v860n flash.
Product review for rayovac ultrapro nikon sb 700 af speedlight flash digital camera batteries shrink 8 pack aa alkaline battery engineered for professional equipment flashlights cameras clocks wireless devices remotes toys more.
It can hold up to two sets of four r6 aa size batteries ensuring a stable power supply for the sb 900 greatly increasing the number of flashes and reducing recycling time.
Nikon rapid battery charger with 4 2300mah ni mh aa rechargeable batteries ac power cord w herofiber cloth for nikon sb 400 sb 500 sb 700 sb 600 sb 800 sb 900 sb 910 sb 5000 speedlights 5 0 out of 5 stars 3.
The nikon sd 9 battery pack is used to greatly increase the number of flash firings of the sb 900 sb 910 and sb 5000 speedlights and also shortens the recycling time.
The battery packs house between 4 8 aa batteries.
Shortens recycling time and increases flash capacity the sd 9 is an external power source.