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ProductsExternal Flash Battery Pack
Flash Battery Pack replaces Pentax TR Power Pack III.
Mdl#FB-4(II)        Sku#36563

The JJC FB-4(II) Compact Battery Pack is used to greatly increase the number of flash firings of the Pentax AF-540 FGZ Flash Speedlight, and also shortens the recycling time. It has a total capacity to hold 8 AA batteries. It can be used with any type AA battery. Total minimum flash recycling time can be as fast as 1 second when used with AA Ni-MH batteries, and the capacity per round of batteries is about doubled. Batteries must be in place in the flash in order to operate.



     Compatible  with

Pentax AF-540 FGZ Flash

Gross Weight





One year warranty

FB-4(2) compatible with Pentax AF500FTZ flash?Steve
JJC: Dear customer, thank you for your interest about JJC product. JJC FB-4(2) is not compatible with Pentax AF500FTZ flash.
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