Pentax TR Power Pack III for the AF-540FGZ
Expand the battery life of the AF540FGZ flash by up to 700 shots. Uses 6 C-size Alkaline batteries. Includes case and strap for comfortable, unencumbered use in the field. Provides Approx. 700 flashes on one set of batteries. Recycle Time: Approx. 4.5 seconds DImensions: 95 (W) x 190 (H) x 40 (D) mm - 3.7 (W) x 7.5 (H) x 1.6 (D) in Weight: 340g (12.0 oz.) w/o batteries - 740g (26.1 oz.) w/ batteries Notes: AA batteries are required in the AF540FGZ flash, even if the TR Power Pack 3 is in use. The flash will not operate without AA batteries loaded.