The power pack will supplement the power provided by the flashgun, thereby increasing the total number of flashes and decreasing the recycle times. Flashgun power pack for Canon 580EX II, MR-14EX, MT-24EX.
- Powered by 4 or 8 AA Batteries
- Recycle Time of 1.24 Seconds
- Fire Period of 30 Seconds for 1/1 Power