For use with 580EX-II, 580EX, 550EX, 540EZ, MR-14EX, MT-24EX Speedlites. Accepts eight AA-Size Lithium, Alkaline and Rechargeable Ni-MH or NiCd Batterries.
This battery pack reduces full power recycling time from about six to 1.7 seconds and increases the number of full-power flashes per charge from approximately 100 to 432.
Note: Speedlite 430EX and 220EX not supported.
Rental includes: One set of eight "AA" batteries, holster.