For use with Canon 580EX II, 580EX, 550EX, 540EZ, 430EZ, MR-14EX, MT-24EX Speedlight Flash.
The pack takes optional rapid-change magazines that can be loaded with 8 AA-size batteries prior to a shoot to ensure fast, smooth transitions from one battery set to the next - important in critical shooting situations or to keep up momentum in the studio. Accepts eight AA-Size Lithium, Alkaline or Rechargeable Ni-MH / 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.
Includes
Reviews Canon CP-E4 Speedlite Compact Battery Pack (Dust / Weather Resistant!) for Canon 580EX II Speedlite