Canon CP-E4 Battery

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. : Dust-resistant and water-resistant battery pack.

Consumer Reviews


Excellent product worth the money

bymooshu2 Dec 22, 2008
11 Helpfuls 12 Helpfuls Was this review helpful?
Pros Afforable, uses AA batteries, compact
Cons cycle issues when using full or 1/2 power, no fuel gauge.
Recommended it? Yes

I am not going to go over the specs as you can find that yourself.
I highly recommend this products to anyone who needs an external power source to power their Canon flashes.  Ideal for events, weddings, and general day to day use.  Here are some of the reasons why I love this... Read full review »

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