Excerpt: I was doing a big conference and knew I would only have about 4 shots for each group of billionaires at the most...so one miss fire or slow recycle and a lost chance for a good shot...so I purchased the CP-E4 for that sole purpose... It is light and I put it on my belt.
Pros: Easy To Pack, Easy to Use, Lightweight, Reliable
Excerpt: I used this to power my speedlight with my Westcott Rapid Box 26" for a middle school dance. It was fabulous for formals and a photo booth! It kept my 580 EX ll ready to go all evening. Great buy!
Excerpt: Like some others here, I bought this to replace a cheap knockoff. In my case a Yongnuo SF-18, which failed after a couple years and a half dozen events. I hope this does better, but I am not encouraged by the cheezy non-user-replaceable cable or the flimsy plastic clips on the battery tray.
Excerpt: I was unhappy with the recycle time for my Canon 580 EX II flash used as daylight fill flash for bird photography. I decided to go with the Canon battery pack over the knockoffs because of quality issues and the much more expensive and powerful accessory batteries because I read reviews on how they...
Pros: Easy To Pack, Easy to Use, Lightweight, Reliable, Strong Construction
Excerpt: I am birds photography ,some times I should shot after dark ( mostly owls) so i need fast flash for that, i have canon EX600 which great one but 4 AA battary not enough, when i shot by my 1DX or 7D some of pictures come without light!