Canon CP-E4, An Inital Review

The Canon CP-E4 battery pack is an essential item for any photographer who needs fast flash recharge and successive flash fires such as wedding or event photography. This battery pack is designed to plug into the Canon 550 EX/580 EX/580 EX II via a proprietary cable. What the battery pack does is decrease your flash recycle time by providing more juice.

I recently picked up one because I use flash a lot and need it ready to fire at any time and sometimes ready to fire off a burst. Continue reading Canon CP-E4, An Inital Review