- Reduced flash cycle times
- More flashes per battery change
- Takes 8AA batteries
Canon Compact Battery Pack CP-E4 for the Canon 600EX-RT, 580EX/2, 580EX, 550EX, 540EZ, 480EG, 430EZ, MT-24EX and MR-14EX Speedlite Flash Units. Accepts 8AA batteries (can use rechargeable or alkaline) and allows for shorter flash-charge times and significantly more flashes without changing batteries - great for wedding photographers or anyone who relies on their flash for all-night performance.