This item is an accessory. It must be rented with a non-accessory item.
Canon Compact Battery Pack CP-E4 for the Canon 600EX-RT, 580EX II, 550EX, 540EZ, 430EZ, MT-24EX and MR-14EX Speedlite Flash Units. This pack runs on 8 AA batteries and significantly reduces the flash recycle time making sure your flash is ready to shoot when you need it to. CP-E4 can be powered by regular Alkaline as well NiMH rechargeable batteries.
Batteries not included.
Please note this battery pack must be rented along with a flash or other gear and not as a single item in your cart.