Description
The External Flash Battery Pack is an external power source for a higher flash capacity. This high performance power pack is a light, compact external power source for use with all Canon flashes with corresponding attachment. This is a must have for event photography, such as weddings, and for high frame rate Canon cameras.

This product uses 6 AA batteries (same battery type as the flash unit) and connects to the flash.

Specifications:
Power: 6x AA type battery (Not included)
Dimensions: 69(W) x 158(H) x 25(D) mm
Weight (without batteries): 170g

Compatible with following flash units:
Canon 580EX II, 580EX, 550EX
Canon MR-14EX, MT-24EX
Other Flash Units are compatible with Canon CP-E4 battery pack.