Buy from Amazon.com : http://fave.co/1IphRoT <br /><br />Camera Flash Compact Battery Pack For Canon CP-E4 and Canon Speedlite 580EX II 580EX 550EXMR-14EXMT-24EX<br /><br />Product Description : <br />Package includes <br />1 Flash Power Battery Pack <br />1 Protector Case <br />1 User Manual <br />Compatible flash models For Canon Speedlite 580EX II 580EX 550EX MR-14EX and MT-24EX This product uses 8 AA alkalineNiMHLi batteries Batteries Not Included and connects to the flash
