Phottix Premium Series BP-5DII Vertical Grip/Battery Holder for Canon 5D Mark II digital cameras. This battery grip can hold two Battery Packs LP-E6 or six size-AA/LR6 batteries. It is equipped with a vertical-grip shutter button, Main Dial, AE lock/FE lock and AF point selection controls for easier vertical shooting. It works with 1 or 2 LP-E6 Lithium-Ion rechargeable batteries. Also has Tripod Socket.
Note: Does NOT work with Canon EOS 5D
Power (1) One or two Battery Packs LP-E6
(2) AA alkaline/LR6 batteries x 6
AC Adapter Kit ACK-E6
Dimensions 150x115x76mm/5.9x4.5x3.0in Weight Approx. 315 g/11.1 ox. (not including the power supply or battery magazine)