YouPro E6 Battery Grip For Canon 5DII
This Battery Grip for Canon 5D Mark II makes photographing in a vertical position much easier and provides a better handling of your camera especially when you are using heavy lenses.
The battery grip provides more energy for your camera than a normal storage battery would.
The battery compartment holds either two lithium batteries (original or third-party manufacturer) or a battery magazine for six AA Alkaline batteries.
It is also equipped with a vertical-grip shutter button, dial, AE lock/FE lock button, and AF point selector button to enable exposure time setting etc.