The Battery Grip BG-E14 is designed for use with the EOS 7D so users can enjoy high-volume shooting and easier vertical shooting. It is powered by the Battery Pack LP-E6 (one pack or two), size AA/LR6 batteries (6pcs) or the AC Adapter Kit ACK-E6. It is designed with the battery packs installed in a vertical orientation so that the thickness where the grip is clasped and held by the fingers is controlled and the shape is easier to hold. Product Features Holds up to two LP-E6, or 6 \"AA\" batteries Designed for easier vertical shooting For EOS 70D