DSTE Pro BG-E16 Vertical Battery Grip + 2x LP-E6 For Canon 7D Mark II Digital Camera A firm, comfortable grip for vertical-position shooting with the Camera. Buttons and controls are conveniently placed and easy to reach for greater comfort. Holds two Li-ion batteries or six AA Battery for extended shooting Li-ion Battery Info: DC 8.4V (max); DC 7.2V (mean) 2600mAh/19.2Wh When using two batteries, the grip will automatically switch to the second battery if the first becomes depleted. Switching does not interrupt camera operation. Remaining power indicator