Kaavie Vertical Multi Power Battery Grip For Nikon D7100, Replacement of MB-D15 Specially designed for Nikon D7100. It can hold one EN-EL15 rechargeable battery or six AA batteries LR6 alkaline, HR6 NiMH, ZR6 FR6 lithium or nickel-manganese batteries Double the battery capacity of your camera, effectively extend your shooting time. Ideal for portraits with a vertical shutter button handle Vertical shutter,Significantly improves stability.