Flashpoint Professional MBD80 Type Battery Grip for Nikon D80 and D90 Digital SLR Cameras Professional High Quality Battery Grip Holds 2 EN-EL3E Lithium-Ion Rechargeable Batteries. Effectively Doubling Your Shooting Time Vertical Shutter Release With Lock. This makes shooting with the camera in a vertical position just as comfortable as shooting horizontally. AA Battery Holder accepts 6AA Batteries Dramatically Improves Stability