Battery Grip Holder Mb-d80 for Nikon D80 D90 D 80 90 SLR Camera +2x En-el3e 2.0a Battery grip with a shutter release button, and shutter function with AF Thumbwheel, aperture / exposure compensation button, AF point selection / Magnify button, exposure lock / flash exposure lock button. Load Six AA size batteries into battery magazine and insert the battery magazine into battery grip and screwed tightly for power life Load two EN-EL3e lithium battery into battery grip and screwed tightly for power life Battery Grip for Nikon D90/D80 SLR camera