BG-D90 multi-power battery pack work with Nikon D90/D80 single-lens reflex digital cameras. The BG-D90 takes one or two EN-EL3e rechargeable batteries or six AA batteries (alkaline, Ni-MH, lithium or nickel-manganese) and includes an alternate shutter-release button, AE-L/AF-L button, and main and sub command dials for taking pictures in “tall” (portrait) orientation. Specifications: Power Source: One or two EN-EL3e rechargeable Li-ion batteries; six LR6 alkaline, HR6 Ni-MH, FR6 lithium, or ZR6 nickel-manganese AA batteries. Battery Life: Approximately 500 shots(two EN-EL3e batteries), 250 shots(one EN-EL3e battery), or 480 shots(alkaline batteries) Operating temperature: 0°- +40°