Nikon MB-D17 Multi Battery Power Pack/Grip for D500 Description The Nikon MB-D17 Multi Power Battery Pack for D500 is a Multi-Power Battery Pack for the D500, increasing the number of shots per charge that you can get. It features a Shutter release button and Fan button for ease in vertical shooting. The MB-D17 can be powered by eight AA batteries or by a single EN-EL 15 or EN-EL 18a Lithium Ion battery. When using the MB-D17 with eight AA batteries, use the MS-D12 Battery Holder; when using the EN-EL 15 battery to power the MB-D17 use the MS-D12EN Rechargeable Li-ion Battery Holder. No battery holder is needed when using the EN-EL 18a to power the MB-D17. The MB-D17 can also be powered via the EH-5b AC power adapter using the EP-5B power connector. Features: MB-D17 is a Multi-Power Battery Pack for the D500 Supplied with: MS-D12EN Li-ion Rechargeable Battery Holder, MS-D12 AA Battery Holder, Holder Case, Contact Cap, User's Manual and Waranty MB-D17 can be powered by eight AA batteries or by a single EN-EL 15 or EN-EL 18a Lithium Ion battery Features a Shutter release button and Fn button for ease in vertical shooting Product Details: Number of Batteries: 1 Lithium Ion batteries required. Brand: Nikon Battery Cell Composition: Alkaline Compatible Phone Models: Nikon D500 Recommended Uses For Product: Camera Product Dimensions: 3 x 1.5 x 2.2 inches Item Weight: 3.52 ounces Item model number: 27169 Batteries: 1 Lithium Ion batteries required. Is Discontinued By Manufacturer: No Date First Available: January 11, 2016 Manufacturer: Nikon Country of Origin: China