Opteka EN-EL3E 2000mAh Ultra High Capacity Li-ion Battery Pack for Nikon Digital SLR Cameras **47th Street Photo is the only Authorized seller of the Opteka EN-EL14, all other sellers ship counterfeits with NO Opteka warranty** Ultra high power True 2000mAh, Extended shots - Up to 25% more then original Memory free for maximum performance Lithium Ion 7.2v Brand new, 2 Year performance warranty