Opteka EN-EL14 1800mAh Ultra High Capacity Li-ion Battery Pack for Nikon D5300 D5200 D3100 D5100 D3200 D3300 DF Coolpix P7000 P7100 P7700 P7800 DSLR Cameras (Fully Decoded Chip) Ultra high power extended 1800mAh 7.4V Extended use - 80% more then original Memory free for maximum performance Lithium Ion 7.2v Japanese cells Dual safety fuse, 2 year performance warranty