Nikon Style ENEL18C 3350mAh Battery & BL5 Battery Cover
 
Extend your shooting time with the Bescor Nikon Style ENEL18C Rechargeable Lithium-Ion Battery and BL5 Cover Kit. The BL-5 Battery Chamber Cover connects to the ENEL18 pack and allows it to be inserted into the MB-D12, MB-D17, and MB-D18 battery grips for the D800, D800E, D810, D810A, D500, and D850 DSLR cameras
 
Compatibility
Nikon: D5, D4S, and D4