Nikon
BL-6 Battery Chamber Cover
Protective Cover for D4, D4S & D5 cameras
This Nikon BL-6 Battery Chamber Cover is a replacement or spare for the cover that is originally included with the camera body. It is designed for use with the EN-EL18/EN-EL18a rechargeable battery when it is used with the Nikon D4, D4S, or D5 DSLRs.