The Nikon BL-5 Battery Chamber Cover is for use when powering the D810 DSLR with the MB-D12 Battery Pack, the D850 DSLR with the MB-D18 Battery Pack, or the D500 DSLR with the MB-D17 Battery Pack, and using the EN-EL18 rechargeable lithium Ion battery.
Compatible Battery Packs:
*battery not included
