The BL-5 Battery Chamber Cover is a battery chamber cover that's used with the MB-D12 MB-D17 and MB-D18 Battery Power Packs and enables the use of an EN-EL18 series rechargeable lithium-ion battery to power the camera.

Compatible Battery Grip / Multi Battery Power Pack:
MB-D12 (D810, D810A, D800, D800E)
MB-D18 (D850)

Item Includes:

1 x BL-5 Battery Chamber Cover

Note: The battery doesn’t include.