The Nikon BL-3 Battery Chamber Cover is designed for use with the MB-40 or MB-D10 multi-power battery pack when using EN-EL4 or EN-EL4a batteries. It serves as a compatible accessory for specific Nikon camera power configurations, helping support reliable battery pack operation across select camera systems.
Compatibility
The BL-3 Battery Chamber Cover is compatible with the MB-D10 battery pack, which is intended for use with the Nikon D700, D300, and D300S digital cameras. It is also compatible with the MB-40 battery pack, which is designed for the Nikon F6 film camera.

































































































































































