1. Compatible with battery models: 

Nikon EN-EL4 EN-EL4e EN-EL4a

2. Compatible with charger models: 

Nikon MH-21 MH-22 

Nikon MH-26a AK

3. Compatible with camera models:

Nikon Camera D2 

Nikon Camera D2H 

Nikon Camera D2Hs 

Nikon Camera D2X 

Nikon Camera D2Xs 

Nikon Camera D3 

Nikon Camera D3S 

Nikon Camera D3X 

Nikon Camera F6

Nikon Grip MB-D10 D300 D300S D700 MB-40 (Note: Need an extra BL-3 Battery Chamber Cover)