Kastar Brand Replacement Lithium-ion (Li-ion) Battery. High Quality, Long Lasting and Manufacture Price. The Battery 100% decoded and 100% Compatible with the Original Cameras and Chargers. High Capacity. Use high quality Japanese Cells for longer battery life with no Memory Effect. Use Integrated Japanese microchip which can prevent the overcharge and overdischarge. Compatible with: Nikon EN-EL18b EN-EL18a EN-EL18b EN-EL18c MH-26 MH-26a and Nikon D4, Nikon D4S, Nikon D5, Nikon D6, Nikon D800 D800E D810 D810A Battery Grip MB-D12 (Note: Need a extra BL-5 battery cover), Nikon D500 Battery Grip MB-D17 (Note: Need a extra BL-5 battery cover), Nikon D850 Battery Grip MB-D18 (Note: Need a extra BL-5 battery cover) Package Includes:

2 x EN-EL18 Battery
1. Compatible with battery models:

Nikon EN-EL18
Nikon EN-EL18a
Nikon EN-EL18b
Nikon EN-EL18c

2. Compatible with charger models:

Nikon MH-26
Nikon MH-26a
Nikon MH-26a AK
Nikon MH-26b

3. Compatible with camera models:

Nikon D4
Nikon D4S
Nikon D5
Nikon D6
Nikon D6S

Nikon D800 D800E D810 D810A Battery Grip MB-D12 (Note: Need a extra BL-5 battery cover)
Nikon D500 Battery Grip MB-D17 (Note: Need a extra BL-5 battery cover)
Nikon D850 Battery Grip MB-D18 (Note: Need a extra BL-5 battery cover)