EN-EL18 / EN-EL18a Replacement Battery for Nikon D4 DSLR, D4S, D5, D500, D800, D800E, D810, D810A, D850 — 3300mAh (sold by smavco)

Replacement EN-EL18 / EN-EL18a battery compatible with Nikon D4 DSLR, D4S, D5, D500, D800, D800E, D810, D810A and D850. Capacity: 3300mAh. Offered by smavco as a spare or replacement power source for the listed Nikon camera models.