Power select Nikon DSLRs with this EN-EL15a Rechargeable Lithium-Ion Battery, which serves as a spare or replacement for the one provided with the camera. It is designed to offer long life and consistent power, even when you’re shooting in cold conditions, and can be charged or discharged at any time without developing memory effects. The battery is compatible with the MH-25a charger.

Nikon EN-EL15a Specifications