Nikon EN-EL15c Rechargeable Lithium-Ion BatteryKey Features For Select Nikon Cameras Charge with MH 25 MH 25a or EH 7P 7. 0V 2280mAh Nikon EN EL15c Overview Power select Nikon cameras with the EN EL15c rechargeable lithium ion battery. This battery has the EN EL15 form factor and can be used as a higher capacity substitute for previous generation batteries. It is compatible with the MH 25 and MH 25a chargers, or, when used with Z cameras, it can be charged in camera using the EH 7P Charging AC