The MH-25A is a battery charger designed specifically for recharging Nikon EN-EL15 Series i.e EN-EL15,EN-EL15a, EN-EL15b,EN-EL15cLithium-ion batteries.
Comapitable Cameras 
Nikon D7000,7100,7200,7500,D600,610,750,800,810,850
Nikon Z5, Z6, Z7, Z6II, Z6III, Z7II, Z8,