23sFirst StepsCharge the BatteryThe D4 is powered by an EN-EL18 rechargeable Li-ion battery(supplied). To maximize shooting time, charge the battery in thesupplied MH-26 battery charger before use. About two hours andtwenty minutes are required to fully recharge the battery when nocharge remains.1 Plug the charger in.Insert the AC adapter plug into thebattery charger and plug the powercable into an electrical outlet.2 Remove the terminal cover.Remove the terminal cover from thebattery.3 Remove the contact protector.Remove the contact protector from thecharger battery chamber.A See AlsoFor information on using the MH-26 to charge two batteries, see page441.Terminal cover