Quick Charger / Rechargeable Battery

The supplied MH-21 Quick Charger is for use with Nikon EN-EL4 and EN-EL4a rechargeable Li-ion batteries. The MH-21 is equipped with battery calibra- tion feature and charge lamps that glow, blink, or turn off according to the battery charge state.

Contacts

Charge lamps

Calibration lamp

Calibration button

Wall plug

Power cable

Contact protector

AC adapter plug

Calibration

Calibration allows precise measurement of battery charge, ensuring that the battery level can be displayed more accurately.

EN-EL4a Rechargeable Li-ion Batteries

EN-EL4a rechargeable Li-ion batteries can transmit information on battery state when connected to compatible devices.

Technical Notes—Specifications

265

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Nikon D2Xs manual Quick Charger / Rechargeable Battery, 265, Calibration