The EN-EL4 rechargeable Li-ion battery provides 11.1v and 1900 mAh of power to select Nikon D-SLRs.
The battery can be charged using the MH-21 or MH-22 battery chargers.
The camera's fuel gauge accurately displays the remaining charge and number of shots since the last charging of the EN-EL4.
When using with the MB-D10 Multi Power Pack, the BL-3 Battery Cover must be used.
LCD, Video and Photo Gallery images are for illustrative purposes only.
Technical SpecificationsRated capacity 11.1V/1900 mAh.
Charges in approx. 100 minutes.
D300 use requires optional MB-D10 Multi Power Pack and Optional BL-3 Battery Cover.
The EN-EL4a even gives notice when calibration is necessary.