The MB-D15 is equipped with a shutter-release button, AE/AF lock button, multi selector, and main- and sub-command dials for improved operation when taking photographs with the camera vertically oriented.
The EH-68P is an AC Adapter Charger that can be used to power select Nikon cameras from an AC power source, useful when shooting long sessions. It will also recharge the battery.
Ideal for long shooting situations or for downloading images to a computer.
Nikon EN EL9a - Camera battery Li-Ion 1080 mAh - for Nikon D3000, D5000