This battery grip is not your ordinary grip for the D7000.
It comes with its own Li-ion battery as well as a holder for the original battery from Nikon.
It will also come with a battery holder for 6 AA batteries so you can keep going no matter where you are in the world.
It has an AC adapter to charge the supplied Li-ion battery and it comes in the original box.
You won't be disappointed with this deluxe grip.
call me at to try it out on your own D7000.