Shipping Weight: 423g
The Nikon MB-D10 Multi-Power Battery Grip allows the Nikon D300 & D700 to be powered by two EN-EL3e batteries simultaneously - one in the camera body and one in the MB-D10 - effectively doubling your shooting capacity.
The MB-D10 also provides a comfortable vertical grip with an additional shutter release and scroll wheel for easy access to the camera functions when shooting in the vertical orientation.
It is also fairly compact
Size: 155*125*85 mm
Weight: 423 g