Still waiting for the Nikon original battery grip for D3100 SLR camera that hasn't been released yet? No need to wait any longer! Here is a perfect solution for you! This high quality battery grip is compatible with Nikon D3100 SLR cameras. It has a built in vertical shutter release button, and can hold two EN-EL14 rechargeable battery packs. Additionally, it comes with a signal transferring cable with which you will be able to use a shutter release.
Features:
Pro Battery Grip for Nikon D3100 SLR Camera
Hold 2 EN-EL14 rechargeable Li-ion batteries.
Vertical shutter with half-press function. More comfortable vertical shooting.
Doubling the battery capacity of your camera, effectively extend your shooting time.
Significantly improves stability.
Signal transferring cable included.
Tripod screw mount.
Specifications:
Type: Battery grip for Nikon D3100
Compatible Battery (not included): 2X EN-EL14 battery pack
Power Switch: Camera's power switch
Color: Black
Dimensions: 122x78x100mm