D3000 Battery Grip with Infrared Control for Nikon D3000
willoughbys.com
Amazon.com : DSTE Replacement for Pro IR Remote Vertical Battery Grip + 2X EN-EL9 Compatible Nikon D40 D40X D60 D3000 D5000 SLR Digital Camera : Digital Camera Batteries : Electronics
Kastar Battery AC Wall Charger for Nikon D3000 D5000 Camera Battery Grip BG-2A 2 X battery - Newegg.com
Battery Grip for Nikon D750 Meike MK-DR750 Pro - Camera Gear
Pro Battery Grip Special For Nikon D5000 With Remote Controller, Compatible With D3000 D40 D40x D60 Cameras - Battery Grip - AliExpress
BATTERY GRIP-D40
Amazon.com : Neewer Professional Vertical Battery Grip Replacement for Nikon D3100/D3200/D3300/D5300 SLR Digital Camera, Works with 1 or 2 Pieces EN-EL14 Batteries : Electronics