D3000 Battery Grip with Infrared Control for Nikon D3000 - AliExpress
Amazon.com : Nikon D40 6.1MP Digital SLR Camera Kit with 18-135mm f/3.5-5.6G ED-IF AF-S DX Zoom-Nikkor Lens : Electronics
Kastar 4-Pack EN-EL9a Battery and LCD AC Charger Compatible with Nikon EN-EL9 EN-EL9a ENEL9 ENEL9a Battery, Nikon MH-23 Charger, Nikon Battery Grip BG-2A for Nikon D40/D40x/D60/D3000/D5000 DSLR Camera - Walmart.com
BATTERY GRIP-D40
Amazon.com : Maximal Power Replacement Battery Grip Combo for Nikon D40, D40X, D60, and D5000 : Digital Camera Battery Grips : Electronics
Pro Grip Camera Stabilizing Bracket Handle for Nikon D40 D40x D50 | eBay
BATTERY GRIP-D40
Amazon.com: DSTE Replacement for Pro IR Remote Vertical Battery Grip + 2X EN-EL9 Compatible Nikon D40 D40X D60 D3000 D5000 SLR Digital Camera : Electronics
Power Battery Grip Nikon D40 D40X D60 D3000 D5000 DSLR Camera LC7708
Digital Camera Grip for Nikon D40/D40X/D60/D3000/D5000 Bg-2A - China Camera Grip and Battery Grip price | Made-in-China.com