Multi-Power Battery Grip With 2-Pc EN-EL14a Battery For Nikon D3100 D3200 - Walmart.com
Amazon.com : DSTE Replacement for Pro IR Remote MB-D31 Vertical Battery Grip Compatible Nikon D3100 D3200 D3300 D5300 SLR Digital Camera as EN-EL14 EN-EL14A : Electronics
Amazon.com : Phottix Battery Grip BG-D3100 for Nikon D3100 and D3200 : Digital Camera Battery Grips : Electronics
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
Nikon D3100 Grip - Jupio Battery Grip – VL Camera Photographic Store
Amazon.com: BM Premium Battery Grip Kit for D3100 D3200 D3300 D5300 Digital SLR Camera - Includes Qty 4 EN-EL14 Batteries + BG-N12 Battery Grip Replacement : Electronics