Battery Grip for Nikon D3000/D5000/ D40/D40x/D60 Incl. Ir Remote Release | eBay
EACHSHOT D3100 Battery Grip for Nikon D3100 D3200 D3300 AS BG-2F SG-2F | Eachshot.com
Vello BG-N12 Vertical Battery Grip for Nikon D3100, D3200, D3300 (EN-EL14/14A) at KEH Camera
Battery Grip Vertical Shutter Release for Nikon D3300
Glorystar Camera Battery Grip For Nikon D3100 D3200 D3300 Slr Digital Camera Vertical Shutter Release Button Work - Battery Grip - AliExpress
Neewer Professional Vertical Battery Grip Replacement for Nikon D3100/D3200/ D3300/D5300 SLR Digital Camera, Works with 1 or 2 Pieces EN-EL14 Batteries