Jupio Battery Grip for Nikon D3100, D3200, D3300, and JBG-N003
Vello BG-N12 Battery Grip for Nikon D3100, D3200, & D3300 BG-N12
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 MB-D3100 for Nikon D3100/D3200/D5300 Battery Grip by Wasabi Powe – Wasabi Power
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
For Nikon D3200 Grip Rubber Cover Camera Repair Spare Part Unit - AliExpress
Pro Vertical Power Battery Grip for Nikon D3100 D3200 as EN-EL14 + Singal Cable | eBay