Neewer Professional Vertical Battery Grip Holder For Nikon D3100/d3200/d3300 Slr Digital Camera En-el14 Battery - Battery Grip - AliExpress
Vello BG-N12 Battery Grip for Nikon D3100, D3200, & D3300 BG-N12
Vello BG-N12 Vertical Battery Grip for Nikon D3100, D3200, D3300 (EN-EL14/14A) at KEH Camera
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