Vello BG-N12 Battery Grip for Nikon D3100, D3200, & D3300 BG-N12
Replacement En-EL14 En EL14 Digital Camera Battery for Nikon D3100/D3200/P7000/D5100 - China En-EL14 En EL14 Replacement Battery and En-EL14 Battery price | Made-in-China.com
NEEWER Vertical Battery Grip for NIKON Work with EN-EL14 - NEEWER
NEEWER Vertical Battery Grip for NIKON Work with EN-EL14 - NEEWER