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
Amazon.com : Nikon EN-EL14 Rechargeable Li-Ion Battery for Select Nikon DSLR Cameras (Retail Package) : Digital Camera Batteries : Electronics