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 : BIG MIKE'S ELECTRONICS BM Premium 2 Pack of BM Premium EN-EL9, EN-EL9A Batteries for Nikon D5000, D3000, D60, D40x & D40 Digital SLR Camera : Electronics