Amazon.com : DSTE Replacement for Pro IR Remote Vertical Battery Grip + 2X EN-EL9 Compatible Nikon D40 D40X D60 D3000 D5000 SLR Digital Camera : Digital Camera Batteries : Electronics
Andoer BG-2F Vertical Battery Grip Holder for Nikon D3100 D3200 D3300 DSLR Camera EN-EL 14 Battery