MeiKe MK-D300SL LCD Battery Grip for Nikon D700/D300/D300S | MeiKe Store
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: Kastar 2 Pack Li-ion Battery Pack for Nikon EN-EL3 ENEL3 EN-EL3A ENEL3A and Nikon DSLR D50 D70 D70s D100 Digital Camera : Electronics