Amazon.com: Kastar 4-Pack EN-EL9 Battery and LTD2 USB Charger Replacement for Nikon D40 D40x D60 D3000 D5000 DSLR Camera Battery Grip BG-2A, Nikon EN-EL9 ENEL9 EN-EL9a Battery : Everything Else
Aputure Battery Grip BP-D3000 for Nikon D3000,D40,D40X,D60 | Eachshot.com
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
Pro Battery Grip Special For Nikon D5000 With Remote Controller, Compatible With D3000 D40 D40x D60 Cameras - Battery Grip - AliExpress
New Dslr Battery Grip/pack/power Grip For Nikon D3000 D60 D40 D40x Camera Body+lcd Screen - Battery Grip - AliExpress