D300 Battery Grip with Infrared Control MB-D10 Battery Grip for Nikon D300 D300S Battery Grip - AliExpress
Amazon.com : Nikon MB-D10 Multi Power Battery Pack for Nikon D300 & D700 Digital SLR Cameras - Retail Packaging : Electronics
Nikon MB-D10 Multi Function Battery Pack for D700, D300, D300s at KEH Camera
LOSONCOER Battery 3300mAh EN EL3E EN EL3E EN EL3A Digital Camera Battery For Nikon D300S D300 D100 D200 D700 D70S D80 D90 D50|Digital Batteries| - AliExpress
Amazon.com : Powerextra 2X EN-EL3E Battery & Charger Compatible with Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700 D900 Digital Cameras (Free Car Charger Available) : Electronics
IDX System Technology CUE-D300 286Wh High-Capacity/Load CUE-D300
Zeikos ZE-NBG300 Multi-Power Battery Pack for Nikon D300/700
Amazon.com : Wasabi Power Battery (2-Pack) and Charger for Nikon EN-EL3e and Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700 : Digital Camera Batteries : Electronics