Amazon.com : Nikon EN-EL3e Rechargeable Li-Ion Battery for D200, D300, D700 and D80 Digital SLR Cameras - Retail Packaging : Electronics
Sold Price: Nikon digital SLR camera D300, comes with charger and battery, also comes with separate multi power battery pack, casing only, no internal battery, with extra battery pack, comes with chords
Zeikos ZE-NBG300 Multi-Power Battery Pack for Nikon D300/700
Vello BG-N8 Battery Grip for Nikon 300/300s BG-N8 B&H Photo Video
LCD_BATTERYGRIP_D300/D700
Zeikos ZE-NBG300 Multi-Power Battery Pack for Nikon D300/700 | eBay
Amazon.com : DSTE Replacement for Pro MB-D10 Vertical Battery Grip + 2X EN-EL3E Compatible Nikon D300 D300S D700 D900 SLR Digital Camera : Electronics
Nikon D300 Accessories
MeiKe MK-D300SL LCD Battery Grip for Nikon D700/D300/D300S | MeiKe Store