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
Battpit: Digital Camera Battery Replacement for Nikon D80 (1500 mAh) EN-EL3E 7.4 Volt Li-ion Digital Camera Battery - Walmart.com
UpStart Battery Nikon D80 Battery - Replacement for Nikon EN-EL3E Digital Camera Battery (1600mAh, 7.4V, Lithium-Ion) - Walmart.com