Amazon.com : LP EN-EL3e Battery Charger, Charger for Nikon EN EL3e, EL3, EL3a Battery, Compatible with Nikon D700, D300s, D300, D200, D100, D90, D80, D70s, D70, D50, Replacement for Nikon MH-18, MH-18a,
Nikon D90 Digital Camera Battery Lithium-Ion (1800mAh) - Replacement for Nikon EN-EL3e Battery - Walmart.com
Source Battery Power Grip for Nikon D80 D90 SLR Camera MB-D80 on m.alibaba.com
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
Nikon D80 & D90 Battery Door — Camera Center
Battpit: Digital Camera Battery Replacement for Nikon D80 DSLR (1500 mAh) EN-EL3E 7.4 Volt Li-ion Digital Camera Battery - Walmart.com
EN-EL3E Battery / Charger for Nikon D50 D70 D80 D90 D100 D200 D300S D700 Camera - Walmart.com