Amazon.com: UltraPro EN-EL3 / EN-EL3a / EN-EL3e Replacement Battery Charger (110/220v with Car & EU adapters) for Select Nikon Digital Cameras : Electronics
SDENEL3a Lithium-Ion Battery - Rechargeable Ultra High Capacity (7.4v 1700 mAh) - Replacement for Nikon EN-EL3a Battery for D50, D70 & D100 Cameras" - Walmart.com
Amazon.com : Nikon EN-EL3a Rechargeable Lithium-Ion Battery Pack for D50, D70, D70s, and D100 : Camera Power Adapters : Electronics
2x Pack - Nikon D50 Battery - Replacement for Nikon EN-EL3E Digital Camera Battery (1600mAh, 7.4V, Lithium-Ion) - Walmart.com
Nikon D50 Battery for sale | eBay
Amazon.com : Wasabi Power Battery for Nikon EN-EL3e and Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700 : Digital Camera Batteries : Electronics
Nikon D50 6.1MP Digital SLR Camera w/ Battery & Charger (Clean, ~6700 - Victory Camera
Hahnel announce battery grip for Nikon Digital SLR | ePHOTOzine