Amazon.com : Replacement for Olympus E-420 Battery and Charger - Compatible with Olympus BLS-1 Digital Camera Batteries and Chargers (1150mAh 7.4V Lithium-Ion) : Camera & Photo
Olympus E-420 Digital Camera Battery Charger (110/220v with Car & EU adapters) - Replacement Charger for Olympus BLS-1 Battery : Camera & Photo - Amazon.com