Olympus E-510 EVOLT Review: Digital Photography Review
Amazon.com : Replacement for Olympus E-510 Battery and Charger - Compatible with Olympus BLM5 BLM-01 Digital Camera Batteries and Chargers (1620mAh 7.4V Lithium-Ion) : Electronics
Olympus E-510 Digital Camera Battery Charger (110/220v with Car & EU adapters) - Replacement Charger for Olympus BLM-01 Battery : Electronics - Amazon.com
Olympus E-510 Digital Camera Battery Lithium-Ion (1850 mAh) - Replacement for Olympus BLM-01 Battery - Walmart.com
Digital Camera Batteries: Olympus E510 battery, 1.5Ah