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 Battery BLM1 (5060/7070/8080/E-1/E-300/E-500/E-510) at KEH Camera