2x Pack - UpStart Battery Olympus C-8080 Battery - Replacement for Olympus BLM5, BLM-01 Digital Camera Battery (1620mAh, 7.4V, Lithium-Ion) - Walmart.com
Amazon.com: Synergy Digital Camera Battery, Compatible with Olympus Camedia C-8080 Digital Camera, (Li-ion, 7.4V, 1500mAh) Ultra High Capacity, Replacement for Olympus BLM-1 Battery : Electronics