Kastar Lithium-Ion Battery BLM-5 Replacement for Olympus E-5, Olympus E1, Olympus E3, Olympus E30 Camera Kastar Battery Replacement for Olympus BLM-5 Battery Battery Type: Lithium-Ion; Battery Voltage: 7.4V Battery Capacity: 2500mAh Package Includes: 1 Battery Compatible with: Olympus BLM-5 PS-BLM5 Battery; Olympus BCM-5 Charger; Olympus E-1, Olympus E-3, Olympus E-30, Olympus E-5 Digital Camera and Olympus HLD-4 Battery Grip