Kastar Digital Camera Battery Replacement for Olympus E-400, E-420, E-450, E-600, E-620, E-P1, E-P2, E-P3, E-PL1, E-PL3, E-PM1, EVOLT E-410, Compatible Part Numbers: BLS-1, PS-BLS1 Kastar Battery Replacement for Olympus BLS-1, PS-BLS1 Battery Battery Type: Lithium-Ion; Battery Voltage: 7.4V Battery Capacity: 2100mAh Package Includes: 1 Battery Compatible: Olympus BLS-1 PS-BLS1 BCS-1 PS-BCS1 and Olympus E-400 Olympus E-410 Olympus E-420 Olympus E-450 Olympus E-600 Olympus E-620 Olympus E-P1 Olympus E-P2 Olympus E-P3 Olympus E-PL1 Olympus E-PL1s Olympus E-PL3 Olympus E-PM1 Cameras