Olympus OEM PS-BLS1 Battery 

Excellent condition

Compatible with: 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-PL3 Olympus E-PM1