PS-BLS1 BLS-1 1800mAh Battery for Olympus Evolt E-400, E-410, E-420, E-450 E-620, PEN E-P1, E-P2, E-P3, E-PL1, E-PL3 Camera + Microfiber Cloth 100% Compatible with original manufacturer equipments and chargers Made with premium lithium-ion cells and tested for high performance and safety. Can be charged with an original Olympus charger or any other compatible third-party charger. Best replacement for the following OEM battery part numbers: Olympus PS-BLS1, PSBLS1, BLS-1, BLS-01, BLS1, BLS01. Free Microfiber Cleaning Cloth