Wasabi Power Battery for Olympus BLS-01, BLS-1, PS-BLS1 and Olympus E-400, E-410, E-420, E-450, E-600, E-620, PEN E-P1, E-P2, E-P3, E-PL1, E-PL3, E-PM1 Rechargeable lithium-ion battery for Olympus BLS-1 Can be charged with the original Olympus charger Premium Japanese cells for longer battery life Rated at 7.2V and 1450mAh for a longer run time Includes battery and 3-year manufacturer warranty