1700mAh Eurus BLS-1 BLS1 PS-BLS1 Li-Ion BATTERY for OLYMPUS E-400 / E400 E-410 / E410 Digital Camera Digital Camera BATTERY replacement for Olympus BLS-1 / PS-BLS1 Li-Ion 1700mAh, 7.4V Rechargeable Battery fits: E-400 / E400, E-410 / E410 No Memory Effect, the battery can be recharged without loss of capacity Top Quality Replacement Battery from high quality Japan cells