The Olympus BCN-1 Battery Charger for BLN-1 is a replacement or spare charger for the BLN-1 lithium-ion battery. It consists of a charger base and a power cord with 2-prong US plug. This battery powers the new OM-D / E-M5 camera. Charging time is roughly 3 hr. Use it to replace your original, as a backup, or as a spare for travel.