This is the Olympus BLM-5 and BCM-5 Charger Kit. The Olympus BLM-5 Lithium-Ion Rechargeable Battery is small and lightweight. Lithium-Ion batteries can be charged or discharged at any time without developing memory effects. It must be noted that this battery can only be charged in the Lithium-Ion Battery Charger (BCM-5). If you do not own this charger, it is suggested that you purchase the Battery Charger Kit that contains both the BCM-5 Charger and BLM-5 Battery.
The Olympus BCM-5 Battery Charger is the dedicated Lithium-Ion battery charger for the BLM-5 battery. It recharges the BLM-5 battery in approx. two and a half hours (at room temperature) and it is included with the Olympus E-5 digital SLR. The BCM-5 is compatible with the international power supply of 100-240V AC.
The BCM-5 battery replaces the BLM-01 battery. However, it cannot be charged in the Li-Ion Battery Charger BCM-01