The Lithium ion rechargeable battery is suitable for quick recharging with the exclusive Olympus Lithium- ion battery charger LI-40C or LI-41C. The extremely compact and ultra-slim design of the LI-42B rechargeable Li-Ion battery makes storage and transportation very convenient. With a capacity of 740mAh, the new Li-Ion battery allows hundreds of images to be shot before the battery needs to be recharged.