The OEM Genuine Olympus LI-40C Li-ion Battery Charger is specifically designed for charging LI-40B and LI-42B batteries. As an official charger by Olympus, it ensures compatibility and reliability for your camera or drone accessories. The model LI-40C is designed to efficiently power your batteries and keep them ready for use whenever you need them. With this charger, you can trust that your batteries will be charged safely and effectively.