Olympus UC-90 Lithium-Ion Battery Charger for LI-90B - 110 V AC, 220 V AC, 5 V DC Input - Input connectors: USB - AC Plug

With the UC-90 Battery Charger you can charge the LI-90B Battery via USB connection. In addition you can charge it via AC connection if you use the power cable and the F-2AC Adapter which is supplied with the camera.