Genuine Olympus battery charger for the Olympus Li-90B lithium-ion rechargeable battery, as used by the Olympus XZ-2 and Tough TG-1 & TG-2 digital cameras. Two charging options, either via USB or AC mains (using the F-2AC adapter supplied with the camera). Charges a single battery at a time. Multi voltage input 100-240v. Charge time is approx 240 minutes.