The OSRAM BatteryCharger 908 is a 8A smart charger and battery maintainer for 12V and 24V vehicles including most cars, vans and small trucks. Maintains and charges a vehicle’s battery through a 7 stage charging cycle at the touch of a button for Lithium batteries, with only a 9-stage cycle of Lead Acid/AGM batteries. Includes a backlit LCD digital display to keep things easy even in low light. A host of safety features including reverse polarity and short-circuit protection, keeps both the user and the vehicle safe. Be sure that the charger is maintaining your car battery as it automatically changes to long-term maintenance mode when the vehicle’s battery is full.