Dual voltage smart charger/maintainer ensures that the battery is kept fully charged and ready-to-use for extended periods of time. Clear, easy-to-read digital display indicates the percentage charging level and the output current of the charger. Heavy-duty case with simple controls. Charges, EFB and AGM/GEL (stop/start), Lithium and conventional lead acid batteries. Ideal for wide range of vehicles from cars, boats and motorcycles up to 24V commercial vehicles. Inbuilt reverse polarity protection.