Expert Quality, microprocessor controlled smart charger for garage and workshop use. The charger will fully maintain the battery when vehicle is not used for several months. With a built in desulphation capability allowing the detached sulphite to return to the electrolyte within the battery. Can be left permanently connected without damage to the battery. Built in polarity protection for total security. Suitable for use with lead acid, lead acid maintenance free, lead AGM, lead calcium and GEL batteries. Carton packed.