Samlex America's battery charger is totally automated with three stages 50 amp making it the best choice for charging all types of 12V lead-acid batteries from a 120 V, 60 Hz or 230 V, 50 Hz AC source. It accommodates charging which is up to two isolated battery banks and it can also serve as a DC Power supply. Meanwhile, the conversion to a two-stage algorithm makes it possible to charge batteries that are linked to a DC load through the help of the setting of the DIP switch.