The SC-6, a six-station HD recovery charger, is designed to recover, charge, maintain and desulfate from one to six 12-volt lead-acid batteries at a time. The compact and portable charger, designed primarily for managers of small fleets and commercial shops, was created to work with any 12-volt battery type. Each of the six charging stations operates in isolation, allowing any combination of battery brands or types to be recharged simultaneously, company officials said. The independent channels also profile the condition of each battery.