Microprocessor-controlled - automatically adjusts the charge current and maintainability.Provide 10A, 7A and 3A charging current matching battery and Float Charger Maintainer, charging safe and extended battery life.LCD digital display voltage and status, automatic voltage detection: detection for 6V 12V or 24V battery.To achieve the highest industry standard of energy efficiency.Overcurrent protection, overvoltage protection, overheat protection, reverse protection, with self-stop function.