The Samlex America BG-60 battery guard is designed to prevent excessive discharge of the battery and voltage caused by a faulty alternator or charger with a low and high voltage disconnect. The battery guard is microprocessor controlled and can be programmed to engage or disengage at ten different voltage levels for 12 and 24 V battery systems with 60 A of power. This delay timer constantly measures the battery. If battery voltage is…The Samlex America BG-60 battery guard is designed to prevent excessive discharge of the battery and voltage caused by a faulty alternator or charger with a low and high voltage disconnect. The battery guard is microprocessor controlled and can be programmed to engage or disengage at ten different voltage levels for 12 and 24 V battery systems with 60 A of power. This delay timer constantly measures the battery. If battery voltage is too low for 15 sec, an alarm contact / output is activated. The alarm contact is activated if overvoltage is detected. Read More