The Samlex America BG-40 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 40 A of power. This delay timer constantly measures the battery, and an alarm contact…The Samlex America BG-40 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 40 A of power. This delay timer constantly measures the battery, and an alarm contact / output is activated to sound for 15 sec when the battery voltage is too low. If overvoltage is detected, it will immediately disconnect and the alarm contact will be activated. Read More
