This ABL8 battery control module supplies direct current voltage. It has a rated input of 24V to 28.8V DC, a rated output current of 40A at 24V DC. This battery control module is designed to act as a battery charger, to allow batteries usage during significant network power shortages. It has control backup battery charging and backup supply to ensure the longest battery life-time. It provides reliable and fast switching between network supply and battery supply avoiding disturbances on your critical control power supply lines.