Non-isolated, DC voltage disconnect relay module for preventing over discharge of lithium and lead-acid batteries. Adjustable cutoff and reconnect voltages. Relay opens when Input voltage drops below set limit, closes when input reaches the adjustable restart value. 0-10 minutes Adjustable reconnect delay. Rated: 12-36V Batteries Max Voltage: 60VDC Relay Rated: 20A max @ 14VDC Output voltage: same as Input voltage Control Accuracy: Power consumption: HWC-M635