CZH-LABS Electronics-Salon Low Voltage Disconnect Module LVD, 24V 30A, Protect/Prolong Battery Life. Part number: MD-D1021/24V, Version 2.0 (from December-22, 2017 change to Version 2.0). Mount type: panel mount. Suitable battery: 24V. Rated current: 30A. Datasheet: https://images-na.ssl-images-amazon.com/images/I/81mTLi3gbZL.pdf