The Eagle Eye’s Battery Data Logger (BDL) is designed for battery data logging of cell voltage, string voltage, string current and ambient temperature. The innovative design allows the BDL to be used with Eagle Eye’s DC Load Bank Series or individually as a standalone tester to reflect battery status. The Eagle Eye BDL-Series is customizable to work with your battery system, and comes with comprehensive monitoring software to monitor the state of health of each battery in real-time.