Product features High frequency switch power technology is adopted in this device which has modular design and N + 1hot standby: reliable lightning protection, electric insulating protection measures; wide voltage input width, strong power grid adaptability; real-time monitoring of accumulator terminal voltage, charging and discharging current; precise control of accumulator equalized charging andfloating charge; it provides overall protection for the accumulator; a set of monitoring system can be adopted to manage dual-bank accumulators, three-phase charging device and sectioned bus to realize independent charging management of dual-bank batteries.