Variable Frequency Power Supply, DC Power Supply, Energy Storage Inverter manufacturer / supplier in China, offering Heavy-Duty 2400kw DC Power Converter Three-Level Topology, <1% Voltage Accuracy, Forced Air Cooling, Rail Transit Energy Recovery, Industrial Bidirectional DC-DC Converter 1500V 3000A 98% Efficiency, Modular Parallel, IP20, RS485/Ethernet for Energy Storage Systems (ESS), PV MPPT Charge Controller Step-Down Voltage Conversion, 200-900V Input, 50A-100A Discharge Output and so on.