Model Number: SN-7KWx Brand Name: Seasun Key Specifications/Special Features: Main features1.High reliabilityFrequency tracking, noise filtering and low distortion in inverter output because of double-conversion design2.High adaptabilityA wide range of input frequency, which realizes stable operation of fuel generators3.High optimal performance of the battery. An intelligent battery management technology, which guarantees a longer battery life and decreases the times of the battery maintenance4.An advanced constant-voltage charge technology, which activates the battery to the most extent, saves the charge time and guarantees a longer battery life5.Overall and reliable protection. A power-on test function, which can avoid the faults because of hazards of the inverter6.Overall automation protection and alarms such as output overload protection7.Efficient IGBT inversion technology good high-speed switching feature, large-voltage and large-current operating characteristics, and voltage drive of IGBT