Low Frequency pure sinewave inverter charger is very expensive stuff…they select me design LF PSW built in 40A 24V MPPT charge controller use by rural peapole at east malaysia sarawak long house…they want LF inverter for robust user…they tired and frequently blown SMPS PSW inverter china made not longer lasting…expicially inductive load such washing machine,blender,freezer and 0.5hp water pump..
Post time: Jul-06-2017