low frequency pure sine wave inverter charger 1KW 2KW 3KW 4KW 5KW 6KW 12V 24V 48V

low-frequency pure sine wave inverter with AC charger and auto transfer switch system. Capacity: 1kw 1.5kw 2kw 3kw 4kw 5kw 6kw Voltage: 12V 24V 48V AC output: 110V, 120V, 220V, 240V 50/60Hzsingle phase Application: solar power system, wind solar system, hybrid solar-wind system, home backup system