Factory direct selling Pure sine wave inverter DC: 24-48V , AC:190V-250V, efficiency: >92% CE & ROHS APPROVED, ... or directly connected to any applicable DC power supply power (including battery)¤ AC 0 angle with high precision ... rate of only <1%,thus achieving high precision AC and combining with the phase modulated output.¤ Synchronous ... the output more efficient. High frequency 300W dc to ac inverter