... charger 2.CE,ROHS Approved 3.3-5days fast shipping 4,Max Efficiency>92% 1000w Power inverter with charger 12v 20A,24v ... frequency50Hz/60HZAC output waveform Pure Sine Wave Waveform distortion THD<2%(Linear load)Efficiency>88%>89%>90%>88%>89%>90%DC ... ,ROHS ,LVD,EMC Approved! 1000w Power inverter with charger 12v 20A,24v 10Amp