inverter with charger(UPS): 1)full convert power 2)High transfer efficiency,reach ... electric power/wind electric power,motive office,offer power to emergency work,outside work.2),GMT inverter Efficiency up to 90 ... ,no environmental protect,no maintenance,3.GMT power inverter (with charger UPS )specification details: ModelCA2000SpecificationINPUT DC12V, OUTPUT AC220VINPUTInput voltage12VWorking voltage ...