Off-grid inverter is a special inverter that specialized in supporting solar and wind power system. It has the following characteristics: 
1.High transfor efficiency, highest can reach to 95%. 
2.Output ture sine wave 
3.Protection function completely, output short-circuit protection( take load short-circuit), overload protaction, DC overload or under-voltage protection. 
4.Strong ability of resist concussion, can loading all kinds of electric apparatus and industry equipments. Such as: air condition, refrigerator, television, fan, washer, fill water electric motor, tortile gate, and etc. 
5.The service life is long, can reach a decade.