specialized in the R&D, manufacturing, and sales of solar modules, solar energy systems, and solar street lights, etc. Sunworth has passed ISO9001:2008 and its products got the international authoritative certifications such as TuV, IEC, CE, ETL, and golden sun, etc.
Passed TUV, IEC, CE, ETL tests
Protections: Surge, Reverse polarity, Overload, Short circuit, etc.
The off grid solar power systems cost