... factors.Performance Assurance1) 3 years warranty for PV module, materials and corresponding fittings;2) 90% output ... and OEMOur related products: solar panel system, solar street light, solar lamn lamp, solar yard light. Please visit ... OEM service too, contact us for further info.230W Solar Panel Specifications (Test condition: 1000W/m2, AM1. ... years -20% of power12-21 230W Polycrystalline Solar Module