... )Power range:220W-250W 2)Mono-crystalline solar panel 3)Certification:CE,ROSH,Beijing Test Report Mono-crystalline solar panelYLT220-YLT250 Technical Paramenters:ModelYLT250YLT240YLT230YLT220Voc ... (mm)Weight21.5kgCertificatesCE,ROSH,Beijing Test RrportApplicationsLarge and Medium-Sized Solar Power Station, Household Solar Power System, etc 250W solar panels