Solar Panel: 1,TUV ,CE, RoHS ,ISO900. 2,10 years quality warranty. 3,High transmissivity low iron toughened glass. TEST CONDITION TEST ... 50(MM)Number of cells 60PCSSize of cells(wide and high)156mm*156mm , MonocrystallineWeight per piece KG19.5KGSCertificates CE, ... 17.1%Quality guarantee 5years product warranty,10years 90% and 20yesr 85% of the power 240W Monocrystalline solar panel solar module