290w solar panel ,POLY, grade-a ,top quality ,OEM MAX RATED POWER 290POWER TOLERANCE ±5%MAX POWER VOLTAGE 37.2VMAX POWER CURRENT 7.80AOPEN CIRCUIT VOLTAGE-OVC 45.0VSHORT CIRCUIT CURRENT-ISC 8.40AMAX SYSTEM VOLTAGE 1000V Certification: ISO9001, ISO14001, ISO18000, TUV,CE and Gold Sun.Warrnty: 5years limited product warranty,10 years at 90% of the minimal rated power output 25 years at 80% of the ...