Canadian Solar = Mono Cells, B.O.B, 25/25 Year Product/Output Warranty, Up To 19.4 PercentSolaria = Mono Cells, B.O.B, 30/30 Year Product/Output Warranty, Up To 20.2 Percent EfficiencyREC = Heterojunction Cells, B.O.B, 25/25 Year Product/Output Warranty, Up To 21.1 Percent EfficiencyUREQ Cells = Mono Cells Q.Antum, 25 Year Output Warranty, Up To 19.6 Percent EfficiencyHyundai = Mono Cells, B.O.B, 25/25 Year Product/Output Warranty, Up To 20.5 Percent EfficiencySilfab = Si Mono PERC Cells, 30 Year Linear Power Performance Guarantee, Up To 20.2 Percent EfficiencyTrina = Mono Cells, 25/25 Year Product/Performance Guarantee, Up To 21.1 Percent Efficiency