1.0~+3% power tolerance. 2.TUV,UL,MCS,CE,ROHS,Golden Sun certified 3.Underwriting of 25years output power warranty by The Peo We adopt high transparent low iron, tempered glass and self-supporting solar cells in order to improve conversion efficiency on our solar modules and maximize the power generation in an unit area, so that reduced the cost.There will be precise electrical performance test ...