... 2).Certification:CE,RoHS, ISO90012008,ISO140012004 The description of monocrystalline silicon solar panelCharacteristicsDescription Maximum Power250Wp Power Tolerance1%-3% Optimum operating voltage35V ... -0.5±0.05%/C Cell brandbaode Cell typeMono-crystalline silicon solar cell solar cell156*156mm number of cell(pcs)6 ...