off grid solar power system 1.High sufficient feature and ... % output power tolerance 3.Mono or Poly Characteristics of off grid solar power system l,High and stable conversion efficienly based ... Dimensions mm1650 x 990 x 50Weight Kg19.8Type of Junction Box TUV certified, IP65Cable Type, Diameter TUV certified, 4mm2, ... 3.2 mm, high transmission, low iron 20kw Polycrystalline off grid solar power system