Type Rigid | Cell type Monocrystalline 166x83mm | Number of cells 144 | Wattage 450 Watts | Voltage 38 V | Max current 8.9 A | Maximum system voltage 1500VDC | Module efficiency 20.4% | Temperature coefficient (Pmpp) -0.37%/℃ | Frame colour Silver | Operating temperature range -40 - +85 deg C | Dimensions 2108 x 1048 x 40mm | Weight 24.5 kg