solar panel 40W

We are the manufacturer of solar panel in Shanghai, China. We have been in the field for 5 years and our volume of production over 50MW per year; we can supply you the higher quality product in reasonable price.The Electricity performance parameter of solar panel:Maximum power: 40WMaximum power voltage: 17.2VMaximum power current: 2.33AOpen circuit voltage: 21.6VShort circuit current: 2.49ANumber of cells: 36pcsSize of module: 697 x 507 x 25mmMaximum system voltage: 1,000VTemperature coefficients of Isc (%): +0.1/°CTemperature coefficients of Voc (%): -0.38/°CTemperature coefficients of Pm (%): -0.47/°CTemperature coefficients of Im (%): +0.1/°CTemperature coefficients of Vm (%): -0.38/°CNOCT: 48 + 2°CTemperature range: -40 to 80°CTolerance wattage: ±5%Surface maximum load capacity: 60m/s (200kg/m²)Weight per piece: 4.5kgJunction box type: PPO, blackConnectors and cables type: 4mm²Length of cables: 600mmCell size: 156 x 156mmCell efficiency: 13 to 16%Output tolerance: ± 5%Frame: anodized aluminum alloyStandard test conditions: AM1.5, 100MW/cm², 25°CWarranty:2 years for the whole productFor the power, 90% within 12 years, 80% within25 yearsFF (%): ≥73.3%