50 Watt 18 Volt ETFE Semi Flexible Sunpower Solar Panel


  • Our SunPower panels perform better than standard silicon panels in extremes of temperature and deliver excellent low light level performance.
  • The panels allow for easy transport,installation and flexing up to 30 degrees.
  • High Efficiency Monocrystalline SunPower®cells (22–25% efficiency levels)
  • Ultra thin and lightweight design.
  • UV resistant for longer life.
  • Suitable for 12 Volt Battery Charging.


Typical Electrical Characteristics:

  • Maximum Power at STC*(Pmax): 50 Watt
  • Optimum Operating Voltage (Vmp): 17.6 V
  • Optimum Operating Current (Imp):2.88 A
  • Open-Circuit Voltage (Voc): 21.5 V
  • Short-Circuit Current (Isc): 3.1 A
  • Maximum System Voltage:  45V DC
  • Output power tolerance:-3/+3%
  • Standard Test Condition(STC*) : Irradiance 1000W/m2, Temperature 25°C, AM =1.5

Mechanical Characteristics :

  • Cell Type: Monocrystalline Sunpower Cells
  • Number of Cells : 32 pcs in series(4X8 Array)
  • Output Cables: 2.5mm²,14 AWG,900 mm Long
  • Junction Box: PPO Insulation Material with by-pass diode for 50 Watt ,IP65 Rated
  • Connectors: MC4 Connectors
  • Surface Coating: Durable,high-transmission ETFE Film
  • Grommets: Stainless Steel
  • Frame: None
  • Dimensions(L*W*H): 555x540x3 mm
  • Net Weight:1.1 KG
  • Safety Class : A

Temperature Coefficients :

  • Operating Module Temperature: -40°C to +85°C
  • Nominal Operating Cell Temperature (NOCT): 45±2°C
  • Temperature Coefficient of Pmax: -0.38%/°C
  • Temperature Coefficient of Voc: -0.27%/°C
  • Temperature Coefficient of Isc: 0.05%/°C

* FroSun Technology Co.,Ltd reserves the right to change any product without prior notice.