Sunpower 50w Semi-Flex Solar Panel SPR-E-Flex-50


Made with SunPower’s highest power Gen II back contact cells, SunPower’s flexible panels deliver the highest power output and the highest charging capacity in their product class.


SUNPOWER 12v 50w Monocrystalline Semi Flexible Panel:

Easy and Low Cost Installation:

You can install the Sunpower panels with adhesives and/or use of stainless steel grommets in the panel. The panels have standard quick connect cables. An easy-to-follow installation guide is also provided with each panel.


5 years of limited power warranty of 80% of the minimum specified power rating. Designed in the USA and assembled in France.

SunPower® flexible panels are lightweight and portable, so you can take them on your next adventure. Plus, The Sunpower panels feature the highest-efficiency solar cells available which as a result means more power or faster charging times for solar compatible batteries.

Designed for ToughnessThe SunPower Maxeon® Solar Cell is the only cell built on a solid copper foundation. As a result, SunPower cells are resistant to power loss via cracking and corrosion, unlike conventional cells, which are much more likely to lose power when bent or subjected to a moist environment. SunPower flexible panels are the #1 choice for customers due to the combination of high power and cell ruggedness.

Made with SunPower’s highest-efficiency Maxeon® solar cells, The SUNPOWER 12v 50w Monocrystalline Semi Flexible Panel delivers the most power and highest charging capacity in its product class.

Sunpower manufactures their panels using a top-grade, lightweight polymer material, allowing for easy transport, installation, and flexibility up to 30 degrees. They come with MC4 male and female connectors that can connect easily to solar compatible devices.

SUNPOWER 12v 50w Monocrystalline Semi Flexible Panel – SPR-E-Flex-50

Weight 1.1 kg
Panel Dimensions 653 x 556 x 20 mm with junction box
Warranty: 5 years limited power warranty of 80% of the minimum specified power rating.

Designed in the USA and assembled in Philippines.


  • Model: SPR-E-Flex-50
  • Nominal Power(Pnom): 50 W
  • Power Tolerance: +/–3%
  • Rated Voltage (Vmpp): 17.7 V
  • Rated Current (Impp): 2.8 A
  • Open-circuit voltage (Voc): 21.5 V
  • Short-circuit current (Isc): 3.1 A
  • Power Temp Coefficient: –0.35%/° C
  • Voltage Temp Coefficient: –58.9 mV/° C
  • Current Temp Coefficient: 2.6 mA/° C
  • Max. System Voltage: 45 V
  • Series Fuse Rating: 15 A
  • Solar Cells: Prime monocrystalline 23% efficiency SunPower IBC cells
  • Junction Box: TE 1-21-2152049-1 with by-pass diode
  • Connectors: Tyco (PV4-S)
  • Cables: 4 mm2, 12 AWG, 450 mm long
  • Grommets: 316 Stainless Steel
Download Datasheet

Additional information

Weight 1.1 kg
Dimensions 653 × 556 × 20 mm


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