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Simply Unbeatable | More Power in Less Space

SunPower® 50W E-flex solar panel - spec sheet


This 50Watt flexible panel is perfect for smaller boats or to trickle charge your batteries when not aboard.  Made with SunPower® 23% efficiency Gen II prime back contact cells, SunPower® flexible panels deliver the highest power output and the highest charging capacity in their product class. SunPower® panels are constructed with top-grade, lightweight polymer materials, allowing for easy transport, installation and panel flexing up to 30 degrees.


How much power will I get? With a 12V system an estimated daily yield for a single 50W panel is potentially around 16-17 amp hours.


Which MPPT controller do I need? With a 12V system pair a single 50W panel with a Victron 75|10, pair 2x50W panels with a Victron 75|10, pair 3x50W panels with a Victron 75|15.


Federal Tax Credit Net Price = File & receive the 30% Federal Tax Credit until 2032 more details on our Solar Tax Credits page 


Have a 24V/48V system?  Need more help sizing your MPPT charge controller?  Have other questions?  Visit our FAQ page or contact us, we're happy to help.



50 Watt

  • SunPower® 50W E-flex solar panel


    • Dimensions: 25.5"(L) x 21.9"(W) x 0.1"(H) (0.8" including J-Box)

    • Weight: 2.4lbs - Lightweight, Portable & Easy to Stow

    • Rated Voltage (Vmpp) 17.7V | Rated Current (Impp) 2.8A - Powerful

    • Flexible up to 30 degrees - Suitable for Irregular Surfaces

    • 32 High efficiency (23%) monocrystalline Maxeon™ Gen II prime solar cells - More Power in Less Space

    • Premium cosmetic quality

    • Junction box with by-pass diode has IP67 protection- Robust Design, Water & Dust Proof!

    • 17.7" long cables (12AWG) with PV4-S connectors (MC4 compatible) - Reliable & Safe with IP68 Protection

    • 4 x 316 Stainless steel grommets (5/16" I.D.) -  Diverse Installation Options

    • 5-Year power & 2-Year product warranty (no salt water exclusion) - Backed by SunPower

    • Solar cells made in the Philippines.

    • Solar panel assembled in Philippines.

    • Individually packaged & protected for shipping. Includes safety & installation guide

    • Manufacturing Certificates: ISO9001, ROHS

    • Spec sheet (pdf)

    • Marine flyer (pdf)

    • Installation guide (pdf) Rev F