TF Series
Flexible Solar Panels

Tough Enough to Take a Hit. Strong Enough to Step On.

Purpose-built for off-grid energy — from RVs to marine decks and outdoor power systems.

Extreme Impact Resistance

Step-on Ready

Ultra-Lightweight Design

High Conversion Efficiency

Outdoor-Ready Durability

Deep Dive: What Makes TF Series Different?

High conversion efficiency

TF series uses the latest high-efficiency monocrystalline cells or Sunpower cells. Monocrystalline cells can achieve efficiencies of up to 22.8% and SunPower cells of up to 24.4%. This flexible solar panel has a higher conversion efficiency and can provide you with more power.

Extreme Durability

Built with advanced polymer composite and ETFE materials, TF panels resist corrosion, UV, and moisture — keeping stable output in salty air, rain, and strong sunlight.

Reinforced for Impact & Foot Traffic

TF Series panels are built with a reinforced multi-layer composite structure that absorbs impact and disperses pressure. With optimized cell spacing and a wear-resistant surface, they withstand physical stress like stepping and handling — without cracks or performance loss.

Tested Tough. Certified Reliable

TF Series

14,700-Step Foot Traffic Simulation

Real-world foot traffic tested over 49 days with power loss less than 3% and zero structural failure.

IP68 Waterproof & Dustproof IP68

Submerged 1m for 60 minutes — no water ingress.Exposed to 8 hours of vacuum dust — no dust entry.Certified to IEC 60529.

672-Hour Salt Mist Resistance

Complies with IEC 61701: Power degradation below 2% after 672 hours in high-salt, humid conditions.

260mm Flexibility Test

bent to 260mm arc for 5 minutes — no microcracks or damage observed via EL imaging.

Certifications

TF series

TF Series is fully certified with CE ,ROHS standards, ensuring top-tier safety and environmental compliance.

Designed for the Demands of Real-World Applications

TF Series in

Action

TF series flexible solar panel kit can be used in a variety of environments, such as yachts, RVs, rooftops, tents, outdoor camping, balconies, and other environments. Due to the light weight of the flexible panel, it can be hung for a long time, which greatly widens the use scenarios of the product.
Product Specifications
ModelSG-TF-M2-55WSG-TF-M2-100WSG-TF-M2-115WSG-TF-M2-140WSG-TF-M2-170WSG-TF-M2-210WSG-TF-M2-255WSG-TF-M2-285WSG-TF-S-55WSG-TF-S-110WSG-TF-S-155WSG-TF-S-210WSG-TF-S-255WSG-TF-S-295W
Voc21.8V28.5V22.3V27.1V24.5V40.7V48.9V27.1V23.3V23.3V32.1V43.8V52.5V58.4V
Vmp18.6V24.4V19.1V23.2V20.9V34.8V41.8V23.2V19.8V19.8V27.3V37.2V44.6V49.6V
Isc3.1A4.3A6.32A6.34A8.54A6.34A6.4A12.9A2.94A5.89A6.02A5.98A6.06A6.30A
Imp2.96A4.1A6.03A6.04A8.14A6.04A6.11A12.29A2.78A5.56A5.68A5.65A5.72A5.95A
Max System Voltage600V DC(IEC)200V DC(IEC)
Solar cellsMonocrystallinesunpower cell
Cell Efficiency>22.7%>24.4%
Colorblack/white
Warranty6 years
Weight1.15kg1.92kg2.26kg2.7kg3.29kg3.95kg4.73kg5.34kg1.3kg2.5kg3.4kg4.6kg5.5kg6.1kg
Dimension840*395*3mm960*580*3mm1110*590*3mm1020*765*3mm1220*780*3mm1495*765*3mm1790*765*3mm1500*1030*3mm560*550*3mm1070*540*3mm1450*540*3mm1335*800*3mm1590*800*3mm1335*1050*3mm

What Our Partners Are Saying

We’ve integrated TF Series into over 200 off-grid RV systems across Europe. Installation is faster, shipping is cheaper, and the panels have performed consistently in varying weather. Sungold’s support was responsive and professional.

— Luca F Technical Director, Off-Grid Integrator, Italy

TF panels solved our biggest challenge — installing solar on curved aluminum yacht surfaces. They’re lightweight, don’t require drilling, and look fantastic. We’ve reordered twice this year.

— Takashi M. Procurement Manager, Marine Systems Ltd., Japan

As a distributor in the German market, quality and flexibility are everything. Sungold’s TF panels passed our third-party lab tests with top marks. The ability to offer ODM versions with our logo was a big plus.

— Max H. Managing Director, GreenLine Distribution, Germany

We replaced glass panels with the TF series in several balcony PV projects. Customers preferred the aesthetics and ease of installation. Also, no breakage issues during transit — that’s a huge cost saving.

— Caroline W. Product Buyer, Residential Energy Solutions, France

We’ve worked with Sungold for 5+ years. Their TF Series has proven reliable across outdoor and mobile solar applications, including RVs and marine use. Timely delivery and responsive engineering support have kept our projects running smoothly.

— David L. Project Lead, Architectural Solar Group, USA

FAQs

Q:Can I walk on a flexible panel?

A: Yes—Sungold’s TF series with SunPower cells withstands a 100 kg point load over an 8 cm × 8 cm area (~150 kPa) without micro-cracking. Avoid hard-soled shoes or sharp objects, and add a removable tread mat on decks with frequent traffic to limit long-term power loss to about 2–3 % per year.

Can I customize the size, voltage, or layout?

Yes, customization is available for both Sunpower and monocrystalline models. We offer flexible ODM solutions for projects and distributors.

How long do flexible solar panels last?

Most ETFE flexible panels deliver 6 years of full-sun service. Lab cycling tests show heat spots and edge-seal fatigue are the main failure modes; choose models with multi-branch diodes and marine-grade potting to push life toward the 5-year mark.

How do these panels cope with shading?

Pick modules with string-level bypass diodes or Sungold’s Anti-Shading circuit; power loss stays below 17 % when one section is blocked. Legacy single-string designs can drop to zero under the same shade.

Do they work on curved metal roofs?

In most cases, we do not recommend bonding standard flexible modules directly onto metal roofs. The metal substrate conducts heat, raising cell temperature and accelerating polymer aging. Roof installations must also satisfy fire-resistance, wind-uplift, and electrical-insulation codes, yet many lightweight panels lack certifications such as UL 790 / IEC 61730 (fire rating) and ASTM E330 (wind load).
If lightweight, curved mounting is essential, choose a product that has passed UL 94 V-0 flame rating, IEC 61701 salt-mist, and UL 1703 Class A fire tests—for example, the Sungold PA219 flexible panel—and pair it with dedicated insulating pads plus mechanical fasteners rather than relying solely on adhesives.

Do you ship worldwide?

Yes, we export to 20+ countries across Europe, North America, and Asia.

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