350W BC Flexible Monocrystalline Solar Panel

  • 350W High-Efficiency BC Mono Solar Cell, >23.5% Efficiency
  • Ultra-light flexible panel, only 4.79kg, wide bendable curvature
  • Fits curved RV, van, yacht & irregular roof surfaces
  • IP67 waterproof dustproof junction box
  • Wide temp range: -30℃ ~ +75℃
  • Stable power output under low-light cloudy conditions
  • Pre-wired MC4 connectors, plug-and-play easy install
  • ETFE glass-free surface, anti-UV & anti-salt spray
  • No built-in battery, airline portable
  • Perfect for off-grid, RV & marine power solutions

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Our 350W BC Flexible Monocrystalline Solar Panel serves global wholesalers for RV, marine and off-grid power projects. Boasting over 23.5% conversion efficiency, it delivers consistent power output even in low-light cloudy environments. Weighing only 4.79kg, this ultra-thin bendable panel conforms seamlessly to curved vehicle and roof surfaces. Its premium ETFE surface offers marine-grade salt spray and UV resistance, paired with a sleek full-black flush-mounted profile. Equipped with universal MC4 connectors, it is compatible with most mainstream 48V portable power stations. Backed by a 5-year warranty, complete industry certifications and customizable OEM support, it is a profitable high-performance product to expand your renewable energy lineup.

Core Product Advantages

  • High-Efficiency Power – >23.5% BC back-contact monocrystalline silicon, 350W rated power, low power attenuation.
  • IP67 Rating – Dust and waterproof junction box, built to withstand harsh outdoor environments.
  • Wide Flexible Performance – Freely bends to fit curved vehicle roofs, RVs, vans, yachts and irregular rooftops.
  • Premium ETFE Surface – Wear-resistant, anti-UV and anti-salt spray, no fragile glass structure.
  • Lightweight Build – Only 4.79kg, easy to mount on vehicles and transport outdoors.
  • Wide Operating Temperature – -30°C to +75°C, stable power generation in extreme hot and cold conditions.
  • Excellent Low-Light Performance – Maintains high power output under dim light for steady power supply.
  • Standard MC4 Connector – Pre-wired design for fast connection with 48V batteries and portable power stations.
  • Authoritative Global Certifications – ISO, UL, CE, FCC, RoHS certified with 5-year industry-leading warranty.
  • Versatile Off-Grid Power – Ideal for RV living, marine use, outdoor camping and remote off-grid electricity supply.
  • We also offer OEM/ODM services for bulk orders of this solar panel.
Package Includes

  • 1 × 350W BC Flexible Monocrystalline Solar Panel
  • 1 × 30cm MC4 Solar Connection Cable
  • 1 × User Manual

Product & Packaging Specs

  • Model: GT-SP-S350
  • Special Feature: Wide Bendable Flexible, BC Back-contact Solar Cell
  • Material Type: Monocrystalline Silicon, ETFE
  • Low-light performance: >80% @ 200W/m²
  • Application Class: Class II
  • Efficiency: >23.5% Top Grade BC Mono Cells
  • Bending radius: ≥25 cm (static) / ≥9.84 inches (static)
  • Product Dimensions: 66.3440.830.1 in
  • Product Weight: 4.79 kg
  • Electrical Parameter: Pmax=350W, Vmp=54V, Imp=6.5A, Voc=63V, Isc=6.7A
  • Junction Box Rating: IP67
  • Max System Voltage: 600V DC
  • Operating Temperature: -30°C ~ +75°C

Product Specifications

Frequently Asked Questions (FAQs)

What’s the core advantage of your 350W flexible BC solar panel over conventional flexible solar panels on the market?

This panel adopts BC back-contact mono cells with conversion efficiency over 23.5%, no front grid line shading loss, far better low-light power generation than ordinary flexible panels. It uses marine-grade ETFE surface with IP67 waterproof junction box, and the 350W high power fits 48V energy storage systems perfectly, bringing higher profit margin for your RV & marine wholesale business.

Can this 350W panel be installed on curved RV, yacht and irregular roof surfaces? What is its bending radius?

Yes, it supports static bending with a minimum bending radius of 25cm, which can closely fit curved vehicle roofs, yacht hulls and uneven rooftop surfaces. It is ultra-thin glass-free flexible design without cracking risk during curved installation.

What battery system voltage does the 350W flexible solar panel match? Is it compatible with mainstream portable power stations?

Its maximum power voltage Vmp is 54V, specially designed for 48V lithium battery systems. Equipped with standard MC4 connectors, it can match most mainstream 48V portable power stations and MPPT controllers on the market.

Does this solar panel work stably in extreme high and low temperature environments? What’s the operating temperature range?

The operating temperature range is -30℃ ~ +75℃. It maintains stable power output under severe cold, high temperature and strong sunlight, suitable for global all-region outdoor off-grid projects.

What certifications does the 350W BC flexible solar panel have? How long is the product warranty?

We have complete global certifications including CE, UL, ISO, FCC, RoHS. We provide 5-year official product warranty, which helps you reduce after-sales pressure for bulk wholesale.

Do you support OEM & ODM customized service for bulk orders of this 350W flexible solar panel?

Yes, we support flexible OEM & ODM services for large bulk orders, including custom printing brand logo, packaging customization, cable length adjustment and parameter fine-tuning to meet your regional market demands.

What’s the full package accessory list of each 350W solar panel unit?

Each set includes 1 piece of 350W flexible BC solar panel, 1pcs 60cm MC4 connection cable and 1 detailed multi-language user manual.

Is the ETFE surface of this panel resistant to salt spray and UV corrosion for marine coastal sales scenarios?

Absolutely. The premium ETFE lamination delivers marine-grade anti-salt spray and anti-UV performance, it won’t turn yellow or decay under long-term coastal sea wind exposure, ideal for yacht, boat and seaside off-grid projects.

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