Xantrex Technologies Solar Panel

Xantrex Technologies Solar Panels: Engineered for the Demands of Off-Grid Life

When it comes to reliable, purpose-built solar power for marine vessels, RVs, trucks, and specialty vehicles, Xantrex Technologies occupies a unique position in the market. Unlike generic solar brands, Xantrex approaches its solar panel lineup with the same engineering discipline that has made the brand a trusted name in inverters and power management — designing panels specifically for the vibration, moisture, and unpredictability of life on the water or the open road.

The Solar Max Flex Series: Where Flexibility Meets Durability

The flagship of Xantrex's solar offerings is the Solar Max Flex line, available in 115W, 115W Slim, 220W, and 330W configurations. These panels feature proprietary mesh grid technology that allows the panel to flex up to 180 degrees without impacting power output — made possible by approximately 2,000 contact points per cell. That engineering detail is not cosmetic: subjected to extreme environmental and accelerated lifecycle testing beyond regulatory standards, the Solar Max panel was tested to be 50 times more durable than a standard flexible panel.

A key differentiator for the Solar Max line is its ETFE top layer. This highly protective Ethylene-Tetra-Fluoro-Ethylene coating allows for better light transmittance, corrosion resistance, stain resistance, weather resistance, and overall superior durability over a wide temperature range, compared to non-ETFE semi-flexible panels. For boaters dealing with salt spray or RVers crossing desert terrain, that coating matters enormously. Furthermore, the Solar Max panel can harvest up to 20% more energy during the day in low light or shaded conditions compared to a standard solar panel.

The Solar Max panels feature a peel-and-stick adhesive backing that removes the need to glue or drill your flexible panel — an installation-friendly detail that makes them accessible to DIY users and professional installers alike.

Portable Kits: Plug-and-Play Solar Anywhere

For users who need solar power without a permanent installation, Xantrex offers portable folding kits. The portable flexible solar panel kit features a lightweight and foldable design for easy transport and storage, including a 100W monocrystalline panel with an integrated 10A charge controller for versatile off-grid charging. Users have the ability to connect to their batteries using ring terminals, battery clamps, or an SAE connector for pre-wired RV solar ports, and adjustable tilting legs allow the user to orient their panels at the perfect angle toward the sun. These portable kits fold into an easy-to-store configuration and are ideal for applications where it may be impractical to have a permanently mounted solar panel.

Rigid Panels: Low-Maintenance Marine Performance

Xantrex Rigid Solar Panels provide a maintenance-free, renewable solution to maximizing battery life and prolonging power supply, incorporating 5 busbars and PERC (Passivated Emitter and Rear Contact) mono-crystalline cells — a cell technology that increases module efficiency significantly over standard solar cells. Designed specifically for marine and vehicle use, the panels are extreme vibration-tested to ensure they can withstand rough seas and the most rocky and mountainous road travel with no power loss.

Why Xantrex for Solar?

• PERC mono-crystalline cells with 5 busbars for industry-leading efficiency
• ETFE coating for saltwater resistance, UV protection, and long-term durability
• Mesh grid technology enabling true 180° flex without power loss
• Up to 20% more energy harvest in low-light or shaded conditions vs. standard panels
• Tested 50× more durable than standard flexible panels under accelerated lifecycle testing
• Multiple form factors: rigid, flex, portable — from 100W to 330W

Whether you're topping off house batteries on a sailboat, running a basecamp off-grid, or keeping an RV powered through a long haul, Xantrex solar panels are purpose-engineered for the task. Explore the full solar panel category or browse all Xantrex Technologies products to find the right fit for your system.