The Renogy 20 ft 12 AWG Solar Panel Extension Cable Set – featuring MC4 male and female connectors in red and black wires – is shown standing upright against a white background, making it ideal for use as an extension cable in off-grid solar systems thanks to its UV and weather-resistant design.

Renogy 20 ft 12 AWG Solar Panel Extension Cable Set – MC4 Male & Female Connectors, UV & Weather Resistant

5FT12AWG
$17.24
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The Renogy 20 ft 12 AWG Solar Panel Extension Cable Set – featuring MC4 male and female connectors in red and black wires – is shown standing upright against a white background, making it ideal for use as an extension cable in off-grid solar systems thanks to its UV and weather-resistant design.
  • The Renogy 20 ft 12 AWG Solar Panel Extension Cable Set – featuring MC4 male and female connectors in red and black wires – is shown standing upright against a white background, making it ideal for use as an extension cable in off-grid solar systems thanks to its UV and weather-resistant design.
  • Four black MC4 connectors from the Renogy 20 ft 12 AWG Solar Panel Extension Cable Set are attached to two red and two black electrical cables, standing upright against a white background. Featuring UV and weather-resistant construction, these cables are ideal for ensuring reliable connections in off-grid solar systems.
  • Set of two black Renogy MC4 connectors attached to red wires, labeled as the "Renogy 20 ft 12 AWG Solar Panel Extension Cable Set – MC4 Male & Female Connectors, UV & Weather Resistant," shown with an IP65 water resistance symbol featuring water droplets above them on a white background—perfect for off-grid solar system cable extensions.
  • A pair of Renogy 20 ft 12 AWG Solar Panel Extension Cables with black MC4 male and female connectors, each featuring screw caps and detailed close-up views of the metal internal terminals. The connectors are prepared to easily join for a secure electrical connection, making this UV & weather resistant set ideal for extending solar panel wiring in off-grid solar systems.
  • Renogy 20 ft 12 AWG Solar Panel Extension Cable Set, featuring MC4 male and female connectors, UV and weather-resistant red electrical wire with a labeled diagram illustrating the jacket, insulation, and tinned copper conductor—ideal for off-grid solar system extensions. A yellow warning sign indicates its UV resistance.
  • Diagram showing a solar panel connected to a charge controller, battery, and inverter with labeled wires—using MC4 connectors and the Renogy 20 ft 12 AWG Solar Panel Extension Cable Set (MC4 Male & Female Connectors, UV & Weather Resistant)—illustrating a basic off-grid solar system setup.
  • The Renogy 20 ft 12 AWG Solar Panel Extension Cable Set, featuring red and black cables with MC4 male and female connectors, is coiled side by side on a white background—perfect for securely connecting off-grid solar systems. These extension cables are UV and weather resistant for reliable outdoor use.
  • A pair of Renogy 20 ft 12 AWG red solar panel extension cables with black MC4 male and female connectors are shown on a white background. These UV and weather-resistant cables feature MC4 connectors positioned close together but not connected, making them ideal for linking components in off-grid solar systems.
  • A pair of Renogy 20 ft 12 AWG Solar Panel Extension Cables featuring black MC4 male and female connectors, shown with close-up insets highlighting the internal metal pin and socket terminals, both pre-attached to cables against a white background—ideal for off-grid solar systems thanks to their UV and weather-resistant design.
  • A close-up view of the Renogy 20 ft 12 AWG Solar Panel Extension Cable Set—featuring red insulation with exposed silver strands at one end and equipped with MC4 male and female connectors—designed for use as a solar panel extension cable in off-grid solar systems, and built to be UV and weather resistant.
  • Diagram showing a solar panel connected to a charge controller using the Renogy 20 ft 12 AWG Solar Panel Extension Cable Set with MC4 male and female connectors, featuring UV and weather resistance. The cable links the charge controller to a battery and an inverter, with red and black lines illustrating the wiring commonly used in off-grid solar systems.
  • Two black Renogy 20 ft 12 AWG solar panel extension cables, each with MC4 male and female connectors, are shown unplugged and attached to red wires. The "IP65" label and water droplet icon highlight their dust- and weather-resistant, UV-protected design—making them ideal for off-grid solar systems.
  • The Renogy 20 ft 12 AWG Solar Panel Extension Cable Set features two black MC4 connectors with threaded caps and blue rings, each highlighted by a circular inset on the right to display the internal metal terminals—perfect for connecting solar panel extension cables in off-grid solar systems.
  • Renogy 20 ft 12 AWG Solar Panel Extension Cable Set—featuring red electrical wire with a tinned copper conductor, clearly labeled insulation and jacket layers, and a yellow UV warning symbol in the top left corner—is UV and weather resistant, making it ideal as a solar panel extension cable for off-grid solar systems or use with MC4 connectors for reliable outdoor performance.
  • Diagram of an off-grid solar panel system wiring: the solar panel, connected via MC4 connectors and the Renogy 20 ft 12 AWG Solar Panel Extension Cable Set with MC4 Male & Female Connectors (UV & Weather Resistant), links to a charge controller, which then connects to a battery and an inverter—clearly illustrating power flow and component connections.
Renogy 20 ft 12 AWG Solar Panel Extension Cable Set – MC4 Male & Female Connectors, UV & Weather Resistant

Renogy 20 ft 12 AWG Solar Panel Extension Cable Set – MC4 Male & Female Connectors, UV & Weather Resistant

$17.24
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Reliable performance with precision-tested power delivery.
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Energy-efficient design reduces heat and power loss.
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Description

Extend the distance between your solar panels and charge controller with the Renogy 20 ft Solar Panel Extension Cable Set. Featuring heavy-duty 12 AWG copper conductors, pre-installed MC4-compatible male and female connectors, and UV-resistant weatherproof insulation, this cable pair provides a reliable connection for off-grid solar systems, RVs, campers, cabins, and portable solar installations.

Extend Your Solar System with Confidence

Whether you're mounting panels on an RV roof, positioning portable solar panels in full sunlight, or designing an off-grid solar installation, the Renogy 20 ft Solar Extension Cable Set provides the flexibility you need without compromising reliability.

Built with durable 12 AWG copper conductors and weather-resistant insulation, these cables are engineered for long-term outdoor performance.

Industry-Standard MC4 Connectors

Each cable comes pre-installed with rugged MC4-compatible connectors for quick, secure installation.

Features include:

  • 1 Male connector
  • 1 Female connector
  • Locking waterproof connection
  • Tool-free installation
  • Secure snap-lock design

Compatible with most solar panels and charge controllers using standard MC4 connectors.

Heavy-Duty 12 AWG Cable

The 12 AWG conductors help minimize voltage drop while supporting efficient power transfer over longer distances.

Benefits include:

  • Lower resistance
  • Improved charging efficiency
  • Reduced power loss
  • Suitable for higher-current solar systems

Ideal for solar arrays ranging from 100W to 400W.

Built for Outdoor Solar Installations

Designed specifically for photovoltaic (PV) applications, the cable is constructed to withstand demanding outdoor conditions.

Features include:

  • UV-resistant insulation
  • Weatherproof construction
  • Sunlight-resistant jacket
  • High and low temperature resistance
  • Long outdoor service life

Perfect for year-round installation.

Flexible Installation Options

Ideal for:

  • Portable solar panels
  • RV solar systems
  • Camper vans
  • Marine installations
  • Tiny homes
  • Cabins
  • Ground-mounted arrays
  • Roof-mounted solar panels
  • Portable power stations with MC4 input
  • Off-grid battery systems

TÜV Certified Solar Cable

Each cable is marked with TÜV certification, indicating compliance with recognized photovoltaic cable standards for solar applications.

Designed specifically for reliable outdoor renewable energy systems.

Technical Specifications

Specification Details
Product Type Solar Panel Extension Cable Set
Brand Renogy
Cable Length 20 ft (Each Cable)
Wire Gauge 12 AWG
Conductors Red (+) & Black (-)
Connector Type MC4 Male & Female
Cable Type PV Solar Cable
Weather Resistant Yes
UV Resistant Yes
Waterproof Yes
Certification TÜV Tested
Recommended Systems 100W–400W Solar Arrays
Color Red & Black
Condition Brand New

Why You'll Love It

Proper cable routing is essential for an efficient solar installation. The Renogy 20 ft 12 AWG Solar Extension Cable Set provides the flexibility to position solar panels where they'll receive maximum sunlight while maintaining a secure, weather-resistant connection. Whether you're expanding an RV solar system or building a permanent off-grid installation, these cables deliver dependable performance in virtually any environment.
Shipping

We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Manufacturing

Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.
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20 ft 12 AWG MC4 Solar Panel Extension Cable Set

20 ft 12 AWG MC4 Solar Panel Extension Cable Set

Extend your solar panel installation with this Renogy 20 ft extension cable set featuring heavy-duty 12 AWG copper conductors, pre-installed MC4 male and female connectors, UV-resistant weatherproof insulation, and TÜV-certified construction. Ideal for portable power stations, RVs, off-grid solar systems, marine installations, and 100W–400W solar arrays.
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Frequently Asked Questions

How do I choose the right cable or connector for my setup?
Start by confirming the connector type, supported data or power standard, and required length. Cables that look similar can support very different speeds and wattage levels. The products in this collection are selected for accurate specification and build quality, but performance depends on matching the cable to your device’s requirements. Check the product listing for power rating, data capability, and compatibility to ensure safe and optimal operation.
What latest standards do these new arrivals support?
Our newest arrivals feature the latest ATX 3.0 and PCIe 5.0 support, specifically designed to handle the high power spikes of next-generation GPUs without any system instability.
Are the new models more energy-efficient than previous versions?
Definitely. Our new arrivals utilize advanced GaN (Gallium Nitride) technology or improved digital circuitry to minimize heat waste and provide higher efficiency even at lower loads.

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