SPHERE MC4 1.5m Extension Cable

The SPHERE MC4 range delivers professional-grade solar connectivity designed for modern caravan and RV installations. Each cable and branch lead has been engineered to simplify setup, maximise current flow and reduce cable clutter. Built from high-quality, heavy-duty components, these leads ensure long-term reliability under the harsh conditions of outdoor travel. Featuring pre-assembled MC4 connectors and IP67 waterproof protection, the SPHERE range offers a clean, weather-sealed solution for extending or branching solar arrays. Every product in the series is designed to minimise voltage drop, handle high current output beyond the 30A MC4 limit, and resist UV, moisture and corrosion. Whether youre linking panels or extending reach, SPHERE delivers the confidence of a precise, factory-grade connectionready for life on the road.

Compact, reliable and ready to install, the SPHERE 1.5m MC4 extension pair is ideal for bridging short gaps between solar panels or charge controllers. Each cable is made from durable 4mm twin double-insulated solar wire, pre-fitted with waterproof MC4 connectors for a clean, tool-free connection.

Built to IP67 standards, these cables resist UV, heat and corrosion, ensuring consistent performance in tough outdoor conditions.

• Length: 1.5m (pair)
• Cable: 4mm twin double insulated
• IP67 waterproof rating
• Pre-assembled MC4 male and female connectors
• Designed for outdoor use moisture, UV and corrosion resistant
• Model/Part No: C2C1.5M4MM-MC4

Will this fit my setup?

This is a genuine Sphere part — cross-check the part reference and your existing equipment before ordering, or contact us to confirm.

Is this a genuine Sphere part?

Yes, this is supplied as a genuine Sphere replacement part.

Does it come with a warranty?

Yes, covered by Sphere's manufacturer warranty against defects.