​Plugs, Connectors & Accessories

An MC4 connector is a single contact electrical connector specifically designed for joining solar panels. These plugs are the industry standard for outdoor solar wiring because they feature a locking mechanism that prevents accidental disconnection and a weather resistant seal that keeps out rain, moisture, and outback dust.

Their durable construction is built to survive years of exposure on a roof rack or caravan roof. The internal tinned copper contacts provide a low resistance connection that helps maintain charging efficiency over time. Using these dedicated connectors ensures your solar array remains secure and functional even in the most demanding Australian environments.

Explore our 12V Solar Panels to find compatible panels, or find a regulator in our Solar Controllers collection.

The Anderson plug is the superior choice for a camping fridge. Standard 12V cigarette lighter sockets are prone to vibrating loose on corrugated tracks, which can lead to a loss of power and spoiled food. They also have higher internal resistance, which creates heat and leads to a significant voltage drop that starves your fridge of the power it needs to run efficiently.

An Anderson plug provides a secure, self cleaning connection that locks in place and handles high current draws without getting hot. This makes it a far more dependable option for off road travel where constant vibration is a factor. Switching your fridge to an Anderson connection is a simple way to improve the stability of your entire 12V system.

Upgrade your setup with our 12V Distribution Boxes or browse our larger Power Distribution Boxes for more connection points.

Grey and red Anderson plugs are not compatible and will not plug into each other. Anderson plugs are designed with a mechanical lockout feature where only plugs of the same color can be connected. This is a safety measure used in the 12V industry to prevent accidentally plugging different voltages or circuits together.

Typically, grey plugs are used for standard 12V battery and accessory connections. Red plugs are often used for 24V systems or dedicated solar inputs. This clear color coding helps you manage your wiring safely and avoids costly mistakes that could damage your electrical components. Always ensure you match the color of your plugs when building or expanding your off grid system.

Explore our range of connectors to find the right color and size for your project.

Converting MC4 solar connectors to an Anderson plug is best done with a pre made adaptor lead. This is a common requirement for travelers who want to connect a permanent roof mounted panel to a portable battery box or a vehicle side input.

Using an adaptor avoids the need to cut and join factory wiring, which keeps your system tidy and flexible. It allows you to easily swap between different panels or charging points as your setup grows. Before connecting, always double check the polarity of the leads with a voltmeter to ensure the positive and negative wires align correctly with your regulator or battery.

Find the right connection in our Anderson Plugs collection, or explore our full range of Solar Adaptors.