DC Extension Cable 4 m – 5.5 × 2.1 mm Plug and Socket

DC Extension Cable 4 m – 5.5 × 2.1 mm Connectors

This 4 m DC power extension cable provides extra reach when connecting a power supply to a compatible solar inverter cooling kit. It is useful when the power socket is farther from the inverter or when the cable needs to follow a longer installation route.

The cable features a 5.5 × 2.1 mm DC socket (female) on one end and a 5.5 × 2.1 mm DC plug (male) on the other. It extends an existing power connection without modifying the original cable.

Key Benefits

• 4 m cable length: Provides additional reach for flexible power supply placement.
• 5.5 × 2.1 mm connectors: Matching male and female DC barrel connectors.
• Easy connection: Extends the existing DC power cable without modifications.
• Cooling kit compatibility: Suitable for our inverter cooling systems with matching DC connectors.
• Flexible installation: Allows the power supply to be positioned farther from the inverter.

Technical Specifications

• Product type: DC power extension cable
• Cable length: 4 m
• Input connector: 5.5 × 2.1 mm DC socket (female)
• Output connector: 5.5 × 2.1 mm DC plug (male)
• Purpose: Extending an existing DC power connection

Compatibility With Solar Inverter Cooling Kits

This extension cable can be used with compatible GoodWe cooling kits, SolaX cooling kits and universal inverter cooling kits that use a matching 5.5 × 2.1 mm DC power connector.

Important: Before ordering, check the connector dimensions, polarity and electrical requirements of your device. This cable only extends an existing DC power connection and does not replace the power supply.

Need a Shorter Extension Cable?

If you do not need the full 4 m length, see our 1.5 m DC Extension Cable .

For more compatible products, browse our Cooling Accessories or contact us if you need help choosing the right cable.