Check the listing for details. Tonton 30FT 9M 8mm Extension Cable 12AWG for 30FT, -. Color: 8 mm extension cable 30 ft, Condition: New. Listed at 59.26 USD. [Maximize Your Solar Potential] Tonton 8mm extension cable allows you to strategically position your solar panels up to 300W, including popular options like the Solar Panel 100 Watt 12 Volt. The DC7909 cord is thoughtfully designed with flexibility in mind, allowing you to securely place your power station in a preferred location, ensuring a more secure setup when connected to solar panels.[Maximize Your Solar Potential] Tonton 8mm extension cable allows you to strategically position your solar panels up to 300W, including popular options like the Solar Panel 100 Watt 12 Volt. The DC7909 cord is thoughtfully designed with flexibility in mind, allowing you to securely place your power station in a preferred location, ensuring a more secure setup when connected to solar panels.