The iGreely 10 gauge wire can be used for solar panels, DC circuits, Boat, Marine, Automotive, RV and inverter wiring. PV Wire PV Jacket insulation is thick and sturdy, coated well and very flexible, UV Resistant. Wide temperature range: -40°F to 248°F (-40°C to 120°C), rated voltage is 600V, resistant to acid, alkali, oil and strong oxidation. Chemical, flame, aging, weather resistant and electrically insulating. Heat-shrink tubing insulates wires and one end crimped with 3/8 inch battery terminals, coming with a pair of 5/16 battery terminals can be easily DIY with tools. Positive and negative cables to connect the charge controller to the battery, also can be used as solar wires with tools to cut and crimp with new connectors.