The material inside the battery line is brass wire, which has good conductivity and corrosion resistance
Both ends of the size: 10mm screw + positive (19mm)battery connector,can be installed in 8-10MM screw rods; can be used for battery extension, parallel connection, grounding
Polyolefin heat shrink tubing applied to form a protective seal. Type 3 boat cable wire stays ultra flexible even in the most extreme conditions
The lugs and joints are tin-plated copper coatings with excellent thermal conductivity, ductility