To provide maximum power from the battery to the starter. This battery cable is best for carrying electricity. The 18" Red Battery Cable Assembly - Ancor - 189141 (1-189141) is constructed with Ancor's premium UL1426 tinned copper battery cable. This battery cable is fine-stranded for maximum conductivity and flexibility. Also, it is flame retarded, UV inhibited, rated 600V and 105 degrees celsius. The 18" Red Battery Cable Assembly - Ancor - 189141 (1-189141) has lugs that are made of tinned copper to avoid corrosion and will last longer. It has heat-shrink tubing that seals out moisture and other corrosive elements found in the marine environment and provides strain relief to ensure a long-lasting battery connection. Key Features: Constructed with Ancor's premium UL1426 tinned copper battery cable It has fine stranded to produce maximum conductivity and flexibility It is flame retarded, UV inhibited, rated 600V and 105 degrees celsius It has heat-shrink tubing that seals out moisture Specifications: Brand: Ancor SKU: 1-189141 UPC: 091887862843 Weight: 0.56 LBS Size: 3/8" Length: 18" Color: Red Cable Size: 2 Manufacturer Part Number (MPN): 189141 Battery cable is fine stranded to produce maximum conductivity and flexibility. Cable is flame retardant, UV inhibited, rated to 600 volt and 105 degree C. Lugs are tinned copper to avoid corrosion and last longer.