Marine grade, premium UL1426 tinned copper battery cable Marine grade, premium UL1426 tinned copper battery cableFine stranded to produce maximum conductivity and flexibilityFlame and UV resistantRated to 600 volts and 105°C / 221°FTinned copper lugs resist corrosionEach end features adhesive lined 3:1 heatshrink tubing placed over the electrical connection to seal out moisture and other corrosive elementsHeatshrink tubing provides strain relief for longer-lasting battery connection