100 foot spool of 2/0 gauge (AWG) black battery cable made from 133 strands of true 20 gauge copper conductor wire covered in a durable, high temperature resistant Black PVC insulation with a nominal outside diameter of 0.605 inches. Rated for use up to 60 volts, the 20 gauge copper stranding is highly conductive maximizing current flow while still being flexible. Ideal for connecting batteries, starters, amplifiers, and for solar use. Meets SAE J1127 specifications. Temperature rated from -50°C to 105°C (-58°F to 221°F). Made in the USA. RoHS Compliant.