Custom length and terminal size 4 AWG EPDM (rubber) jacketed fine strand pure copper DC/battery cable. The jacket insulation is 105C rated, and the terminals we use are electrical grade copper, closed end, with a tin coating. All terminals are crimped and covered with adhesive heat shrink tubing. Give us up to 5 business days to assemble the cable before shipping. This cable is rated 180 amps continuous DC power at 32VDC for a six foot length. For 48VDC, de-rate it a bit.