20' coil, 4 GA SAE J1127 Type SGX Automotive Cable is the solution to your wiring needs for battery cables and more. Not only are they useful in battery grounds, but SGX cable can also be used for automotive starters. This wire is ideal for work in an engine compartment of an automobile, as it has the high heat tolerance required because of its recommended range of -40°C to +125°C. This SGX wire is rated for 50 volts with a single stranded copper conductor insulated by cross-linked polyethylene (XLPE). This cable meets the requirements for SAE J-1127. Or will sell greater than 20' @$1.50/ft