2 AWG Gauge 39″ Copper Battery Cables 5/16″ Insulated Lugs – Pair Black and Red 2 AWG Gauge Copper 39" Inverter Battery Power Cables. Wire size: 2 AWG. These quality cables are the OEM cables used with the PowerDrive 2000 and 3000 watt inverters. All copper conductors. Conductor: Copper. byJuly 3, 2026