Black 4 Gauge / 4 AWG Custom Battery Cables  Copper Wire for Solar, Marine, Inverter. The cable is made in the US. You can choose the cable length, and the connectors. 

Part #: GK-BCWB4-[06/08/10][06/08/10]-[LENGTH in inch]

The cable is welding cable, which is much more flexible than SGT, SGX, STX battery cables. These battery cables are high quality, constructed from UL listed extra flexible copper wires.

Cable Specifications (subject to change without notice):
AWG (Gauge) Size: 4
Conductor Stranding: 413/30
Nomal O.D. (in): 0.370
Amps: 150
Approx LBS/MFT: 182
Min. Temp. -50°C
Max. Temp. 105°C
Cond. Material    Bare Copper
Insul. Material: Ethylene Propylene Diene Monomer Rubber (EPDM)
Others: UL 600V CPE 90°C, CSA Approved Welding Wire