Selecting the right battery cable

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Selecting the right battery cable is easy when you know what you’re looking for. The first thing to consider is the type of battery cable. The two most common styles are UL and SAE. UL is rated for 600V, has a thicker insulation, and more conductors. SAE on the other hand is rated for 60V, carries a thinner insulation, and offers less conductive material. This makes UL slightly heavier than SAE. Once you have the style chosen the next step is selecting the correct gauge. Battery cable typically goes from 6 gauge to 4/0 aught. The size will be determined by the power requirements as well as the length of the cable run. Use our convenient voltage drop calculator to help you determine the correct gauge and length of battery cable. The last consideration is color. The color of the insulation can be used to determine the purpose of the cable. Now you know the factors you need to consider when selecting a battery cable for your application. If you are using battery cable to create full assemblies, be sure to use high quality lugs and epoxy lined heat shrink to get a superior environmentally sealed connection.