Car Battery Earth Cable Size

Below we reference the two things you must double check when sizing your battery cables.

Car battery earth cable size.

It ensures you have power stay on task and avoid battery drain. I recommend building cables larger than stock. This will be more than efficient to carry the current. In summary when selecting the correct size of battery cable you need to take into account the total maximum amperage your electrical system requires the voltage of your system usually 12 volts the total length that your cables need to be and the amount of voltage drop you are willing to accept versus the amount you want to spend.

Once you got it get new terminals clean the points on the body and battery. For example if your component uses 100amps of continuous current choose flex20 rated at 135amps if you know the wattage of the component to be wired and you need to know what the amperage is divide the wattage. Regards to your problem the bigger the cable and the more copper the better. Select your car contact free click collect.

For very long cables for example 15 foot long battery cables to relocate your battery go one size larger. If you want to do it properly then a big 3 upgrade is the way to go. 1 pack 3 2 pack 11 size clear. Going up a size or 2 is worth it in the long run.

Working out the size of cable you will need. 10 inch 1 12 inch 2 15 inch 1 18 inch 1 21 inch 1 24 inch 1 36 inch 2 42 inch. Battery cable lugs 1 battery lead 11 battery terminals 23 vehicle fitted clear. The manufacturers make stock battery cables as small as possible but still get the job done.

Yes 2 no 33 quantity clear. If you know the amperage of the component you are wiring then choose the next size cable up allowing a fair amperage capacity margin. Go to a car sound place ask them for a 0 gauge amp cable. But to enable this you need to make sure the sizing is correct.