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Old 08-27-2021, 10:00 AM   #1
superfan86
Getting Wild
Club Car
 
Join Date: Jun 2020
Location: Charleston, SC
Posts: 110
Default Lithium and cable gauge: Does it matter?

I'm on my 2nd lithium conversion and have moved more into the performance category.

Both my RoyPow 36v and my new BigBattery HSKY 48v 6 AWG cables. BigBattery is also rated at 350 amps for 6 seconds, which is a fairly significant load.

I understand fundamentally the advantage of a larger gauge cable, but I also understand that it is a function of length and resistance.

The amount of cable used from the lithium pack to the controller is already 6 feet shorter vs lead acid and power is flowing from the highly available lithium vs the 6 lead acid batteries in series, which seems like it would also reduce the resistance of the system significantly.

Before I go spend more money, does a lithium cart even benefit from going to a larger cable?
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