[Jerry]

I have been an owner of various EVs for a few years now. I had a lot of problems with 12v batteries. Car would not go into gear and then had to disconnect the battery. Do I need to do something to maintain my 12v batteries in my EVs? Maybe buy a battery tester? I am open to any suggestions.

[James]

I figured that a 12v battery in an EV can become a problem. Once you start the car, the traction battery to 12v inverter drives the battery voltage and not the battery itself.

[Anthony]

You need to consider getting a battery monitor that logs data

[Author]

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