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Originally Posted by bagofpucks
Question about the “auto start/stop being hard on batteries” comment. It totally makes sense, but if I assume if I turn the “auto stop/start” off every time that it mitigates that issue?
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Oh that will certainly help. The problem is when the vehicle is "off" (not idling but running) for the 30 seconds, everything that is running is running directly off of the battery. What is happening is the battery is cycling during that time, think of it as operating like an RV battery. Your vehicle is equipped with a starting battery however, not a deep cycle (rv) battery. So when your lights are on, radio is running, heater is going all while the engine is shut off, the battery is just tearing through its plates. The design of a starting battery is quick plate shedding to create the higher Cranking Amps vs a cycling (rv) battery that has thicker plates designed to shed slower, for the purpose of a lower draw over a long period of time. One 30 second shut off is about the equivalent of 6-8 starts.