How long does the battery last without starting the car?
We got back from a 4 week vacation, and the car's battery was mostly dead
and would not start. It worked fine after using jumper cables to start it and
driving it to charge it up again. How long does the battery last without starting
Your vehicle does have parasitic battery draws so if the battery was at 100% it would last approximately 3 weeks before it would not have enough amperage to crank the engine. This is why they make battery tenders for vehicles that sit for extended periods. You should never try recharging a dead or very weak battery with just the alternator, doing so greatly reduces the life of the alternator, some have even failed while instantly due to the high demands. So I recommend that you have the battery and charging system tested, if the battery suffered any it will show it on a load test. As for the alternator, some will show a drop in output but not always.
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#3Bernadel Jean FelixReputation690
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