Battery dies after a couple days
2 Answers
If it's an old battery, like over four, that could be the reason. Or you might have an alternator that's failing to properly charge the battery. Or you might have an electrical short, called a parasitic drain, somewhere in the system.
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My 2013 was doing the same thing, would fully charge the battery, it would work great for a few days then it wouldn’t crank the starter, anyway it wound up being a bad battery, had a bad cell that would kill the others in a few days even thought the battery tested good after a recharge. Lousy sealed batteries.
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