Rick's Free Auto Repair Advice

Posts Tagged: Car battery failure cause

Car battery failure — 7 most common causes

Car battery failure causes — the 7 most common causes Car battery failure cause #1 — Persistent state of low charge from non-use or short drives All batteries self-discharge when not used Car batteries are no different, they self-discharge at the rate of about 1% per day when not used. In addition to the self-discharge rate, auto computers draw a small amount of power 24/7 to retain memory and listen for commands from your keyless entry remote. Between the self-discharge and current draw from computers, most car batteries are severely … Read More


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