How Long Does A Car Battery Last If Not Used. Some have had the dead battery problem because of a bad cell in the battery faulty battery cables a bad diode in the alternator or even a problem in the cars radio. Inside the car itll lose the charge in 8 weeks.
Sealed Lead Acid batteries should be charged at least every 6 9 months. How long a vehicle sits before the battery dies all depends on the car but there are steps you can take with any vehicle to preserve a batterys health. A SLA Sealed Lead Acid battery can generally sit on a shelf at room temperature with no charging for up to a year when at full capacity but is not recommended.
So if you dont start up andor drive your car often enough it doesnt get recharged by the alternator.
The typical electric car EV battery should last you ten year or more before the battery degrades but you have the comfort of a battery warranty from 8 to 10 year or 100000 miles to fall back on. A lead acid battery discharges over time. We took a look and this is what we found. How long a vehicle sits before the battery dies all depends on the car but there are steps you can take with any vehicle to preserve a batterys health.
