How Long Will My Car Battery Last Without An Alternator. If your car wont start or the battery runs down repeatedly checking the alternator is a good idea. Want to know how to avoid getting a flat battery and what you need to do if you go to drive your car and the batterys.
Starting a car takes a lot of power. A good alternator and can last well over a decade sometimes as long as 15 to 20 years. How long will a car battery last without an alternator.
When you drive without a functioning alternator your vehicle can only go for around Twenty-five miles before the battery is empty if you had a fully charged battery.
If your alternator isnt working your car can barely do more than start before you begin losing power. Starting the car flattens the battery down quickly. It entirely depends on the capacity of the car battery. If the battery does not have a full charge the vehicle may run from 5 to 30 minutes.
