How Long Can A Fully Charged Car Battery Last

New and fully charged car batteries will last around two weeks before needing to be charged.

How long can a fully charged car battery last. How long can a car sit before a car battery dies. Car batteries have a finite lifespan. Most car batteries which are in good condition will last at least two weeks without needing you to start the car and drive to recharge it according to the AA.

The time will depend on any functions that are still running as these will drain the battery quickly. Timespan may vary but three years is an average time to check the remaining energy in a car battery. Older batteries will go flat much more quickly.

But if you dont intend to drive your car for some time for whatever reason you should still start it up once a week to recharge the 12V battery. Charging a battery that while connected to your vehicle can sometimes affect the cars electronic systems. If the new battery is fully charged when you stop using it and is disconnected from ANY drain from the car including the security systems it will retain its charge for about 3 months.

On average a car battery can last between two to five years. The most common rate for car battery chargers is around 4 amps. When stored properly a detached car battery can last up to six months.

Also if the vehicle is driven daily the battery lasts much longer. Car enthusiasts and experts have greatly varying opinions as to the actual lifespan of an average car battery. Under an hour with a multi-stage charger.

This habit will keep your batteries charged at consistently low levels which will wear them out sooner than expected. It will get discharged entirely from 2 to 3 months. If you know your car is to be laid up for months on end buy a trickle charger and leave it attached to the battery switched on.