![]() While this battery drain may not seem like a lot, it adds up over time and may drain your battery to where it may not crank the engine. When your car sits, the battery still powers all of the memory stored for the various computer systems. Charge the Battery Weekly By Driving The Car For At Least 30 Minutes It's best to check your battery before extreme weather hits with a complimentary battery test at any Interstate All Battery Center ® or select repair locations.Ģ. If you must park outside with the alarm on, drive the vehicle for at least 30 minutes at highway speeds every few days to refresh the battery with a little charge.ĭid you know that fall and spring are the best times to test your battery? If you do leave it on, it will only drain your battery faster. If your car has a security system and is parked in a secure garage, consider leaving the alarm off. ![]() Turn Off the Security System to Save Your Battery Below are some suggestions to help make the most of that battery's performance and keep your car running longer.ġ. The amount of time a car sits before the battery finally dies depends on the car itself, but you can prolong the life of your battery. If your battery is three or more years old, it could really mean the end for your battery. But sitting unused for a long time could kill your battery. Typically, an alternator will charge the battery as you drive. From starting the car to running its accessories, the battery gives your car the power it needs. Your battery is an important part of your car. If you’re already seeing signs of a dead or weak car battery, you should consider visiting an Interstate All Battery Center ® today.īattery saving tips while your car is not in use Want to learn even more about what kills a car battery? Check out our post on How a Car Battery dies now. It would be wise if you also looked for signs that your battery might be failing, like a battery warning light, dimming headlights or interior lights or an engine that's slow to start. So, remember to get that all-important battery test regularly. Summer heat is brutal on batteries, and winter weather is even worse. If your car battery begins to die, you can often look for warning signs to prevent getting stranded. Accidentally leaving the lights on in your car can also cause parasitic drain and lead to a dead battery.Ĭar batteries generally last between three to five years, depending on your climate and how many accessories rely on your car battery. This means your battery is still powering things like the radio, the dashboard clock or even the alarm system when your car is not running. Your car battery can only last so long before it fails when you're not driving because of key-off drain.Īlso known as parasitic drain, this occurs when a car's electrical system continues to draw power from the battery-despite the vehicle being shut off. It delivers just enough electrical power to prevent the battery from discharging.How long does a sitting car battery last? A car battery can last about four weeks to two months before it dies. This device hooks up to your car battery on one end and plugs into a wall outlet on the other. If you want to keep those settings and ensure that your battery starts the moment you return, purchase a battery tender, also known as a trickle charger. You'll likely lose the stereo presets, time and other settings. The low-tech solution is to disconnect the negative battery cable. If you cannot arrange for someone to start the car, there are two other options. It is also a good idea to run the air conditioner to keep the parts in working order and the air quality fresh. It will maintain the battery's charge, help the car "stretch its legs," and keep the engine and other components adequately lubricated. ![]() Driving the car periodically has several benefits. Get someone to start the car every two weeks and drive it for about 15 minutes if possible. An unattended battery will eventually lose its charge. ![]()
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