“Electrical devices or lights left running, a defective charging system or alternator, and extreme weather are some common reasons but maybe it’s just time to get a new battery.”
What is draining my brand new car battery?
A short circuit may cause excessive current draw and drain your battery. Check the charging system for a loose or worn-out alternator belt, problems in the circuit (loose, disconnected or broken wires), or a failing alternator. Engine operation problems can also cause excessive battery drain during cranking.
How do you stop a car battery from draining when not in use?
If so, here are some things you can do to save your car battery when it’s not in use.
- 1) Use a trickle charger or battery conditioner. …
- 2) Avoid turning your car on and then off again. …
- 3) Avoid short journeys. …
- 4) Drive your car for 15-20 minutes at a time. …
- 5) Alternate trips if your household has more than one vehicle.
What can cause a car battery to keep draining?
Electrical glitches in your car and car battery may be caused by factors such as poor installation, faulty fuses, and flawed wiring. These electrical glitches can result in the normal and expected parasitic drains on your car battery becoming excessive and drain the battery when the car is off.
What could cause a battery to drain overnight?
This can be a result of various factors including the number one cause which is leaving headlights, glove box lights, or cabin lights on overnight. Parasitic drain can also be caused by defective fuses, bad wiring, and poor installation of a new car battery.
Can a starter cause battery drain?
Reasons Your Car May Not Start
The starter will draw a charge from the battery. … The vehicle may still start; however, it will continue to draw too much power and will drain the battery.
Can alternator drain battery?
Obviously, batteries sometimes fail on their own–but a bad alternator can actually cause the battery to drain because it’s failing to recharge it. If your battery goes dead, have the alternator checked when replacing the battery so it doesn’t happen again.
How long does a new car battery last if not used?
If you’re dealing with a fully charged battery that’s relatively new and in perfect condition, it will take 2-3 months for it to lose its power completely. However, you’re probably pushing your luck if you let it sit idle for more than two months.
How often should you start your car to prevent the battery from dying?
The easiest thing you can do to prevent your car battery from dying is to start your car once a week and letting it run anywhere from 5 to 10 minutes. You can even take it for a drive around the block, which should provide just enough power to recharge the battery and keep it alive for another week or so.
How long should I idle my car to charge the battery?
If you find any of these cars start easily (the starter spins quickly), battery status is likely quite good, and a short drive or idling for 10 to 15 minutes may be adequate to keep the battery full, if done once every two weeks. If slower cranking is noted, a half hour drive once a week should do the trick.
What’s causing my battery to drain?
Google services aren’t the only culprits; third-party apps can also get stuck and drain the battery. If your phone keeps killing the battery too fast even after a reboot, check the battery information in Settings. If an app is using the battery too much, Android settings will show it clearly as the offender.
What drains an alternator?
Many cars power their lights, radio, and other systems from the alternator, which can make the battery drain worse if there’s a charging problem. The alternator may have loose belts or worn-out tensioners that keep it from working properly.