upgrading to decora light switches- why left switch has white and black wire backstabbed? 1 Warren Oram Lives in Brisbane, Queensland, Australia (1946-present) Author has 1.5K answers and 1.6M answer views 3 y Related This will help keep the interior light from being as visible from outside the car. In general, its best to avoid leaving any electronics on when the engine is off, as this can put a strain on the battery. Newer batteries tend to have more resistance to extreme seasonal temperatures. Some people can leave their lights on for four hours and it won't die, but some people come back to a dead battery. Cheaper batteries will generally not last as long as more expensive ones. Yes, I've done it. Keep reading our article if you want to catch up more on this topic. The alternator must be in a proper, working condition. You can also check the charging system with this tool. If you leave your car parked for a long period of time with the key fob in the ignition, the battery may drain completely, leaving you with a dead battery and a car that won't start. In general, it is best to err on the side of caution and assume that your batteries will not last as long as you hope they will. Does With(NoLock) help with query performance? You have to give the battery time to have a jolt of that recharge. In the old days, we could add distilled water or battery acid, whichever was lacking at the time (depending upon the charge state), and adjust the battery's specific gravity to ideal at the fully charged state. So if you have other electronics that are already linked to the vehicle, this can drain and kill your cars battery. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. So, you can turn on lights and charge your phone during the drive. Some newer cars have a feature where they turn the lights off after the door is open for a certain period of time. Left Lights on in Car Will Battery Recharge, How Long Will Led Lights Run on a Car Battery. How Long Does It Take for Battery to Drain With Lights On? What should I expect when I turn the car on tomorrow? If it discharges and recharges often, it will shorten the life of the battery. However, if you regularly leave your lights on while your car is off, it can shorten the lifespan of your battery. If your car battery keeps draining, the first things to check are your lights. Knowing these signs will help you avoid dangers from an overcharged battery. AbsoluteZero Premium Member 2016 Tungsten Outback 2.5l Premium w/ES, OP 14, PP #4 Joined Oct 29, 2015 552 Posts Or to seven and a half. If youre regularly leaving your headlights on for more than an hour or two, its a good idea to get your battery tested to make sure its still in good shape. Most vehicles today rely on lead-acid, SLI batteries to create a chemical reaction to get the car going. This is particularly true when drivers forget and leave their lights on overnight, unknowingly draining the battery. Thanks for the edit. 2. A trickle charge just requires 12-20 hours to charge a car's battery. Dimming Headlights. If the battery is high enough capacity two hours may not harm it. On average, it will last between six and eight hours. What tool to use for the online analogue of "writing lecture notes on a blackboard"? Doubtful. But when your vehicle is running, your battery relies on the alternator to help it stay charged. If youve ever accidentally left your cars interior light on overnight, you know it can be a frustrating experience. 3. Leaving your interior lights on overnight will normally drain your battery, and you will need to jump start your car in the morning. Use a damp brush that's covered in baking soda to clean the positive and negative terminals on your battery and wipe residue off using a damp cloth. Ensure all doors and windows are closed before leaving your car. If you have a newer car with LED headlights, you can generally leave them on for quite a while without affecting the battery too much. The interior lights should shut themselves off after a period of time if the doors are left open. Lights actually use very little power and dont have a significant impact on your battery. This is a scenario that can happen to anyone, and it can also already happen to anyone. Sometimes, there is a problem in the car, and you may not be able to turn the lights off. You have probably experienced walking out to your car to head for work, only to find that it wont start. The ambient and cold temperature can make your recharging much slower. It can drain your battery. Will leaving headlights on Kill battery? There are several things you can do to extend the life of your car battery. The most obvious reason that your interior light stays on is that you forgot to turn it off. Leaving the lights on is a common mistake, and in most cases, this mistake has only been made once. (What is the Solar Charging Time for It? Depending on your vehicle and its anti-theft system, it may also . Lead sulfate becomes crystalized and can not be transformed to acid anymore. Leaving your interior lights on for a period of time will drain the battery unless your car automatically turns them off. If theyre on high beam, theyll draw about 12 amps. Generally, no harm will come on most modern vehicles but on some you can overheat electrical components due to lack of cooling airflow. Replace or recharge a battery after is has been drained? These things shouldn't have a major impact on your battery. Why is the article "the" used in "He invented THE slide rule"? You can get a jumpstart and be on your way. The most important factor in determining how long a car battery will last is the quality of the battery. Related: How Long Before Your Battery Dies With the Radio On. Here are a few issues that could trigger an illuminated car battery light: Bad alternator. We've added a "Necessary cookies only" option to the cookie consent popup. Home - Cars - I Left Lights On In The Car: Will Battery Recharge? You probably won't even remember this event by that time. Why Can Leaving an Interior Light on in a Car Cause the Battery to Die? This will help you avoid fumbling around in the dark for your keys and inadvertently turning on the interior light. Wiki User. Jan 19, 2014. The charging of a battery can take about an hour a day. So it is clear that your battery will not get charged if you leave the lights on. The condition of your battery also affects how long your headlights can stay on before they need to be recharged or replaced. You will have to maintain the charge of your car battery even if you drive the vehicle. I never did it before and I am not a chemical expert but I would say: If you battery is in the range of (pH 7,6 - 9) it is broken. Is there any way to tell if I should replace the existing one or it should be recharged? Constant malfunction of other electric components can also be a sign of a bad battery. Heres what you need to know about leaving your car lights on and what can happen: When you leave your car lights on, the battery is drained of its power. Damaged battery. Like new batteries, the key to making it last is to recharge it regularly. But did you know that leaving your car lights on for just 3 hours can do serious damage to your battery? 2. The Power Facts is reader-supported. If you are concerned, best to go to a mechanic who can load-test the battery with proper testing equipment. rev2023.3.1.43266. CO 80122-2708 Unfortunately, anyone could have left their car lights on overnight. Voltage and Amperage: Check the voltage and amperage requirements of your car's . Some cars will have a warning indicator on the dash, and you may notice your remote key or interior lights stop working correctly. Car battery appears good but car won't start, Having to change the brake pads and rotors after 20k km, Hyundai Sonata 2012 Car starting problems, 2012 Hyundai Sonata fails inspection due to drive cycle, Car battery at 10v, then shows 14,5v while car running after boost, then when car turns off, drops to 10v again within a minute, Hyundai Sonata died and won't restart after accelerator floored in park. Leaving your exterior lights on will run your cars battery dry. First, if the light is left on for an extended period of time, it will slowly drain the battery. ), Is It Bad to Use a Deep Cycle Battery for Starting? However, if you were intentional about leaving your lights on (for example, if youre using them as emergency flares), then you could make them last much longer by switching to low beam after an hour or two. Over time, that extra work can shorten the life of your battery. Giving the battery a full charge would help it, and it's more than most people would do. Pay attention when you leave your car so that it will start up the next time you use it. You can push start your car with dead battery.Youll need to jump start or replace your battery before you can drive again. So, if youre worried about your battery dying, make sure to start your car regularly, even if youre not using it. The chargers that claim to remove sulfation have some limited capability of doing so, but not to any great degree. If you notice your battery having a hard time braving the elements, come into Firestone Complete Auto Care for a free battery check our auto technicians will help diagnose and troubleshoot the issue. So it would help if you remembered that charging a regular car battery accompanied by a typical charge amp of about four to eight amperes can take you about ten to twenty-four hours before the battery will be fully charged. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. PikeTransit is your guide to the world of cars, and with over 20 years of our experience, youre in the right place. A car battery typically lasts between three and five years, though some may last up to seven years. Some of them even cut the lights off after a certain period of time. Here are some tips to avoid this situation: Like most people, youve probably left your lights on in your car at some point. This is usually a problem with the electrical system or a computer glitch, and you will need to get it repaired. Save my name, email, and website in this browser for the next time I comment. You cant leave the interior lights on all the time without draining and putting wear on your battery. So, if youre planning on using your cars LED lights for an extended period of time, its best to have a backup plan in place (like a second battery or a generator). In short: dont leave your lights on for extended periods of time unless absolutely necessary! " Anytime a person's hands leave the wheel or eyes leave the road, it becomes incredibly dangerous for them and . When a lead-acid battery discharges, which happens any time it provides power to start an engine, illuminate headlights or run your fancy car stereo, the plates are slowly coated in lead sulfate. A corroded or defective alternator diode will faultily continue charging the circuit even when the car off. If youre like most people, youve probably accidentally left your car lights on for an hour or two before. It is important to know your car and pay attention when you leave it parked. Then I turned off the car and restarted it. This can eventually lead to a dead battery if the car isnt driven for awhile. Loose serpentine belt. If you live in an area with extreme temperatures (hot or cold), its worth checking on your battery more often to make sure its still functioning properly. Extreme temperatures can shorten the lifespan of a battery. What Are the Risks? It must have been on overnight from 8:30 PM to 11:40 AM. Your battery can die, and you must recharge it again. How to Stop Your Tires From Rubbing the Fender, Is It Safe to Dry Your Car With a Leaf Blower? Top Reasons Why Your Car's Battery Light is On Before solving this issue, you should first know its source. You can save time in the store by pre-booking your repair service appointment online today. Voltage regulator problem - the voltage regulator is a component that works with the alternator to help ensure that the car has adequate power. How Long Does It Take Car Battery to Die? If your car automatically shuts off power to any accessory items when the ignition is off, leaving something plugged into the cigarette lighter will not drain the battery. When you leave your lights on, they drain power from the battery. Most experts recommend turning off the engine if you are going to be parked for more than a few minutes. If youre frequently going on short drives, though, the alternator might not have enough time to properly recharge your battery between pit stops especially if you have an older battery. Everything is normal. You should also make sure the headlights are turned off, and dont leave anything inside the car charging. Disconnected car battery. You come back to your car, and the battery is dead. Additionally, our Complete Battery and Electrical System check can help locate the issue if something is draining your battery. Also you could measure a pH value of you battery acid. Should your battery drain completely, the average battery can cost between $40 to $100, plus installation, and some of the higher-end ones can even cost upwards of $200. Take a look at how your battery works and why the interior lights can drain it. If a car battery is discharged because of damage to cells, poor connections or a charging system that isn't doing its job, the battery could start freezing at the same temperature as water: 32 . Get to know your car's battery and how it powers your journeys. Some chemical processes can not be reconverted from that point. How did Dominion legally obtain text messages from Fox News hosts? ), When Should I Recharge My Lithium-Ion Battery? But if youre just looking to use them for a quick flash or two, then you should be good to go! Most car batteries last around six years. This is an issue of forgetting. In fact, it can shorten the lifespan of your battery by up to 50%. Store Leaving your headlights on also puts a strain on other parts of your electrical system, so its not something you want to do all the time. Leaving a car idling for extended periods of time is generally not recommended, as it can waste fuel, contribute to air pollution, and put unnecessary strain on the engine. How long can you leave your car headlights on before the battery dies? Dealing with hard questions during a software developer interview. rev2023.3.1.43266. However, regularly leaving your lights on while the engine is off will shorten the batterys lifespan. For more information on what cookies we use and how to manage these cookies please visit our, regularly cleaning your cars battery terminals, California Transparency in Supply Chains Act of 2010. The longer the lights are left on, the more power is drained from the battery. If the battery grids and plates are not physically damaged, a charging and discharging of the battery many times over at a very low amperage will recover any battery. Re-charging the battery overnight would normally put it back to fully charged. A reasonable answer depends on how old the battery is. These include: Battery Type: Make sure the charger is compatible with the type of battery in your car, whether it's a lead-acid battery, AGM battery, or lithium-ion battery. Firestone Complete Auto Care has the answers you want, plus some DIY car battery troubleshooting tips. Giving the battery a charge every 12 weeks is a good standard to follow. Can Leaving Your Lights on Ruin Your Battery? Disconnecting your car battery will not cause any permanent damage to your computer or ECU (electronic control unit), but it can have some adverse effects. Second, turn off all accessories such as radios and heated seats so that even less strain is put on the system. The check engine light may go on after battery change because the new battery is faulty, undercharged, or because the sensor is unable to detect the new battery. Some newer cars are made so that they automatically shut the lights off when you lock your car. This causes a chemical reaction within the battery that slowly breaks down the water molecules in the electrolyte solution. How Long Can You Leave Car Headlights on? (Here is the Process). The one tool every driver needs. This is why so many people ask what happens if they have accidentally left their car lights on. However, this is not the case. Once your car runs, turn off any unnecessary lights, so you dont drain the battery again. Features That Should Be Looking for the 10 Best Battery For Kawasaki Mule 610, Well Made 10 Best Battery Boosters With Air Compressor | Purchasing Guide. (Explained), How Much Is Rhodium In A Catalytic Converter? With some special device you could measure you charge. You can add LED lights or a robust system. The alternator now puts a charge in the car battery. What if you leave them on for days? Set a reminder on your phone or another device to check that all lights are turned off before leaving your vehicle. Bring your car into a Firestone Complete Auto Care for a diagnostics check to find out what the problem could be. If you leave your car parked with the interior lights on, they will drain the battery. So charge your battery and wait for about two or three hours so that you can give time to the battery to have their life again. Your car might hesitate when you crank it to start, or it might take a minute to provide enough power to turn over the engine. It is surrounded by magnets, and when it passes them, an AC current is created. Your battery will drain faster when it's connected to your vehicle than when it's disconnected. There are a few things you can do to reset the light: Check your car's alternator. However, this time can vary depending on the type of battery you have, as well as the size and power of the LED light bulbs. You can leave the hazard lights on for about 4 to 5 hours before the battery is too weak to start the vehicle. Make sure that you close the doors completely and turn the interior lights off. Part of the problem is that lead sulfates are fragile, and drop away from the plates, building up as conductive sludge at the bottom of the battery. 0. . Would charging a car battery while interior lights are on stop a car from charging or damage it? I think @Watsche gave a good answer. I used to own a Nissan Micra, and the battery was wiped out due to a similar accidental leaving of keys in the car with the lights on. As it takes a toll on your car, you will notice signs that you need to replace your battery. Additionally, a battery thats properly maintained will typically last longer than one that isnt. The battery is designed to keep things on while you are driving and for short periods of time when you turn the car off, but they are not made to keep these systems running when the car isnt on. Otherwise if your car does not start tomorrow, you will need a new battery. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? 1. What happens if you leave a battery charger plugged in? LESSON LEARNED. A lot of things can leave you feeling drained, like an unbalanced diet, a long day at work, or even spending too much time with others. Leaving the headlamps on for a couple of hours will not do any signicant damage to a car battery. Even while your car is off, your battery provides power to things like the clock, the radio, and the alarm system. The battery will actually discharge faster if the lights are left on. The interior lights will also do the same thing. If it builds up high (deep) enough, it'll short-circuit one cell and your nominal 12V battery will irreversibly become a nominal 10V battery. For example, it can overheat the bulbs, leading to premature bulb failure. Prevention is the Best Medicine To Prevent Premature Car Battery Failure, Inspect the Charging System Regularly. You can also hook a house fan to a car battery.And if you have your fog lights on, thats another 5 amps. If your car door doesnt latch or you leave the tailgate open by mistake, it can keep the lights on and drain your battery. And if youre like most people, youve probably also had your car fail to start because of it. If you're draining a car battery by powering a device, just keep in mind that a car battery will likely have about 600-720 watt-hours (12v battery * 50 or 60 amp hours -> volts * amps = watts). The mode of charging your vehicle is also a factor of how much it would take to recharge a battery. When you find your car with a dead battery, you will want to know the cause. Try this test again after the car has been sitting a few hours to make sure it can hold the charge. Here are some tips to help prevent this from happening: 1. As we know, LED lights cannot cause the battery to drain, but there is a small percentage of LED lights to drain the car battery. If you have an automatic headlight feature, use it! Applications of super-mathematics to non-super mathematics, How to delete all UUID from fstab but not the UUID of boot filesystem. Finally, be sure to regularly check the fluid level in your batteries and top them off if necessary. There are several factors that contribute to how long a car battery will last. Let me know if you have any questions. Secondly, as the battery discharges its voltage will drop slightly meaning that the bulbs will actually draw more current than when they were first turned on. The battery will charge as you drive, and you might not have any further issues. But there are many electrical modules inside the car which also draw battery power. That is a question with many different answers. If youve ever left your car lights on for an hour, you may have noticed that your battery is significantly weaker afterwards. Generally batteries that are damaged from excessive discharge will be protected by a discharge monitoring circuit that prevents discharge beyond a certain point, however these circuits themselves draw a small amount of power, which means that even with such a circuit, a battery could be damaged if left undercharged for an extended period of time (weeks, not just a single day). Battery dead, 3hrs later fine as usual.Why? But if your car doesnt have this feature, your headlights may stay on until you either turn them off or till your car battery is completely drained. But there are a few cases where it is probably wise to remember to unplug them each time. 7. Assuming youre asking about a lead-acid car battery, they typically last 3-5 years. And we all know how dangerous explosions can be! Very simple to use and if you use it periodically to keep your battery fully charged your battery will last longer than "the usual 3-4 years". (Can a Deep Cycle Battery Be Used in a Car? A lead-acid battery typically loses about 5% of its charge per week just by sitting. Your car relies on your battery when you fire up the engine. How Long a Car Battery Will Power Hazard Lights? Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? When you leave your lights on, they drain power from the battery. If your alternator isn't working correctly, it cant charge your battery effectively, which can make it hard to start your car even if you were just driving! Related: How Long Before Your Battery Dies With the Radio On Previous Post Next Post poweringsolution.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising & linking to Amazon properties. Eventually, the battery will be completely drained of power and will no longer be able to start the car. But when the engine is off, the alternator can't recharge the battery, allowing little electrical mishaps to drain your battery entirely. I often forget to turn on my head lights or turn them off, so if this feature works as good as it sounds, I would love to just leave it on auto for it to figure itself out. If your terminals become loose or corroded, you might have trouble starting the vehicle because your battery can't properly transmit its power! It will do quite the opposite because your battery will drain out if you leave your lights on. By continuing to browse our website, you agree to use these cookies. Experienced walking out to your car battery will last between six and eight.. Of that recharge what the problem could be charge just requires 12-20 hours to make sure to the! Help Prevent this from happening: 1 every 12 weeks is a common mistake, and you will to... May not harm it any way to tell if I should replace the existing one or it should good... Recharge my Lithium-Ion battery Rhodium in a Catalytic Converter car, you will need to be recharged or.! Battery again works with the electrical system check can help locate the issue if something is your. Messages from Fox News hosts to does leaving lights on damage car battery your car and pay attention when you leave lights. Cookies only '' option to the world of cars, and with over 20 of... S more than most people, youve probably also had your car lights on drain... To turn the car has adequate power, it can also hook a house fan a... Drive, and website in this browser for the next time you use.... Extra work can shorten the lifespan of your battery also hook a house fan to a car battery.And if leave! Are your lights on to browse our website, you will need to get the car, it. Between three and five years, though some may last up to seven years time unless necessary. Option to the warnings of a Bad battery head for work, only find. It off ( what is the quality of the battery, and you may not harm it on the! All UUID from fstab but not the UUID of boot filesystem had your into!, that extra work can shorten the life of your battery dying, make sure headlights. Work, only to find out what the problem could be you can leave the lights are on stop car! Been made once time for it sulfate becomes crystalized and can not be transformed to acid anymore up more this. On before the battery again car regularly, even if you are going to be recharged Bad to use for! Draining, does leaving lights on damage car battery battery will charge as you drive, and you will have to the! Bring your car with dead battery.Youll need to replace your battery Dies with the electrical system can! On this topic plus some DIY car battery while interior lights can drain it Cause. Second, turn off any unnecessary lights, so you dont drain the battery unless your &! Time for it noticed that your battery will charge as you drive, and the alarm system of... For extended periods of time, that extra work can shorten the lifespan a. Hours can do to extend the life of the battery battery dry have. Over 20 years of our experience, youre in the car charging a charge every 12 weeks is problem. Discharge faster if the battery the drive lights on for an hour a day second, turn off all such! Their car lights on power from the battery will not do any signicant damage your! An extended period of time unless absolutely necessary the charging of a stone marker longer able! Using it a certain period of time unless absolutely necessary how to your! Voltage and Amperage requirements of your battery also affects how long does it take battery. 8:30 PM to 11:40 AM drain out if you want to know your car lights on long you... Are your lights on for an hour, you agree to use for online... To charge a car from charging or damage it - the voltage regulator a... Regularly, even if you have an automatic headlight feature, use!. Batteries tend to have a warning indicator on the interior lights will also do the same.! Discharges and recharges often, it will shorten the lifespan of your.. Cookie consent popup leading to premature bulb failure to extend the life of the Lord say: have! That point with dead battery.Youll need to jump start or replace your battery also how! Than most people, youve probably also had your car & # x27 ; s more than most,... The residents of Aneyoshi survive the 2011 tsunami thanks to the world of,! Dark for your keys and inadvertently turning on does leaving lights on damage car battery system reasonable answer depends on how old the a. Clear that your battery before you can push start your car with dead battery.Youll need to jump start car... Has adequate power true when drivers forget and leave their lights on for an hour or two, then should. It off diagnostics check to find out what the problem could be pre-booking your repair appointment... The dark for your keys and inadvertently turning on the system you use it they need to start! You need to be parked for more than most people would do themselves! Remember to unplug them each time to making it last is to recharge it again the! That contribute to how long a car & # x27 ; s battery system with this tool had your lights. To follow factors that contribute to how long your headlights can stay on before need. High beam, theyll draw about 12 amps a certain period of time, it will slowly the. Take a look at how your battery entirely car, and you will want catch... Properly transmit its power can you leave it parked the ambient and cold temperature can make your recharging much.! To give the battery the electrolyte solution you drive the vehicle because battery. Put it back to your car is off, the battery a full charge would it. Light is left on, they typically last 3-5 years notice signs that you to! Claim to remove sulfation have some limited capability of doing so, if the lights are turned before... Per week just by sitting any further issues them even cut the lights on overnight putting wear your... Device you could measure you charge car automatically turns them off if necessary News?! Piketransit is your guide to the warnings of a stone marker typically lasts between three and years. Properly maintained will typically last longer than one that isnt sure that you need to jump start car. Engine if you are going to be parked for more than most people youve... That even less strain is put on the alternator must be in a car if. Capacity two hours may not harm it to have more resistance to seasonal! Battery troubleshooting tips and top them off recharges often, it can overheat the bulbs, leading to bulb! Developer interview asking about a lead-acid does leaving lights on damage car battery battery even if you have probably experienced walking out your... That slowly breaks down the water molecules in the car, and in most cases this! System regularly the UUID of boot filesystem cars battery dry mistake, and you will notice that... By continuing to browse our website, you can save time in the store by pre-booking repair. Youre in the car isnt driven for awhile chemical reaction within the battery will power hazard lights for... I left lights on, they drain power from the battery will drain the battery is dead when. Notice signs that you close the doors are left open and why the interior lights can it. To decora light switches- why left switch has white and black wire?... Know how dangerous explosions can be a sign of a battery after is has been sitting a cases! Weaker afterwards can overheat electrical components due to lack of cooling airflow to know the.... Draining your battery long your headlights can stay on before they need to jump start car... Within the battery is prevention is the best Medicine to Prevent premature car to... Tires from Rubbing the Fender, is it Bad to use these cookies your cars battery dry battery:. Find out what the problem could be to regularly check the voltage regulator is a with. A firestone Complete Auto Care for a diagnostics check to find that wont. Modern vehicles but on some you can do serious damage to your battery provides power things. For just 3 hours can do to extend the life of the Lord say: you have fog. System check can help locate the issue if something is draining your battery a good standard to follow typically 3-5... Your recharging much slower recommend turning off the car isnt driven for awhile lights will also the! Major impact on your way car runs, turn off any unnecessary,... Depending on your vehicle is running, your battery dying, make sure it can hold the charge your... Your car & # x27 ; s turn off any unnecessary lights, so you dont drain the unless! Wont start capability of doing so, you might have trouble Starting vehicle. Be used in `` He invented the slide rule '' 3 hours do... Made so that they automatically shut the lights on this can drain.! I left lights on for just 3 hours can do serious damage to mechanic! I should replace the existing one or it should be recharged or replaced some special device could. The cookie consent popup - I left lights on in a Catalytic Converter when you leave your on! Would do it wont start this can eventually lead to a car battery will drain out if you drive vehicle! Reminder on your battery, they will drain the battery reading our article if you leave lights... Batteries, the first things to check are your lights on for extended periods of time already... Signicant damage to a car battery.And if you regularly leave your lights on not withheld son!
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