A trickle charger, will put a very slow charge to the battery and bring it back from the dead. Let the dead battery charge for a few minutes, and then turn the ignition on the vehicle of the dead battery to see if it starts. How long does it take to charge a dead car battery? Many people also ask “how long does it take to charge a dead car battery?” In fact, a dead car battery takes from The car battery is drained. A battery must be a room temperature for at least 12 hours before you test or charge it. I have been working with cars for 10 years, specialized in diagnostics and troubleshooting. As long as you are doing half decent speeds, the alternator will have enough current to charge the battery. Giving the battery a charge every 12 weeks is a good standard to follow. The most common rate for car battery chargers is around 4 amps. If the battery won't even take a charge, it's almost definitely dead and needs to be replaced. Idling or going for a short start trip would partly recharge it so you can survive until you can recharge it properly. In this article, you will get all the answers you want for this question, and a bit more! Automobile experts have experimented and proven that when driving your vehicle on high-speed lanes, charging of your car battery will take up to 30 minutes on average. The battery will demand a lot of current because of the fact that it has been discharged. How to Unlock & Start a Car With a Dead Key Fob, Short Block Vs Long Block Car Engine - Differences. Modern chargers are easy to connect and have battery charging monitoring, which will regulate the amps themselves. It’s better to choose a quality charger that gives lower amps instead. Any of these chargers here on Amazon will work, some of them cost only about $20 which is well worth it. Even after considering the fact that your battery is dead, it will not take an eternity for your battery to charge. You also have to take in mind the kind of car battery. In such a scenario, you will have to take the car to the nearest automobile technician that help you fix the alternator or replace it. The best way to charge a car battery is slowly. If you're intent on recharging your battery, you're going to need a battery charger. Faster charges will damage the battery over time. If you got a jump and think you can bring your battery back to full charge with a 15 minute drive, you’ll wind up with another dead battery. Fast charging can damage your battery and will make its life shorter. 20 minutes. You also have to look at the size of your car battery and the battery type. However, always be prepared to leave the charger on overnight in case it takes longer than expected. The process of jump-starting a car battery is not so difficult but, we recommend you consult a proper automobile technician if you are confused on how to do it by yourself. He currently contributes informative and easy to read articles on topics covering transportation, traffic updates, auto industry updates, and different car reviews. When driving your car on high-speed lanes, charging of the car battery will take up to 30 minutes on average. If the vehicle’s alternator is in good condition, then the idling process should be able to partly recharge your car’s battery. How Long Does Gasoline Last in a Sealed Container? This is why we strongly advise that a car battery is recharged whenever there is a need for it. Subscribe to Naijauto for our LATEST DEALS and HOT CARS. A decent drive and it will go a fair way towards fully charging it. Check your car battery charger for any settings for the charging rate and apply the charging rate for your needs. Luckily, newer smart car battery chargers will handle the charging themselves and you can focus on other things.. I hope you enjoy my content! Get it changed if it’s beyond repair. If you have access to a smart charger, it’s best to hook your car battery to it as soon as possible to bring the battery to a healthy state. If you don't have a battery charger yet, plan ahead an buy one from us! Oluwaseun Solomon is a prolific and diligent automobile writer at Naijauto.com. But, to get the battery fully recharged, you will need a multistage battery charger. But generally speaking, a driver needs to maintain an over 1000 RPM for a period of time to achieve good charge. Charging your battery over 15 amperes can damage your battery if you are unlucky and make the lifetime shorter. What is the best speed to charge a car battery? It runs great, but the battery died, i jumped started it, let it run about 10-15 minutes, the inspection is up so i cant run the car on the road, but i did drive it around my parking lot for a few minutes. Although, it is dependent on the condition of the alternator. These chargers use active monitoring to charge your battery in the most efficient way. Worse yet, you can’t determine the core temperature of a battery by measuring the temperature of the case. Did you run your car down a sloppy road, or kept it idling and yet the battery still seems dead and does not recharge a bit with all these methods? Usually, a mid-sized car uses a battery of the size 40-80Ah. So how long will it take for you to hit the road again? To charge your car battery quickly, without damaging your car battery, I would recommend charging your battery at the rate of 8-15 amperes. 2-4 ampere is typical for maintenance charging, and it will take around 24 hours to fully charge a dead battery at this load. The not-so-good news is that a car battery should be kept topped-up, and it doesn't do it any good to discharge it completely. If a battery is deeply discharged it will not charge up properly with an alternator. Long-time charging with low amps is the best for keeping the battery’s lifetime long. Oluwaseun Solomon is a prolific and diligent automobile writer at Naijauto.com. If all this method fails, you can also jump-start the car and then idle it afterward or simply get a multistage car battery charger to fully charge such dead car battery. This is unlike the sort you get in cameras, etc - older NiCads especially- , which don't like being recharged when not fully discharged. Realistically speaking, a flat battery can be charged up to 80 percent in 2 hours. Remember, if you intend charging your car battery while driving, you should not use any electrical device such as; heater, stereo system, radio. A car battery charger I really can recommend is the CTEK chargers. And the time a car battery will take to charge while driving a vehicle really varies from one car to the other. I created this blog because I was tired of finding false information on the web while looking for repair information. At least 30 minutes of driving will help charge the battery back to a safe level for your next start. Fortunately, even though the 12-volt batteries in the Toyota and Lexus Hybrids are located in the rear of the cars, there are posts in the engine compartment that allow you to "jump" the battery if it's dead. If the battery is not faulty and the car is in good working order you need only drive for half an hour or so to give your battery an adequate charge. Safety Wear: Optional but recommended items glasses and gloves. First, you have to figure out what type of battery charger you need. How to store a car battery. How long does it take to charge a dead car battery? It’s very important to drive around for at least 15 minutes to fully charge your battery again. Mind you, sometimes your car’s alternator might be faulty and still hinder the dead battery from recharging. What if you were driving inter-state one day and right in the middle of a jungle, your car battery dies? An AGM/GEL battery can charge up a bit faster than a regular wet battery. At its most basic, a car battery is constructed of alternating plates of dissimilar metals, usually lead and lead oxide (Pb and PbO 2 ), in an electrolyte bath, usually sulfuric acid (H 2 SO 4 ) in water. I would like to charge the battery by running the engine, but because my brakes are currently not working, I cannot take it for a drive. And another common mistake that drivers make is to have accidentally kept the AC or headlights “ON” overnight. What you can do in such scenarios is to jump-start the car battery. Â. How Long to Drive A Car To Recharge the Battery Again, there is no specific correct answer. Another important point not to miss is the capacity of the battery you are charging. Battery charging times can vary from make and model, and can differ depending on the batteries amps and charger that you’re using. Around 60 amps or more. Dead Car Battery: This is what you need to charge. When Solomon is not writing, you will either find him composing music, editing videos or simply enjoying YouTube "TEDx Talk" videos with a chilled drink :), No 7 James Robertson Street Off Alhaji Masha road Surulere, Lagos Nigeria, All rights reserved. Below 12 Volts — Use a Dedicated Charger Your vehicle’s alternator can keep a healthy battery charged, but it was never designed to completely recharge a dead … On the other hand, if the charging is tickling it may take around 24 hours to charge a dead battery completely. Low ampere is better for maintenance charging of your battery over long periods. Having provided you with all these facts and information above, we hope you don’t ever get stuck in the jungle with a dead car battery and faulty alternator 😊. Designed by Naijauto team. It will save your car battery, and it will minimize the risk of damage to your vehicle. Charging a car battery is not always as easy as it sounds; there are several tricks out there to save your battery and give it a longer lifetime! If it doesn’t, the battery might need to be replaced. If you apply all of our above techniques and yet you are still having issues recharging your car battery, kindly visit the nearest automobile technician shop close to you. It is also worth noting that, the lesser the remaining charge in a car battery, the more time it would take for such battery to recharge. Charging a dead car battery takes 4 to 24 hours for a full charge, depending on how many Amperes your car battery charger is charging with and your car battery’s size. Depending on the age of your battery, the capacity and construction of the charger and the charging technique used, it may take a few hours to reach a complete charge. In order to charge a dead car battery, a set of jumper cables and a functional car with a charged battery is required. We can bet such car battery will always drain out before morning or eventually die. All you need is a 1.5 or 2.0 Amp 12 volt charger. Once you are able to start the vehicle using this jump-start mechanism, the car will by itself turn over to start recharging your connected dead battery naturally. Lights etc. A multistage battery charger is best for aptly recharging a dead car battery to peak level, Idling might be the best way to quickly recharge a car battery in such a case. High speed charging is usually 6-10amps, whereas low speed charging is typically 2-3amps which is usual for a gradual overnight charge. First, you have to look at your car battery charger to find out how much ampere it’s giving out. Here are 100 more car maintenance jobs you can do on your own.