![]() If your car stops after the jump cables are removed, then it is a problem with the car battery not charging. After you have jump-started the car, leave it connected to the donor car for a few minutes to give the battery a chance to charge.Bad Battery – Check the Car Battery Condition If you find that your car needs to be jump-started on more than one occasion, there are a few simple checks that might help fix the problem. 7 Reasons Your Car Battery Is Not Charging This power is used to charge the battery, and to provide all of the power necessary to run things like the headlights, interior lights, the radio, and all other accessories. ![]() When the engine starts turning, the alternator is driven by a belt that converts mechanic power to electrical power. But once the engine has started, the alternator should recharge the battery. In some diesel cars it will power the glow plug heater if the temperature is below zero. It also provides the initial spark to the spark plugs of a petrol car. When it comes to charging the battery though, it hasn’t really changed.īasically, when you turn the key in the ignition, the starter motor is powered by the battery and this starts the engine. Sometimes, the problem is not with the battery itself, but with how it gets its charge.Ĭars have gotten a lot more complicated electrically over the years. If you need a new battery then it’s worth checking out our best car battery roundup before you buy anything, for a list of our top picks with a detailed buying guide. It is vital though, that the battery is recharged while the engine is running so that it is ready for the next start.Ĭar batteries are designed to take a lot of punishment, and should provide years of trouble free engine starts. It’s main purpose is to start the car, but it can also be used to provide extra power to accessories when the engine is off. ![]() Your car battery will cycle through thousands of charges and discharges over it’s lifetime. Faulty injectors or a clogged fuel filter can also cause a car to struggle and splutter when starting. But how do you tell if it is caused by the car battery not charging, or if it’s something else?Ī car that won’t start can be caused by a fault with the alternator or some other part of the electrical charging system. Very often, the first sign of battery trouble is when your car won’t start.
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