What Can Cause A Car Battery To Drain
As time passes, we came across many problems where a car battery would drain fast, sometimes even immediately. Modern automobiles are filled with electronics and difficulties with drained batteries become increasingly more frequent. Let us consider why this happens, common problems causing a battery to drain and ways to correct them.
How it works: A good car battery has a lot of capacity to keep the charge for days. A vehicle should start even after being parked for up to several weeks. Many times among those electrical devices in a vehicle draws current that drain the battery sooner.
What can cause this? You’re late for work and rush into your vehicle, only to find that it won’t start. The headlights are dim and the engine just refuses to turn over. You realize that your battery is dead. However, how did this occur? There are five chief causes of car battery drain or failure.
You’ve probably done this at least once in your life you come home from work, tired and not actually thinking, and left the headlights on or did not fully close the back. Overnight the battery drains, and in the morning your vehicle will not start. Many new cars alert you if you’ve left your lights , but may not have alerts for different components.
Parasitic drain is due to parts on your automobile continuing to operate after the key is turned off. A parasitic drain is normal, your battery delivers enough energy to keep matters, such as your clock, radio presets, and safety alarm operational at all times. But if there is an electrical issue, parasitic drain can transcend what is normal and deplete the battery.
If your charging system isn’t working correctly, your car battery can drain while you’re driving. Many cars power their lights, radio and other systems in the alternator, which can make the battery drain worse if there is a charging problem. Then you are going to be stranded at roadside using a stalled car that needs a boost. And then, bad charging will drain your car’s battery. A professional mechanic will have the ability to diagnose what’s causing a charging problem.
Defective alternator diode
A car alternator recharges the battery and powers certain electric systems. If your alternator has a bad diode, your battery may drain. The bad diode can cause the circuit to charge even when the engine is shut off, and you find yourself at the morning using a car that will not start.
If your battery is old, it might not hold a complete charge. If your automobile always will not start, it is possible that the battery is worn out. You ought to generally replace your vehicle battery every 4-5 years. If your car isn’t starting continuously, and your battery is older, battery replacement should be the first thing you consider.
Having a battery that won’t hold a charge is annoying, and figuring out what’s causing the problem can be tricky. Assuming that the cause of the battery drain isn’t human error, you’ll need the assistance of a skilled mechanic who will diagnose your car’s electrical problems and ascertain if it is the battery or something else in the electric system.