Car Battery Keeps Draining

Assuming your battery is good and your alternator is charging the battery properly the next suspect is a short somewhere that is leaking power when you re not using the car.

Car battery keeps draining. Car battery draining fast car battery keeps draining car battery maintenance what can drain a car battery when its off what causes car battery to drain what drains a car battery. What else could be wrong with my car besides the battery. Thanks in advance kurt. However there are four common problems that can cause a battery to drain slowly.

Car batteries can lose their charge for a variety of reasons. What causes a car battery to keep dying. Thanks for your question kurt. However keep in mind that small parasitic drain is considered normal.

With the car engine off and anything that might consume electricity tur. If your battery was running fine the last time you drove and now won t start the car one of the following problems may be to blame. This is the 3rd new battery the alternator tests good 14 3v while running the battery dies overnight but doesn t die if a battery cable is disconnected. The extreme parasitic drain is caused by a faulty electrical system.

My car has a new battery but something keeps draining the battery down. We only found 10ma draw on the battery when the car was turned off that doesn t seem like enough to drain a battery overnight is something coming on periodically to drain the battery. Here s why your car battery keeps draining. Tsukasa azuma is an awesome car blogger of car from japan.

Some of the most common reasons for a car battery to die repeatedly include loose or corroded battery connections persistent electrical drains charging problems constantly demanding more power than the alternator can provide and even extreme weather some of these problems are enough to kill a battery on their own while others are usually coupled. He owns a car repair shop at downtown. Your battery needs to supply a low voltage current to the clock radio presets and the alarm system even when the car is parked or if the engine is turned off. If your charging system isn t working properly your car battery can drain even while you re driving.

If your car sits for a few weeks without being started these normal drains may lower the battery voltage enough on a two or three year old battery to keep your engine from turning over. The alternator may have loose belts or worn out tensioners that keep it from working properly.