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Your car battery can self-discharge on the basis of chemical reaction, or due to temperature changes (when it gets colder, it has less amperage available). It can also be caused by parasitic draw due to a improper connection or a device left on. Typically if the electrical system has been evaluated and there is no parasitic power-off draw, then the battery's chemical composition may have been compromised or a cell may have been crossed. This means your battery is bad and typically needs to be replaced.
What else can I help you with?
What causes a car battery to self discharge?
Either there is a dead cell in the battery or something is drawing power from the battery. Even a good battery will slowly discharge over time. Normally it will take months.
How can I overcome battery self discharge?
Use a battery maintainer.
How long does it take to carode a batterie on concrete?
Car batteries do not usually corrode just sitting on concrete unless their is a leak in the container. I do know that you shouldn't place a car battery on a concrete surface as it can cause the battery to discharge its self into the concrete and you end up with a dead battery.
What are the advantages of using a low self-discharge battery compared to a regular battery?
A low self-discharge battery retains its charge longer when not in use, making it more convenient and reliable for devices that are used infrequently. This can result in longer battery life and reduced need for frequent recharging.
Can start the diesel car by pushing manually if battery discharge?
Yes, you can start diesel engine even if you don't have battery in!
Can a car battery over charge it self in the car?
Sure, if the alternator voltage regulator is defective it can overcharge the battery.
Do car batteries recharge as their used?
No, they discharge. The alternator recharges the battery when the engine is running.
What happens if a car battery is not used for a long time?
this happens mainly because a charged body loses its charge through leakage into the atmosphere. this is particularly so if the air is moist.besides this the terminal also get oxidised with time.that battery has a finite life is also due to occurence of the unwanted chemicals and physical changes to or the loss of the active materials of which they are made. this might happen if the membranes that separate different chemicals erode or lose their character.
Replace The Battery in Your Car?
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What is meant by battery float charge?
The voltage required to counteract the self discharge of the battery at a certain temperature.So it is the amount of voltage given to make the battery in fully charged condition.
What is making your battery drain when the car is off?
First thing is the battery itself. It it has a dead cell it will self-discharge overnight. So have the battery tested to make sure it is good. Secondly is that there is something on pulling power from the battery. Dome, under hood, glove box, trunk, or curtorsey light. You can also have a relay that is sticking.
Will an unplugged battery charger cause a battery to discharge?
No, an unplugged battery charger will not cause a battery to discharge.
