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If you allow it to discharge, then it becomes useless, so you have to recharge it. Some batteries (e.g. for torches) don't have to be charged because their internal chemistry is such that they come already 'full'. But once they discharge then you have to throw them away.
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How long to charge a 550 cranking amp car battery be charged with a 1 amp motorcycle battery charger?
In 24 hours it will be charged enough to start the car. You really need a much larger charger for a car battery.
Need to jump start a 2000 Monte to start the battery is fully charged?
If you need to jump start the car then the battery may be fully charged but it is defective and needs replacing. A full charged battery will read 12.6 volts at the posts with the engine not running. 12 volts indicates the battery is only 25% charged.
What does a car battery alarm indicates?
That the battery in your car is low and needs to be charged
Can a battery be charged while remaining connected to the car battery cables?
Yes. A battery can be charged while in the vehicle.
Should you fit a car battery if the hydrometer reading is under12.2 volt?
It could just need charged.It could just need charged.
How do you recharge a car battery when the bonnet is closed?
the battery is not charged wethin the car , the battery is first taken out from the car and then it is charged............. You can get a charger that plugs into the cigarette lighter and back feeds to the battery. Takes a while to charge the battery that way.
How battery get charged in car?
As the alternator runs, it charges the battery.
Why does the battery warning light come on when the car is started on 1999 ford expedition 4.6L?
because the battery needs charged or need a whole new battery
Do I need to fully charge a new car battery before putting it in the car or can I just jump start it?
In most cases a new battery will be charged enough to start the vehicle
Car not used for three weeks will battery start the car?
if the battery is good and charged sure
Your car won't start and battery is charged 1998 Chevy Lumina What is wrong?
Get a new battery, mine was doing the same thing. No matter how charged it is, youll still need a new one.
How many amps does a car battery have when fully charged?
It varies by manufacturer and battery.
