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What is the largest demand on a car battery?
You mean volts? 12V The largest load is the starter motor
How do you tell if your car battery is finished?
Have it load tested by a shop, most parts stores will load test your battery and alternator for free.
What is the largest size battery?
The largest conventional battery used today is the 12 Volt used or lanterns. There are other types of larger batteries such as a car battery.
How long before run down a 12 v car battery?
Depends on what is connected to the battery and the load that item is pulling.
How do you remove excess surface charge form a car battery?
Apply a load across the battery for 10 to 15 seconds
What draws on a car battery when car is not running?
Parasytic load - clock memory, computer memory, alarm sensors
Can a car battery need a boost due to cold weather?
Yes. How old is the battery ? . Is it the correct battery for your car/truck Are the battery terminal connections loose or corroded ? Clean ,tighten Get the battery checked at a local garage ( load test )
How do you tell if car battery is good?
Drive to anyplace that sells batteries and the will load test if for free.
The car makes no sound at all when trying to start it?
Have someone test your battery with a load tester.
Can a car battery have enough charge to turn the car electrics on but not start the car?
Yes, A car battery can have enough charge to turn on car electrical components but not start the car. This is not much of an indication of a bad battery however. Use a volt meter to test the power in the battery. If the battery seems low put it on a trickle charge. Most modern chargers will tell you if your battery is bad or not. The battery also has to be load tested to determine if it's good or not.
Can you charge a dead battery by getting a second car that is running take the good battery out of the running car and put the dead battery into the running car as a means of charging it?
No, this will place a very heavy load on the alternator of the car and may result in burning out the diodes of the car charging the battery. You could easily ruin the alternator. Purchase a battery charger and charge the dead battery with that. Alternators are not made to charge dead batteries.
What causes the instrument panel in a car to flutter when car will not start?
sound like a weak battery or bad battery cables.. have your battery load tested sears auto zone should do it free if battery is more then 4 years your on borrowed time anyway
