How To Know Your Battery Is Bad. How to test your battery. Compare this time with the manufactures specification in your.
The battery is unable to take load on it. A battery that doesnt charge all the way may be an indication that the battery is beginning to fail. But that doesnt mean the alternator isnt occasionally to blame for the battery going dead in the first place.
Cranks or clicks but wont.
Spoiler alertwhen an engine either cranks sluggishly or doesnt crank at all the issue is usually the battery. This is another common sign of a bad battery. If your battery is close to dying you will likely find your engine slow to crank. Look at the battery of the car.
