How Can You Tell If A Battery Is Bad. One of the main functions of the altnerator is to recharge your car battery. Look at the battery of the car.

This should be very easy. Its the very first way to tell if your battery is bad. You can do this by performing the following steps.
But we can reduce the environmental impact of batteries by disposing them properly.
Next take the red lead of the voltmeter and place it on the positive terminal. If the above steps reveal that the battery is working its time to take a closer look at the alternator. Using a voltmeter will only tell us if the battery is bad. Thats especially true when dealing with deep cycle models because these batteries have a tendency to outlast the competition.

