# How To Check If Battery Is Good?

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Last Updated on October 19, 2022 by Ellis Gibson (B.Sc. in Mechanical Engineering)

Are you tired of your batteries dying on you? Check if your battery is good with these four methods. With a little time and effort, you can save yourself a lot of money and aggravation.

So, how to check if battery is good?

There are a few ways that you can test your batteries to see if they are still good. One way is to use a multimeter to test the voltage of the battery. If the battery is reading 12.6 volts or higher, then it is considered to be a good battery. Another way to test your batteries is to use a load test. This is where you put a load on the battery (such as by turning on a light) and see how long it takes for the battery to lose power. If the battery can hold a charge for a long time, then it is considered to be a good battery.

Let’s dig into it and find out what’s going on.

## Step By Step Process On: How To Check If Battery Is Good?

Here I will explain you step by step process of how to check if battery is good? let’s see how to check if battery is good.

REQUIRED TOOLS:

1.Voltmeter or multimeter 2. Resistor 3. Hard surface

Step-01:

First, take your voltmeter or multimeter and set it to the voltage range.

Step-02:

Then, take your battery and touch the positive terminal of the battery to the positive probe of the voltmeter (red), and the negative terminal of the battery to the negative probe of the voltmeter (black).

Step-03:

If the voltmeter reading is close to the battery voltage (e.g. 1.5V for AA or 9V for 9V), then the battery is good. If the voltmeter reading is significantly lower than the battery voltage, then the battery is bad.

Step-04:

You can also test batteries by using a resistor to create a load. This is done by connecting the resistor between the positive and negative probes of the voltmeter, and then touching the positive and negative terminals of the battery to the respective probes.

Step-05:

If the voltmeter reading is significantly lower than the battery voltage, then the battery is bad.

Step-06:

Another way to test batteries is the “drop test”. This is done by holding the battery a few inches above a hard surface, and then dropping it.

Step-07:

If the battery is good, it will make a thud sound when it hits the surface. If the battery is bad, it will make a higher-pitched sound, or even bounce.

If you wanted to watch a youtube video that shows you how to check if battery is good? I have included a video below:

## How Can You Tell If A Battery Is Good Or Bad?

Batteries are an essential part of many electronic devices, from flashlights to cell phones. Over time, however, batteries will lose their charge and will eventually need to be replaced. But how can you tell if a battery is still good, or if it’s time for a new one?

One simple way to test a battery is to drop it from a few inches off the ground. If the battery is charged, it should make a solid thud when it hits the ground and should remain standing. If, however, the battery is dead, it will bounce and fall over immediately.

Another way to test a battery is to try to charge it. If the battery is still good, it should take a charge and hold it for a reasonable amount of time. If the battery is dead, it will either not take a charge at all, or it will take a charge but then lose it quickly.

If you’re not sure whether a battery is good or bad, it’s always best to err on the side of caution and replace it. This is especially true for batteries that are used in critical devices, such as smoke detectors.

Additionally, When you drop a battery from a couple of inches up, if it is charged it should make a solid thud and stay standing. If it is dead, however, it will bounce and fall over immediately.

## How Do You Know If A Battery Is Bad?

One of the most common ways to tell if a battery is bad is if the cranking of the engine is sluggish. If your vehicle is harder to start on cold mornings, or it starts inconsistently, it could be a sign that the battery is failing. Another way to tell if the battery is bad is if there is no sound or interior lights when you try to start the vehicle. If you suspect a bad battery, check the connections to see if they are loose or corroded. You may also have an electrical draw.

Furthermore, If your car is having trouble starting, it could be because the battery is failing, the connections are loose, or there is an electrical draw.

## How Can I Test A Battery Without A Tester?

This is a common question that people have when they are trying to figure out if their battery is still good. There are a few ways that you can test a battery without a tester. One way is to use a multimeter. Another way is to use a voltmeter. And the last way is to use a load tester.