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How to Tell if Laptop Battery or charger is Bad?

Here’s an example of one of the most common questions panicking laptop owners ask upon discovering that their devices are not charging.

Here’s an example of one of the most common questions panicking laptop owners ask upon discovering that their devices are not charging.

This is a basic issue or problem that can be sorted out with a few simple troubleshooting steps. If your laptop is not running and you want to figure out whether it caused by a bad battery or a defective charger, you have two options.

First is to consult a professional for help, but this option will shed a few bucks from your pocket for a fee, not to mention that you will have to buy a new replacement part. The other option is to troubleshoot your device, which is free.

To identify the real culprit and verify what’s causing the issue. Take out the battery of your device and plug it into a power source. If the laptop turns, the culprit is your laptop battery. Otherwise, the issue is due to a defective charger.

A lot of cases like this, the issue is due to a bad battery, especially if the device is old. Laptop batteries are designed and built to have a specific number of charging cycles, and when they reach that specific number, that’s it for them.

How to Tell if Laptop Battery or charger is Bad?

Laptop performance and a healthy battery go hand to hand, so its a good idea to monitor your laptop's battery health. Laptop batteries can fizzle, or over the long run can lose their capacity to hold a charger. In the event that your Laptop out of suddenly quits coordinating, you can normally decide whether the battery is causing the issue by removing it from its bay. (on the base or side of the Laptop) and running the Laptop from the adapter only. If the batteryless laptop runs properly when connected to the adapter, the battery has most likely kicked the bucket, shuffled off its mortal coil, and otherwise become defunct. You can additionally test this hypothesis by subbing a battery that you know is working great from another laptop of a similar model. You might have the option to acquire a collaborator's battery or take the laptop to a helpful retailer's maintenance counter. You can know whether the charger is bad by taking a gander at the charging markers on the laptop. Additionally, you can distinguish a flawed battery by running a software or when the laptop starts just when the charger is associated. There is not a lot that should be possible on the battery as far as repairing.

People mostly ask these kind of questions:

• How do I know if I need a new laptop charger?

• Can a laptop charger go bad?

• Why is my laptop not charging when turned on?

To confirm the main problem, you should remove your battery and plug in the charger. On the off chance that it can allow your laptop to run that implies your adapter is alright. And you need another battery, if there is no power , you should buy another charger.t is an issue with the battery or power connector. Additionally, if your force connectors can't give adequate capacity to the laptop to run + Charge the battery then this could emerge. On the off chance that you are utilizing a right charger for your laptop, the battery is certainly an issue. 

If your laptop works fine while plugged in but stops working after it's unplugged, your laptop battery is bad, or your laptop is not charging the battery. Below are steps that can be taken to help identify what's causing this issue.

1.Connect laptop directly to wall.

If you are using a power strip, surge protector, or UPS (uninterruptible power supply), disconnect the laptop from it and plug it directly into the wall. In some cases, the power strip or other devices may be bad and preventing the battery from being charged.

2.Remove and reconnect battery.

Use a third-party battery utility to determine the total capacity of the battery. For example, Battery Care is a free software utility capable of doing this.

Refresh battery Some laptop manufacturers have a feature in BIOS setup to refresh the battery. Try this option if it's available for your computer.

There are two fundamental kinds of battery utilized in workstations: lithium-particle and lithium-polymer. In spite of the fact that they are various advancements they work in 

extensively a similar manner, producing power through the development of electrons.

A battery cannot be overcharged. There is no risk of overcharging a battery in the case that you leave it connected to charger all the time. When it hits 100% it will stop charging and will not beginning again until the voltage falls under a specific level.

Completely releasing a battery will harm it. Permitting the battery to turn out to be totally empty for an all-encompassing period can place it into a profound release state. This can be fatal, you may always be unable to charge it once more. (You can attempt these experiments with a dead laptop battery.)

Purchasing the Right Battery Replacement for Your Laptop

After troubleshooting your device and identifying the culprit that causes it not to charge, and discovered that it is the battery. The next thing to do is to purchase the replacement battery pack for your unit.

About How to Find What Battery My Laptop Has? and how to purhcase a correct battery,you can view this article.

If you have plugged in your laptop but it’s not charging, there is definitely something wrong. At times, the battery is fully drained, which provides no power to the device. But if you have connected the adapter but there is no glowing light, no bright display, or no charging indicator, you should take a few steps to diagnose the problem. In this article, we are going to share with you a few tips to help you troubleshoot. Read on. 

1. Make sure You are Plugged In

First of all, make sure that the laptop is plugged in. Also, check to make sure that the plug is properly seated. All the removal cords should be fully inserted and the battery should be seated properly. 

2. Remove the Battery

If your laptop has a removable battery in it, take it out. Now, press and hold the power button for a couple of seconds. The idea is to drain the device completely. Afterward, plug in the device and switch on the laptop. 

This trick should work properly. But if it doesn’t, chances are that you have a bum battery that has to be replaced. 

3. Use the Right USB-C Port

Today, USB-C is a standard connector for a lot of devices. It helps connect peripherals transfer data and recharge batteries. If you have a non-charging issue, check to see if you are not connected to the wrong port. 


4. Use a powerful charger

If the adapter is not powerful enough, it won’t charge your laptop battery. The wattage of the charger should be checked. Although a low-wattage charger may keep the battery from draining, it won’t be powerful enough to charge it. 

5. Check for Shorts, burnouts, and breaks

Check the cable for any breaks or kinks. The ends should have no broken connections. Sometimes, pets chew on adapter cables. The AC brick shouldn’t be discolored and no parts should be expanded or warped. Also, sniff the AC brick to ensure it doesn’t smell as if the plastic is not burnt. If it smells like this, you should try replacing the power connector. 

6. Check the Connector

Make sure that the connector is fairly solid. There should be no dirt or dust in the jack. You can use a toothpick to clean the jack and plug it in once again. In some cases, the jack is loose or wobbly, which means that the jack is broken and needs to be repaired. 


7. Beat the Heat

Batteries tend to overheat. When the temperature exceeds a certain limit, the sensor may misfire. This may cause charging issues as well. Typically, these problems are quite common in older laptops as they have a low-quality cooling system. 

In this case, you should turn the device off and wait for a while to let the battery cool down. Also, make sure that the air vents are not clogged. 

8. Change the Battery

If none of the tricks solve the problem, we suggest that you purchase a new power adapter or battery. It’s better that you buy the battery from a reputable manufacturer. Using third-party batteries is not recommended. 

In short, if your laptop battery is not charging, you can use these tips to troubleshoot and fix the problem. 


If your laptop battery is bad, you should get a replacement battery. At replacement batteries, you can find a great collection of laptop batteries. This will help you make the best choice. 

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Batteries are one of the weak links in laptop computers. It's fairly easy to test your battery's charge and health, and by doing so you can help avoid unwanted surprises.
Si le chargeur de l’ordinateur portable est hors de service, vous pouvez essayer de charger la batterie à l’aide des outils.
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