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How Can You Tell If Your Laptop Battery Needs to Be Replaced? 

 September 19, 2021

By  Phil Borges

The healthy battery life of a laptop depends on several factors. These include its age, the investment you have made in its maintenance over the years and also a bit on the model and the company’s reputation. However, as the laptop ages, it is possible to lose some power and there may be a fair chance that you need to replace the battery.

If your laptop is showing troubling signs during charging or it is overheating or shutting down abruptly after full charge, these are all signs that hint towards the fact that your laptop battery needs replacement.

Sometimes, there can be some other battery failure signs that you may need to also look out for.

How to Know If Your Laptop Battery Needs to Be Replaced

A battery can be quite a bummer and may actually impede the effectiveness and speed of your work, causing your laptop to break down multiple times, requiring you to stop and take notice.

Here are a few signs that tell you that your laptop battery needs replacement.

The Shrinking of Usage Duration

The most obvious sign that your laptop battery needs replacement is that the usage time if your laptop changes gradually. You would see an obvious shortening of the time span it can go after a full charge.

Though the exact figure can vary from laptop to laptop, it is usually considered that on average a fully charged laptop should last you anywhere between 5-6 hours. If your laptop shuts down in mere 2-3 hours, it is a clear indication that all is not well with your laptop battery.

Never Ending Power Issues

Though power issues can also signal something else, more often than not, it is a sign of a faulty battery.

If your laptop shuts down unexpectedly in the middle of a work session despite being fully charged, you must take it to a specialist for a thorough check-up. It is a big possibility that your battery needs replacing.

Besides, a laptop that shuts down unexpectedly is anyway a cause of concern that must be checked regardless.

Overheating Too Often Too Much

Laptops are designed in a way that they can dissipate heat and cool themselves off. But if your laptop is incredibly hot to touch after a work session, it is an indication that all is not well with the laptop battery and that it is overexerting itself trying to cool down.

It is also noticed that excessively hot laptops also turn noisy as the pressure on the internal fans increases as they have to work a little extra to cool the laptop down.

In such a situation, you should unplug your laptop from the source of power, let it cool down and not use it, if possible. You should, of course, take it to an expert to get the battery fixed.

Your Laptop Is Past Its Hay Days

Shelf life is an actual thing, especially when it comes to a machine. No matter how well you look after your laptop, it is bound to show wear and tear that comes with age.

Ideally, one must expect a battery to last without faults no more than 2-3 years. If you are past that stage or your laptop has seen several hundred charging sessions, it is a huge possibility that your battery is overworked and aged and needs to be replaced.

Your Laptop Gets Charged at Snail's Pace

If your laptop is not charging at the pace it usually does, it is highly likely that your battery is past its prime and needs replacement. Laptop batteries are designed in a manner that they charge quickly and get to work and if that’s not the case, all is not well.

Sometimes, it may not charge at all. If this happens, you should take this failure to charge as an indication that your laptop battery needs replacement.

Your Laptop Battery Tells You So

Most modern-day laptops are great at communicating their needs. And thank God for that! Both Mac and other laptops will usually flag off a replacement message if the battery is overstretched or needs to be replaced. So you need to watch out for these signs.

How Much Does a Laptop Battery Replacement Cost?

Though these costs vary between different companies and different models, here is a basic idea. For Macbooks, the prices can start from $129 and can go up to $200 and more depending on the model.

Likewise, HP laptop battery replacement can set you back by anything between $79 and $129 and Dell battery replacement can cost you anything between $50 to $120.

Why and When to Replace Laptop Battery?

If you want to continue with a faulty battery or a battery that is past its prime, you will keep facing disruptions sometimes during moments when you least want it. Besides, a laptop with a faulty battery severely impacts your mobility and you are required to be sitting beside a plug point to charge it.

As a thumb rule, if your laptop battery doesn't hold 25% of its maximum capacity or lasts only a couple of hours after full charging, you should replace it.

Frequently Asked Questions

How Do I Know If I Need a New Battery for My Laptop?

If your laptop is showing signs of overheating and it shutting down unexpectedly after being charged fully, these are signs that its battery needs replacement. Some systems even freeze while you are working. This can also be because of poor battery health, among other reasons.

Sometimes, your laptop will even send a message apprising you of the problem. So, watch out!

How Long Does a Laptop Battery Last Before It Needs to Be Replaced?

There is no universal answer to this, but on average, a laptop battery can withstand 1000 charges or 2-3 years of use if you maintain it well. The other things that make a difference to this are the amount of usage, the model and the brand.

How Can I Test My Laptop Battery?

You can access the battery report of your laptop by accessing the Windows PowerShell in Windows 10 laptops. All you need to do is to type out powercfg /batteryreport /output "C:battery-report.html" in the taskbar and that will give you access to the report in HTML.

If you have a Mac, you can follow the instructions in the link to check if your battery is functioning well and to its optimum strength or if something is amiss. Go to ‘System Preferences’ in the main menu and click ‘battery’ twice. This should give you the required details.

Can I Still Use My Laptop If the Battery Needs to Be Replaced?

You can do that. Sometimes people also use their laptops without a battery if they have an alternate power source. However, in the long run, you should consider replacing your battery to avoid putting strain on the other components of the laptop.

How Can I Make My Laptop Battery Last Longer?

You need to exercise caution with everyday usage to elongate your laptop’s battery. Some examples of this include:

  • Use power saver mode to use less power while you are working on your laptop.
  • Lower your monitor brightness because that can significantly use the battery shelf life. Of course, make sure you don't strain your eyes too much in the process.
  • Keep your laptop cool and make sure there is ample air circulation.
  • Avoid screensavers if you can as they can really lap up your battery.
  • If possible, avoid working on a lot of programs simultaneously. Having multiple tabs open at the same time can strain the battery.
  • Use apps that help you keep a tab on the battery health of your laptop. For example, BatteryCare and BatteryMon.

The Final Word

There are several signs that your laptop will give you in case its battery is not running to its optimum state. You need to look out for the signs such as overheating and abrupt shutting down of the system and take your laptop to an expert for a proper diagnosis. More often than not, it would need a simple battery replacement!

About the author

Hi, I'm Phil Borges.. thanks for reading.. My wife says I can't shut up about batteries so to save my marriage I've started this blog .. where I'd be ranting about batteries! Please leave a comment if you have any questions, I'm happy to help!

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