How to Know If it’s Time to Substitute Your Laptop’s Battery

If your notebook computer has a user-serviceable battery — that is, a person you can take away on your own — you can replace your battery pretty easily. In case your laptop does not have a user-serviceable battery, you’ll need to contact the laptop’s producer so they can split your laptop computer open and change its electric battery for you.


Battery death can seem unexpected, but it does not have to. Windows will warn you when your battery gets to extremely low capacity levels, but you can also keep your personal tabs on its capacity.

Ultimately, when your electric battery reaches a low enough capacity level, Windows will warn you. You’ll see a reddish X appear on the standard electric battery icon in your system tray and, when you click it, Windows will certainly inform you that you need to “consider changing your electric battery. ” Windows also says that your computer might turn off suddenly because there’s a problem with your electric battery – put simply, your electric battery can’t hold enough of the charge to power your laptop to get long when it’s not connected to an outlet.

After we calibrated the electric battery, Windows halted warning us and the battery’s reported capacity went back up to 70. 8%. The electric battery didn’t in fact gain any additional charge, nevertheless the calibration helped the battery’s sensor basically detect simply how much capacity was at the power supply. If Windows says it could time to substitute your power supply, be sure to adjust it just before checking its wear level. If you don’t, you could replace a battery this is still in good enough condition. That would only be a spend of money.

In case you have a user-serviceable battery, you may order a better battery to your laptop style online. Is not going to just go to eBay and get the cheapest thirdparty batteries offered – acquire official power packs from a good company. Auto aftermarket batteries are frequently built to the cheap, with cut 4 corners and not sufficient testing. They might be dangerous — a cheap, fake, and wrongly designed power supply could practically go up in flames.


The information previously mentioned may not be entirely accurate should your battery requires calibration. For example , we had a battery that reported it was almost dead. Windows warned us that it was time to replace the battery and the battery appeared to be at twenty-seven. 7% use level relating to its reported capacity.


Image Credit: tsuacctnt on Flickr, Stewart Butterfield on Flickr

Note that this warning was added in Windows 7, so you refuses to see it if you are using Windows Vista or XP.

For example , in the beneath screenshot, we see that the electric battery was designed to hold 86, 580 mWh of energy. However , the battery’s current capacity at full impose is only 61, 261 mWh. In other words, the laptop’s electric battery only keeps 70. 8% of it is original potential when totally charged.

A lot of batteries may well display much more info, such as the availablility of charge and discharge periods they’ve been through.

There’s no reason for obsessing above your battery’s capacity — it was created to be used, all things considered – although it’s a thing to keep in eye in. If your potential is decreasing more quickly than you’d like, that could be a sign you must be your battery better. Perhaps you’re here exposing that to excessive heat should you leave the battery in while playing demanding, challenging PC game titles on your notebook computer.

Laptop power packs decline as a result of a number of elements. Heat, consumption, age — all of these everything is bad for power packs. Batteries might slowly die-off no matter what — even if you set your power supply in a wardrobe and never touched it, it could slowly shed capacity due to age. However , if you under no circumstances use your battery – say you use your laptop computer at your office most of the time and it gets rather scorching, which is bad for the electric battery – getting rid of the electric battery can certainly help extend its existence.


Windows doesn’t normally keep you up-to-date with your battery’s capacity level. As you utilize it and it weakens, you will still just notice that your laptop computer doesn’t appear to last as long upon battery.

No matter how well you deal with your laptop’s battery, it will eventually die. Should you be lucky, it will probably be time to change your laptop computer by the time the battery passes away. If you’re not, you’ll need to change the electric battery.

To make your laptop’s electric battery last longer, go through our description of battery life myths and facts to recognize what performs and what doesn’t.

For anybody who is curious the way in which far the laptop’s power capacity comes with declined, you need to use a thirdparty tool to examine it. NirSoft’s free BatteryInfoView does this very well, displaying the battery’s approx . wear level, the capacity it absolutely was designed to contain, and the potential it at the moment has.


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