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Laptop Battery Replacements
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Replacing your laptop battery can be daunting.
However, once you’ve done some research it’s usually not as bad as you might anticipate.
Here are some common questions and answers about laptop battery replacements.
Most importantly, and obviously, is the correct model/part number of the replacement laptop battery. Most batteries can be replaced pretty easily, with basic tools. However, some laptops might require additional tools, or other components removing to access the battery. In most cases, the right battery, the right tools, and a suitable working area is all you need.
Pretty straight forward, with a some caveats…
The BRAND is the maker of the overall laptop device. e.g. Acer, HP, Lenovo, Dell, Toshiba… Mainstream component manufacturers such as AMD, Intel are not the manufacturer. Software and operating system suppliers, such as Microsoft / Windows are not the manufacturer (with the exception of products like the Microsoft Surface).
The RANGE is usually part of the overall model/family. e.g. HP’s PAVILION and ENVY, or Acer’s ASPIRE, or Lenovo’s IDEA PAD…
The MODEL is the crucial piece of information. The format can vary greatly from manufacturer from a simple 325 to 14-ce3520sa…
The SERIAL NUMBER is unique to each individual laptop. Generally this is not required when choosing a battery, unless you are contacting the manufacturer directly, or claiming under a warranty.
Therefore, if we use a typical HP laptop as an example, it might be referred to as “HP Pavilion 14-ce3520sa“
In this instance, the 14 is related to the screen size.
CAVEAT: Depending how you look for the model number, it can sometimes be partially displayed. Taking the above example, the 14-ce3520sa is often abbreviated to 14-ce3xxx. This is adequate in this instance, as all models in the 14-ce3xxx range use the same battery – however it may make finding the matching model number more difficult if you’re looking for the incorrect string.
There are a few ways to find your laptop model number.
UNDERSIDE OF THE LAPTOP CASE – This is the easiest way. The model number is often printed (very small), along with other useful information, such as the memory, voltage, serial number and manufacturer details.
SYSTEM INFORMATION (Windows). In the taskbar search bar type in ‘System Information’. This will display lots of useful information, including the System Model.
MANUFACTURER SUPPORT SOFTWARE – If installed (eg HP Support Assistant) your model number will be displayed.
ORIGINAL PACKAGING or PURCHASE RECEIPT – often has the model number listed.
ONLINE PURCHASE HISTORY – Depending how long ago it was.
The model number is usually clearly printed on the battery itself. If you can’t find the correct battery part number via online searches, you may need to remove the laptop casing to check before ordering. Different manufacturers can have several part numbers for the same battery model. Wherever possible, we have tried to list as many variations as we can find.
Not charging fully.
Doesn’t turn on unless plugged in.
Loses charge quickly.
Battery mis-shaped or swollen.
Yes, though most can be minimised with common sense and basic precautions. A few are:
Damage to other components. Although most modern internal circuit boards are reasonably hardy to basic maintenance, there are still small and intricate connections, wires and fans, so care needs to be taken.
Static charge damage – in many cases this causes no damage, but it is is a possibility, so consider using a grounding connector.
Losing screws! – They are small and have a habit of rolling and bouncing all over the place. Have a plate or jar lid on hand to put them in.
Mixing screws up – Annoyingly, some manufacturers use very similar looking but different screws in places. Keep track of the order you take them out in, so you can put them back in the same order.
Cracking/bending the case – as well as the screws, many cases have additional clips holding the case together, which need to be eased apart in a certain way.
There are many thousands of laptop models out there, and lots of ways to access the battery. Most modern and mainstream laptops have been designed to allow access for replacement/upgrade of parts. Do your research – on here, YouTube and search engines. Make sure you’re comfortable with the process.
In most cases, it’s just a case of a few screws and clips.
Small tools.
The screw/driver types vary. Most laptops require a very small Phillips/cross-head screwdriver (similar size to repairing spectacles). Some require a small alan key (hex) and others require a very small Torx (star shaped) driver.
Some suppliers of replacement laptop batteries supply basic tools with the battery – which is great. Others might sell them separately.
If you like buying tools, it could be a good excuse to add to your collection.
Where cases need prizing (gently) apart, we highly recommend not using metal or sharp objects (eg a kitchen knife). This could easily slip and injure you, or it could damage the case or components permanently.
A thin piece of plastic, such as an old credit card is often ideal.
To protect your laptop case, we recommend having a clear desk/space and laying a towel/cloth down to prevent scratching or slipping.
While you’re breathing some new battery life into your lovely laptop, it may be worth considering a RAM upgrade. Many laptops have a spare RAM slot, or an easily replaced RAM module. This can help to improve your laptop’s speed and performance. On many of our battery pages, we will also link to some RAM suppliers.
We can also help you find replacement laptop power supply cables/transformers, and car chargers (which can come in very useful in emergencies!).
If you can think of anything else we could do to help you, or our future website visitors, please feel free to reach out with your suggestions via our contact us page.