Swollen Laptop Battery: Why It Happens and How to Fix It


What are the causes and consequences of a swollen laptop battery, and how should it be replaced?

I have a laptop that has a noticeable bulge in its case. When I opened it, I saw that the battery was inflated and deformed. I assume this is a sign of a defective battery that needs to be changed. Here is a picture of the battery:

href=”https://imgur.com/a/86jXSGR” rel=”noopener nofollow ugc” target=”_blank” >https://imgur.com/a/86jXSGR


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A swollen laptop battery is a common problem that can affect many models and brands of laptops. It is usually caused by a chemical reaction inside the battery cells that releases gas and causes the battery casing to expand. This can happen due to several factors, such as overcharging, overheating, aging, or physical damage. A swollen battery can pose several risks, such as reduced performance, fire hazard, or damage to other components of the laptop. Therefore, it is important to replace it as soon as possible.

The first step to replace a swollen laptop battery is to identify the type and model of the battery. You can usually find this information on a label attached to the battery or on the manufacturer’s website. You can also use a tool like BatteryInfoView to check the details of your battery, such as capacity, voltage, and wear level. Once you know the type and model of your battery, you can search for a compatible replacement online or at a local store. Make sure to buy a genuine or certified battery from a reputable seller, as counterfeit or low-quality batteries can cause more problems or even explode.

The next step is to remove the old battery from the laptop. Before you do this, make sure to turn off the laptop and unplug it from the power source. You may also want to back up your data or transfer it to another device, in case something goes wrong. To remove the battery, you will need a screwdriver and a plastic pry tool. Depending on the design of your laptop, you may have to remove the back cover, the keyboard, or other parts to access the battery. Be careful not to damage any wires or connectors, and wear gloves and eye protection to avoid contact with the battery chemicals. You can use the plastic pry tool to gently lift the battery out of its slot, and then disconnect it from the laptop. Do not puncture, bend, or crush the battery, as this can cause it to leak or catch fire. Dispose of the battery properly, following the local regulations for hazardous waste.

The final step is to install the new battery in the laptop. You can follow the reverse steps of removing the old battery, making sure to align the battery with the slot and connect it securely. You may also want to apply some thermal paste or pads to the battery if it came with them, to improve the heat dissipation. Once the battery is installed, you can reassemble the laptop and turn it on. You may need to calibrate the battery by fully charging and discharging it a few times, to optimize its performance and lifespan. You can also monitor the battery health using a tool like BatteryInfoView or BatteryCare.

By following these steps, you can replace a swollen laptop battery and restore your laptop to its normal functioning. However, if you are not confident or experienced in doing this, you may want to seek professional help or contact the manufacturer for assistance. A swollen laptop battery is not only a nuisance, but also a potential danger, so do not ignore it or delay its replacement.“`

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