Nowadays, almost everyone knows how to use a smartphone or laptop, but many of us still make mistakes that cause devices to break down quickly. One of these problems can be a swollen battery. This is a scary thing, but if you encounter it, it is important not to panic, understand its causes and take measures to save both yourself and the device.
What about the battery? It has an anode and a cathode, inside which there is an electrolyte. During charging and discharging, lithium ions move between the anode and cathode, but over time they can accumulate on the anode, which leads to an increase in battery volume. The reasons for this can be very diverse: overcharging (if you leave the phone on charge overnight), overdischarging (if you discharge it to zero), a faulty BMS board, physical damage or adverse conditions of use such as heat or cold. Manufacturing defects can also occur.
If your battery starts to swell, first turn off the device and disconnect it from the charger. Do not use it as it can cause additional stress and increase the risk of rupture. Preferably contact a professional service center with good reviews. Until you take your phone for repair, store it in a well-ventilated place, away from sunlight and without putting pressure on the battery. In the future, avoid overcharging, overdischarging, extreme temperatures and using non-original chargers. Clean your device regularly and try not to drop it; this will help extend the life of the battery.
Source: Ferra
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