For a long time, there were no stories about spontaneous fire outbreaks of smartphones. Now, an old iPhone 4 of a US user caught fire. The smartphone was on the kitchen table and left to charge overnight. It would seem that an absolutely typical situation without any safety violations. Such as charging under the pillow, leading to overheating of the battery. However, at one not-so-great moment, the smartphone decided to make a couple of pops and burst into flames. The uniqueness of this event is the fact that at the moment of the incident, there was a video surveillance camera filming it.
iPhone catches fire on video!
True, there is one important thing: we are talking about the old iPhone 4, the battery of which would have been 13 years old this year, for which it has clearly worn out quite well, and safety and quality control standards have certainly been better since then.
Why smartphone batteries explode during charging?
Smartphone batteries can explode or catch fire during charging for a variety of reasons. One of the most common causes is overheating. Which can occur when a battery is overcharged or charged at a higher voltage than it is designed to handle. This can cause the battery’s internal temperature to rise, which can cause the battery to expand, warp, or even rupture.
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Another cause of battery explosions is damage to the battery itself. If a battery has been punctured, crushed, or otherwise physically damaged, it can become unstable and more likely to explode or catch fire. Similarly, if a battery has been exposed to water or other liquids, it can become corroded and more prone to failure.
A third cause of battery explosions is the use of counterfeit or substandard chargers and charging cables. These devices may not have the same standards as genuine chargers. And may not have the same safety features. This can cause the battery to be overcharged or charged at a higher voltage than it is designed to handle. Which can lead to overheating and explosions.
It is important to note that these kinds of incidents are rare and the vast majority of smartphone batteries are safe to use. However, it is always a good idea to take precautions to protect your phone and battery. Such as using a reputable charger and avoiding charging your phone overnight. If you notice any unusual behavior with your phone’s battery, such as overheating or swelling, stop using the phone immediately and contact the manufacturer or the retailer.