Mobile phone in pocket suddenly explodes... Why do phone batteries burst? Learn how to stay safe..

Reasons for Mobile Blasts: Mobile phones have become an essential part of our lives today. However, if a phone explodes, a major accident can occur in mere seconds. One such incident was reported in the Pandhurna district of Madhya Pradesh, where a mobile phone kept in a young man's pocket exploded. The blast was so powerful that his trousers caught fire, parts of his body were scorched, and even the bone in his leg was fractured.

Following such incidents, the biggest question that arises is: why do mobile batteries explode? Are there any warning signs beforehand? And what should you do to avoid such accidents? Let’s understand the answers to these questions in simple terms...

What is the primary reason for mobile battery explosions?
A malfunction or overheating of the lithium-ion battery is considered the main cause of mobile blasts. In many cases, the internal temperature of the battery rises sharply—a phenomenon known as "thermal runaway." This can cause the battery to catch fire or explode.

1. Manufacturing defects can also be a major cause
If there is a technical flaw during battery manufacturing or phone assembly, it can pose a significant risk later on. If the battery's internal cells overheat, the danger of a short circuit and explosion increases. This risk is generally considered higher with cheap or poor-quality batteries.

2. Dropping the phone can damage the battery internally
If your phone has been dropped multiple times, the battery may have sustained internal damage. This can alter the battery's mechanical and chemical structure, increasing the risk of overheating and short circuits. Do not ignore the situation if the battery begins to swell. In such cases, you should immediately visit an authorized service center to have the battery replaced.

3. Using third-party or counterfeit chargers can prove costly
Many people use cheap or local chargers instead of the original ones. This habit can be harmful to the battery. Such chargers often fail to regulate power according to the phone's requirements, increasing the risk of battery failure or explosion.

4. Leaving the phone charging overnight is not advisable
Leaving the phone plugged in overnight can damage the battery. It can lead to issues like overheating, overcharging, and short circuits. While many modern smartphones cut off the power supply once fully charged, not all phones have this feature. Leaving the phone charging overnight can be particularly risky with older or budget smartphones.

5. Placing excessive load on the phone is also dangerous
Running heavy games, high-graphics apps, or multitasking extensively can cause the processor to overheat. Although many companies incorporate technologies like thermal locks or thermal paste, these may sometimes fail to prevent overheating. Therefore, if the phone starts getting excessively hot, you should stop using it for a while.

6. Leaving the phone in direct sunlight or a hot car is dangerous
Leaving your mobile in direct sunlight or inside a closed car for extended periods can harm the battery. Excessive heat causes gas to build up inside the battery, which can lead to swelling and increase the risk of an explosion.

7. Exposure to water can also increase the risk of explosion
If a non-water-resistant phone comes into contact with water, the battery can get damaged. Water ingress—especially in a battery that is already damaged—can heighten the risk of short circuits and explosions.

Warning signs before a phone explodes
Be alert if your phone exhibits any of the following signs:

The screen becomes blurry or suddenly goes black.
The phone frequently hangs or runs very slowly.
The phone overheats excessively during calls or even during normal use.
Avoid these mistakes to prevent your phone from exploding
Always use the original charger and battery. Never use counterfeit chargers or fake batteries.
Do not charge a wet phone.
Avoid using the phone while it is charging.
Replace the battery immediately if it is damaged or swollen.
Do not keep the phone in excessively hot places.
Do not leave the phone charging overnight.
Do not place the phone on the car dashboard or in direct sunlight.
Do not sleep with the phone charging under your pillow or near your head.
It is advisable to remove the phone case while charging, as this allows heat to dissipate easily.
It is better to use a safe power socket instead of a power strip or extension board.

Keep these important points in mind:
Do not ignore any unusual signs from the phone. If the battery is swelling, the phone is overheating, or there are issues during charging, get it fixed immediately. Always use an original charger, protect the phone from extreme heat and water, and avoid sleeping with it charging under your pillow or near your head. Following these precautions can significantly reduce the risk of serious incidents like a phone explosion.

Disclaimer: This content has been sourced and edited from NDTV India. While we have made modifications for clarity and presentation, the original content belongs to its respective authors and website. We do not claim ownership of the content.