In our ever-growing, world, smartphones have become an integral part of our lives. We rely on them for communication, entertainment, and productivity.

But there’s one common issue that many smartphone users have encountered: overheating while charging.

Have you ever wondered why this happens? Let’s take a look at the science behind it.

ALSO READ: Apple rolls out iOS 17 update to fix iPhone 15’s overheating issues

Smartphone Battery Chemistry

Most smartphones use lithium-ion batteries. While they offer high energy density and are rechargeable, they are also sensitive to temperature fluctuations.

When you charge your phone, it generates heat due to chemical reactions happening within the battery.

This heat can accumulate, leading to overheating if not managed properly.

Fast Charging

To meet our demand for quick charging, manufacturers have introduced fast-charging technologies.

These technologies push more electrical current into the battery at a faster rate, which generates even more heat.

While fast charging is convenient, it can exacerbate the overheating issue.

Inefficient Charging

Older or damaged charging cables and adapters can cause inefficient charging, leading to longer charging times and more heat generation.

If your phone is not receiving a consistent and stable flow of electricity, it may overheat as it tries to compensate.

Background Processes

Even when your phone is plugged in and idle, it continues to perform various background tasks like syncing data, checking for updates, and running apps.

These processes require energy and generate additional heat, contributing to the overall temperature rise.

Environmental Factors

External factors such as high ambient temperatures or direct sunlight can also contribute to overheating.

When the surroundings are already warm, the heat generated during charging has a harder time dissipating, making the problem worse.

Thermal Management

To address the issue of overheating, many smartphones are equipped with thermal management systems.

These systems use sensors to monitor the device’s temperature and adjust the charging rate or shut down certain processes to prevent overheating.

What can you do to prevent your phone from overheating while charging?

• Use high-quality charging cables and adapters to ensure efficient charging.
• Avoid charging your phone in direct sunlight or extremely hot environments.
• Consider using a slower charging speed if your phone supports it, especially in situations where overheating is a concern.
• Close unnecessary apps and background processes to reduce the phone’s workload during charging.

While smartphones have become an integral part of our lives, they are not immune to the issue of overheating while charging.

Understanding the science behind this phenomenon and following some simple precautions can help you keep your phone cool and functional during charging, ensuring it serves you well in the long run.

ALSO READ: Signs that show it’s time to buy a new smartphone