How to keep your smartphone battery safe

You can stop your phone battery from spoiling quickly

Most smartphones today uses Lithium batteries. These batteries have many advantages, such as large storage energy, high efficiency, and reusability, etc. However, its security issues have to be paid attention to. Here are the best ways to keep your Lithium-ion battery safe

  • Avoid high impact falls

If you are careless with your phone and they drop frequently, then you are in for some trouble. This will not only destroy your screen which you can easily replace, it will also quietly destroy your smartphone battery.

It is very common for a lithium-ion battery to heat up in a short time or even explode as a result of a high impact force on the battery. If you didn’t know this before, now you know – avoid dropping your phone.

Redmi Note 7S smartphone battery

  • Avoid high charging current 

Sometimes, we may experience over-voltage and the current output is abnormal. If you charge your phone in such a situation, you are putting your battery at risk.

Charging and discharging of mobile phone lithium batteries is actually a chemical reaction. When charging, the lithium atom of the positive electrode loses an electron and becomes negative. The reverse is the case when discharging.

However, when there is a high charging current, the rate at which the positive electrode loses an electron becomes too fast. This causes an internal disturbance that can damage the smartphone battery.

  • Do not frequently overcharge your battery

It is very common for us to leave our device to charge while we go to bed. This act is actually unhealthy for the battery. Frequent overcharging will aggravate the gas production of the battery.

Frequent overcharging will increase the internal pressure of the battery and cause swelling. Of course, once the smartphone battery swells, its performance will most likely not remain the same.

Recent smartphones come with features that stop the current supply when the battery is full. When the phone is fully charged, the battery’s electronic control circuit will stop charging. If the quality of the battery itself is not good enough, inferior batteries are more likely to cause excessive charging and discharging.

  • Do not use non-original low-quality chargers 

Inferior chargers cannot provide the voltage and current that are compatible with the charging requirements of the mobile phone during the charging process. This results in overcharging, which will often accelerate the aging of the mobile phone battery.

  • Avoid frequent charge in a high-temperature environment

Generally, the best environment for charging lithium batteries is around 25°C. When charging mobile phones in summer, the temperature is high, and the charger generates heat. In addition, the temperature of the small surface inside the battery increases, and the body heat dissipation is not good, which is more likely to cause the battery to bulge. This affects the life span of the battery.

  • Avoid keeping phones for a long time without using them 

Mobile phone manufacturers recommend that users regularly charge the mobile phone to about 50%. This will help in maintaining the battery and prolong its life span. Because the lithium-ion battery is mainly composed of lithium polymer, keeping it unused for a long time may cause some internal changes. This may cause the battery to swell and lose its potentials.

Also, avoid the following

  • Do not use a sharp metal object to pierce the cell itself
  • The battery should not be in a high-temperature environment above 60 degrees Celsius
  • Do not burn the battery
  • Do not squeeze the battery
Fast charging will not kill your battery 

Of course, some people worry that mobile phones now support fast charging and this may cause the battery to bulge. We don’t have to worry about this. When designing fast-charging solutions, mobile phone manufacturers have very high requirements for battery design and monitoring. Especially for high-power fast charging, multiple safety protection measures, temperature control, and voltage will be considered. Therefore, if you develop good charging habits, you don’t have to worry about battery life.

The battery life is calculated according to the number of charge and discharge cycles. A complete charge and discharge cycle will reduce battery life by one time. The batteries designed by most manufacturers can basically reach about 500 charge-discharge cycles. Therefore, if you want to maintain the battery, don’t overcharge it every time you charge it (full charge obsessive-compulsive disorder).

All in all, the swollen battery is irreversible. We should replace the battery in time after finding the swollen battery. Do not listen to the solution on the Internet to avoid unnecessary losses. Mobile phone charging technology is advancing rapidly. Presently, we have 100W fast charge capacity. However, we must be careful to follow safety measures with batteries. Thankfully, most smartphones now come with undetachable batteries.


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