Unfortunately, the battery life of your smartphone will definitely decrease over time. However, there are things you can do to extend the lifespan of your battery. If you’ve ever wondered the best way to charge your battery, here are some scientifically proven tips to maximize the battery life.
Information about Lithium-ion battery
A Lithium-ion battery is used in most smartphones today and can be charged and discharged multiple times thanks to its high energy density, providing higher voltage than normal batteries. They are developed with no memory effect, moderate self-discharge when not in use, and low maintenance. These electrons provide enough energy and can power a device or even an entire house. It can store 150 watt-hours of electricity in 1 kg battery.
Li-Ion operates on the principle of exchanging Li ions between 2 electrodes for charging, discharging, and uses an electrolyte solution as the environment.
Principle of phone battery charging
Typically, the process of charging a phone battery consists of 3 stages: Fast charging, continuous charging, and trickle charging. When the phone battery is almost full, it will enter the trickle charging phase, in which the charging speed is very slow and the current is small. Therefore, trickle charging is very good for improving the battery life of the phone. Also, you should not let the phone run out of battery multiple times as it will reduce the battery life over time.
Mistakes when charging phone battery
These actions may seem like they won’t affect the lifespan of the smartphone battery, but you are wrong.
1. Always charge the battery to 100%
Regularly charging the battery to 100% makes you feel secure and will last longer. However, it is a mistake. According to Battery University, always plugging in the charger when it is already 100% full will be harmful to the battery in the long run. Because it keeps the battery in a stressed state, which can corrode the chemicals inside and can cause trickle charging.
2. Let the phone run out of battery before charging
Many people believe that letting the phone run out of battery to the point of shutting down to “fully discharge and clear the battery memory” is a mistake to avoid.
When the battery is almost empty, the Li-ion battery produces a constant current and operates at a lower voltage. This voltage gradually increases when the battery is fully charged and decreases to about 70% charge level until it is completely charged.
3. Use the phone while charging
Using the phone while charging, such as playing games, watching videos, making calls, using apps, is not good as it disrupts the charging cycle, constantly changes the charging and discharging voltage, which can lead to battery explosions and pose a safety risk.
4. Charge the phone overnight
On average, it takes about 3 to 4 hours to charge a phone. Charging the phone overnight, which takes 7 to 8 hours, will increase the temperature of the battery, causing it to heat up quickly and can easily cause fires or explosions, especially at night while you are sleeping.
5. Use unknown origin chargers
Buying cheap chargers and charging cables helps you save money, but in return, the input and output voltage is unstable, not compatible with the phone, which can easily cause fires and pose a safety risk to the user.
6. Use phone cases
Phone cases are popular accessories that many people love, but most phone cases are hard and thick, have poor heat dissipation, and can cause the temperature to rise when charging the battery, leading to reduced battery life and device performance, and can cause fires when the temperature rises too high.
8. Charge the phone in high or low temperatures
Placing the phone on a computer, refrigerator top, game console, electronic devices that generate high heat or in places with extremely low temperatures can reduce the lifespan of the battery.
Tips for proper charging and scientific use of the battery
Charge the phone when it is still 15%-20%
You should charge the battery when it is around 15-20% and charge it until you receive a full charge notification, then unplug it. Small but frequent charges are better for Li-ion batteries compared to full charge cycles, continuous charging.
Do not continuously charge the battery to 100%
Continuous full charge can cause the lithium metal to accumulate and reduce long-term stability. Additionally, it generates excess heat due to energy waste.
Ending a charge at around 80% will be better for the battery than charging it to 100%.
Low temperature is good for the charging process
Temperature is an important factor contributing to the battery life. Just like high voltage, high temperature stresses the battery and causes it to lose capacity much faster than when kept at a lower temperature.
Close applications while charging
To optimize for battery charging and prolong battery life, you should close running apps, turn off 3G, Wi-Fi, reduce screen brightness, or enable airplane mode to help charge the battery faster and better.
Use fast charging correctly
Use fast charging technology and genuine fast chargers to ensure stable power source and never leave it charging overnight.
Do not place the phone under a pillow while charging
To prevent fires and explosions causing unnecessary injuries, you should not leave the phone charging at the head of the bed or under a pillow. The heat generated can cause fires and explosions, especially at night.
Use genuine chargers
A stable power source, standard materials, and accompanying warranty give you peace of mind when charging the battery.
How to charge a new phone battery
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