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Home > How To > How to charge phone's battery in the right way?
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How to charge phone's battery in the right way?

How to charge phone's battery in the right way?

By  Matthieu Andre 2018-08-10 22985 0

Batteries are very important for smartphones. But somehow, users may damage it due to a wrong charging practice. In this post, we will take a close look at Lithium-ion battery first and give our tips according to science.


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Know something about Lithium-ion battery

Most of batteries in our smartphones are Lithium-ion battery. One of the biggest advantages of a Lithium-ion battery is its high energy density which allows supplying higher voltage than normal. Available with different types of Lithium-ion batteries, they are developed with zero memory effect, a moderate self-discharge rate when it is not being used, a low maintenance. Those electrons supply enough energy and can boost a device or even an entire home. They can also store 150 watt-hours of electricity in 1 kilogram of battery.  

Lithium-ion battery 

Usually, the phone's battery charging process includes 3 stages: rapid charging, continuous charging, and trickle charging. When the phones' power is close to be full, it will enter the trickle charging, in which the charging speed is very slow and there is a small current. So the trickle charging is good for improving phone's battery life.

the phone's battery 3 stages charging process 

9 tips for properly charging your phone's battery

We collected 9 frequently asked questions about charging phone's battery, and provided some scientific tips to help you extend your phone's life expectancy.   

1. At what percentage should I charge and recharge my phone?

According to Battery University, it is recommended you only let it reach up to 50 percent before charging again. Although there is a safeguard designed on Lithium-ion batteries protecting the batteries, you should also avoid pushing a lithium-ion battery all the way to 100 percent.

Some exceptions to this rule are also considered, once a month, let the battery undergo a full discharge to about 5 percent, that will give an estimated battery time remaining.


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2. Will charging with power bank reduce phone's battery life?

The power bank is necessary in our daily life, but it's not so good for your phone's battery if you often charge your phones with it. On the one hand, there are many bad quality power banks on the market. They will affect your phone's charging effect, and unable to provide better protection during the charging process, such as over-voltage protection, short circuit protection,etc. On the other hand, most power banks will automatically disconnected from your phones before it enters the trickle charge. So it will damage your phone's battery in the long-term use.  

charging phones with a power bank  

3. Is it ok to use my phone while it's charging?

Yes, you can use your phone while it's charging, as long as you are not using a inferior third-party charger. As the third-party charger will be not only bad for your phone's battery, but may cause explosion. So do remeber to use the original charger to charge your phones.   

using phones while charging 

4. Should I keep my phone plugged in when it is fully charged?

Keeping phone's battery healthy may be challenging for users due to charging habits. According to Battery University, leaving your phone plugged in when it is fully charged is bad for the battery in the long run. Because it keeps the battery in a high-stress, high-tension state, which wears down the chemistry within and may cause to the battery trickle charge. Therefore, do remember to unplug your phone in time when it is fully charged.

5. Should I fully charge my battery?

According to Battery University, Li-ion does not need to be fully charged, nor is it desirable to do so. It is better not to fully charge, because the high voltage stresses the battery and wears it away in the long run. In addition, most rechargeable batteries are designed to last about 400 cycles. If you let it run to zero, and then charge it to full 400 separate times, the battery will no longer be able to hold a full charge and it will take more of the stored charge to normally operate your phone. 

It is better not to fully charge your phones 

6. What should I do if my phone gets hot during the charging?

Smartphone batteries are sensitive to temperature. If you notice that your device gets hot while charging, take it out of its case first. If you are out at extreme temperature, keep your phone covered. It will protect your battery's health.

paying attention to phone's temperature while charing  

7. Is it bad to charge my phone overnight?

Yes. By keeping your phone charged overnight, your phone's battery life will be shorter and the battery's temperature will rise, causing a quick heat and damaging the capacity. If you are going to plug in your phone before sleeping, make sure everything works properly and you are charging properly.

charging your phone while sleeping 

8. Can I charge my phone with case on?

The phone case will slow down the heat dissipation of your phone's battery, so we highly recommend that you remove your phone case while charging. Besides, It is especially important to avoid exposing your phone to ambient temperatures higher than 95° F (35° C), which can permanently damage battery capacity.

9. How can I take care of my phone's battery and store it?

If you are going to be storing your smartphone during an extended period of time, you should leave it with a charge around 50 percent and switch your device off in a place not too cold, not too hot. To avoid damaging your battery, use an official cable to optimize the charge.

Bottom line

Therefore, extra care must be due when you are charging your phones. And hope those tips above will help you to improve your phone's battery.


 You may also want to read:
 4 secret ways to revive any dead phone battery
 Troubleshoot Palo NC05 LCD battery charger common issues
 Fix Ulefone Metal smartphone battery drain & charging issues


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