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Home > How To > Misusage of smartphone batteries and charging
Misusage of smartphone batteries and charging

Misusage of smartphone batteries and charging

By  Steve Lowry 2018-11-14 787 0

Smartphones continue to be upgraded, both in screen size and in hardware performance. Battery life cannot get quality improvement. While other component technology is developing rapidly, battery technology has not been developed synchronously and has been left far behind. As a result, the battery life of mobile phones has become the biggest headache for users in daily use.

Phone charging

 

There's been a lot of speculation about charging a smartphone battery, and some charging myths have often left people confused. There are plenty of other claims that connecting a smartphone to a charger while you sleep can damage the phone's battery overnight. To help you use your phone more safely and efficiently, let's take a look at some of the pitfalls of cell phone batteries and charging.

 

1. What is fast charging technology?

Today's mobile rapid charging technology can be divided into two categories. The second is the voltage boost. The general idea of the current enhancement plan is to thicken the charging line, expand the charging line from 4 or 5 pins to 7 pins, etc., and the charging line becomes thicker, the resistance becomes smaller, and the current increases. The voltage boost can be understood as adding the voltage at the charging head, and then dropping it on the phone's integrated circuit and feeding it back into the battery.

 

quick charging

 

To sum up, the essence of quick charge technology is to increase the voltage or current reaching the battery as much as possible under certain limited conditions (such as safety), thus increasing the input power.

2. Will charging overnight damage the battery?

Charging the phone overnight may encounter the possibility of repeated charging, while keeping the phone under constant voltage will reduce the battery life. But the smartphones we now use stop charging when they are fully charged, and do not continue charging until the battery is below a certain voltage. Usually, the phone is in standby mode, and the power decreases slowly, so even if it is charged all night, it will not frequently trigger recharging.

 

charging overnight

 

Although charging overnight will not damage the battery, in the long run, the battery life will be greatly reduced, so in order to extend the life of the phone, try to avoid charging overnight.

3. Play with your phone while you charge it?

You might think that using your phone while it's charging will have a detrimental effect on the phone's charging circuit or battery. In fact, a lot of mobile phones now have path management, that is, the phone takes power directly from the charger when charging. Even without path management, there would be no problem getting power directly from the battery.

 

play phone during charging

 

However, considering the temperature, the CPU and screen get hot when playing with the phone. The battery heats up when it is charged. The superheating of the two might allow the phone to reach a higher temperature than it would if it were played alone or charged separately. Therefore, when playing with the phone while charging, you should pay attention to whether the phone is overheating. If it is overheating, you are advised to take conservative measures to cool down.

4. Does the battery need to be discharged at regular intervals?

Many users have the idea that the phone's battery needs "training" to recharge as much battery power as possible, so to do that, users will re-charge the battery every once in a while. When the battery power is more than 80%, it is better to plug in the power to recharge. Actually, this view is wrong. The lithium battery used in smart phones has no memory function.

 

discharge

 

5. Battery management software can help extend battery life?

It can be said that third-party battery management software has no impact on battery life. Often this task management software can allow or block some tasks, but they don't help as much with battery life as they do with built-in systems. You may need third-party apps to better manage apps, but don't expect them to extend battery life.

 

battery doctor

 

6. Is it unsafe to use third-party batteries or chargers?

To ensure that no accidents occur, mobile phone manufacturers often advise users to buy the original parts. However, many users will buy third-party parts certified by the manufacturer after the original charger is damaged. There is no difference in actual use and no safety or functional problems will occur. Only those unbranded, cheap knockoff batteries or chargers have safety problems during use. Therefore, it is recommended that you use original or third party charger/battery as much as possible.

 

third party battery

 

7. Is it safe to play with your phone while charging?

Although there have been cases of accidents when using a phone while charging, it's not really a problem with the phone or battery technology. This can happen by using a charged phone in a sink or bathtub, or by using a cheap, unsecured fake charger. Both the genuine mobile phone and the charger have current protection measures, and the maximum voltage is far lower than the maximum voltage the human body can bear. However, when playing with the mobile phone while charging, the temperature of the phone body should be taken into account. If the temperature is too high, the phone should be stopped to use.

 

 

safe charging

 

8. Will low temperatures extend battery life?

It's a mistake for some users to use their phones at lower temperatures to increase their battery life -- and not just to extend it, but to impact battery life. The reason is that lithium ion batteries can be "hot" and "cold", and the indoor temperature is the best temperature for smartphone batteries.

 

low temperature

 

9. Does the battery need to be activated?

Early nickel-cadmium and nickel-metal hydride batteries required similar "activation." These batteries can have a "memory effect", which is easy to overcharge the battery when the battery is not fully discharged. However, the current battery used by mobile phones is lithium ion battery, whose initialization process is completed at the time of manufacturing, so it does not need to be activated at the beginning of use.

 

10. Reduce charging times can extend battery life?

It was widely believed that lithium-ion batteries lose their energy as they are recharged more often, leading to battery life being lost, but apple explained that the life of a lithium battery depends on the charge cycle, not the number of times. A typical lithium-ion battery can last up to a few hundred cycles, in which the charge is recharged after the battery has run out, rather than once after it has been unplugged.

 

Words in the End

These are some of the misconceptions I think some users may have about smartphone batteries / charging. According to the declining mechanism of lithium ion battery, there is an "optimal" use habit of battery: keep the phone battery at a low power level of 30%-50% until the battery is fully charged to 100% in advance. This reduces the "dead time at high power levels" (for example, 100 per cent of the battery is out for a month, and 50 per cent of the battery is out for a month, the former's capacity declines more). Of course, this strategy is not very practical for current mobile users, so it is only for reference.

 

 

 You may also want to read:
How to maintain cell phone battery?
How to prevent the DVR from running out of battery power?
How to charge phone's battery in the right way?

 

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