Every time we charge our laptop to 100%, a battery cycle is completed, regardless of how many times the phone ends up being plugged in during the day. If your mobile phone battery lasts 300-500 charge cycles, this may mean that the battery will start to suffer after about two years. This is completely normal! Although certain methods that result in faster degradation should be avoided, certain tricks can also help you maximize this lifespan.
Try to keep the battery between 20 and 80% charged
Several studies indicate this keep the battery between 20 and 80% charge is beneficial to its longevity. Other studies claim that it is even better to keep it between 40 and 80% – and even at the extreme between 40 and 60% – but the general rule is to keep it between 20 and 80%.
When the charge exceeds 80%, you stress and degrade the battery’s ion cells, which means the battery suffers and the range decreases over time. The same is true when the battery drops below 20%, which means you’re putting more strain on it. By keeping it within these limits, you therefore do not strain the batteries as much and you extend their life.
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Monthly, it may be good to discharge the battery completely and charging it to 100% to sync the OS battery indicator but nothing more. By doing this, Android or iOS will always show the exact percentage of battery charge remaining, but this should not be overused.
How to keep batteries always between 20 and 80%?
The big question is how you always keep that charge on your phone. iOS users have it easier because one of the new features of iOS 13 on iPhones is a system that causes overnight charging to stop at 80%, so that the system, through artificial intelligence, can estimate when you turn off your alarm clock every morning and prepares it to be charged to 100% when you wake up and need your phone.
On Android phones, things are much more complicated, as you will need to install third-party tools such as Magisk’s Advanced Charging Controller, a program that lets you set minimum and maximum charging and discharging limits. There are also other non-rooted apps that do not limit charging but warn you when the limits you want to start or stop charging are reached, e.g. Battery Charge Notifier.
It’s not so bad to leave your phone on charge all night
In any case, you should also know that current batteries do not behave the same as other types of older batteries. This means that if you charge a battery to 100% before discharging it, its capacity will not be reduced in the long term because it is prepared for this behavior.
It is also safe to leave your phone charging overnight., because the new generations of lithium-ion or lithium-polymer batteries do not suffer from being plugged in for long periods of time to recharge them. In many cases, the batteries simply cut off the input flow when they sense that they are already 100% charged.
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Only if this charge is reduced will the battery charge be reactivated again, but at small intervals, such as makes the phone when you stand up charge to 100%, but without that it is warm, as could happen if we took the device as soon as this level is reached.
Keep your mobile battery calibrated
Your phone’s operating system uses a series of internal algorithms to calculate your battery percentage at any given time. Today, these percentages are usually pretty reliable, but you can still do things that inadvertently affect their calculations so that they don’t calculate the remaining battery percentage correctly and become uncalibrated. Therefore, once a month or every few months it can be useful to calibrate the battery.
How to do this depends on the operating system. Apple gives very specific instructions on how to calibrate the battery: first charge the phone’s battery to 100%, then discharge it completely until it turns off when it reaches its limit. Then let the phone sit for 6-8 hours before recharging to remove excess battery and then charge the phone for another 6-8 hours with the device off.
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On Android, there is no manufacturer-mandated method, but generally you can follow a process similar to Apple’s for all other brands. First charge the battery fully, and after making sure it is fully charged, discharge it until it turns off automatically. Let the phone rest for 4 hours if there is excess battery left, then charge it again with the phone turned off. Wait until it’s 100% and leave it a little longer, just in case.
Try to avoid overheating the battery
Another important tip to take care of your cell phone battery is to avoid overheating it, as overheating reduces its performance and shortens its life. For example, if you find yourself playing a game and everything starts to heat up, it might be best to take short breaks, especially when you’re constantly using your phone.
For example, if you’re driving while using a navigation app, make sure the phone isn’t exposed to direct sunlight through the windshield, as this will almost certainly cause it to overheat. . In this case, it is ideal to find somewhere out of direct sunlight inside the car.
Of course, you should not leave your laptop in the sun, even if you don’t use it. Therefore, be careful not to leave it in direct sunlight when you are at the beach or swimming pool, and do not leave it on the car seat either. You can leave it for a few minutes, but avoid leaving it in direct sunlight, especially in hot weather.
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This also applies to recharging your mobile phone battery, for example by not leaving it on a table or other place where it is exposed to direct sunlight. Or even at the beach, if you have a portable charger, don’t let it charge in direct sunlight.
Use original chargers whenever possible
Finally, let’s talk about chargers. Each charger tends to have very specific features that manufacturers rarely mention, so people end up overlooking them. It is actually advisable to use the charger that came with your phone whenever you can, and above all to avoid using cheap chargers of questionable quality that you can find in many stores. They can be useful at times, but don’t overdo it.
If you need to buy a new charger and you can’t get an original charger, check the voltage and current of the original charger or the one that your phone supports, which will appear in the instruction booklet, the box of the device or the charger with the letters V for the voltage in volts and A for the amperes of the current. Not that it does much harm to your battery, but it will help you get a much faster and optimized charge. You also want to be sure that the materials and construction of the charger are correct and there is less risk of damage.
This article was written in collaboration with our colleagues from Xataka.