Don’t Panic If The Battery Health Of Your Apple Phone Is Below 80%. With This Maintenance, You Can Still Fight For Another Two Years.
Many friends choose Apple mobile phones. Once the battery health drops below 80%, they immediately panic and are sure that the mobile phone is about to be scrapped.
In fact, it has not reached that level yet. The battery slowly drops from 100% to 80%. This is just a normal aging reminder, not a scrap notification.
As long as the battery does not bulge and it does not shut down frequently, you can use a few key settings and adjustments to daily habits to significantly improve the battery life of the phone and restore smoothness. It is easy to continue using it for another two years.

The following is a step-by-step disassembly and a step-by-step guide to how to use these tips.
First turn off the performance seal that Apple secretly opened
Once the battery health of your mobile phone drops below 80%, do you feel that your phone suddenly becomes laggy, frames drop when the screen slides, and there is a slow beat when the application is opened?
Don’t rush to blame the old phone. This is actually caused by Apple’s “performance management mode”.
Apple is worried about this. Why is it worried? It is because it is worried that the aging battery will not be able to withstand the large current that occurs at that moment, which will lead to a shutdown. Therefore, its system will automatically reduce the performance of the processor.
A simple solution appears: Open "Settings", enter the "Battery" option inside, and then find "Battery Health and Charging". If the words "This iPhone battery cannot support the maximum power required for peak peaks and performance management mode is turned on" appear below, then directly click "Disable".
After shutting down, the processor immediately returns to a state of full energy. In daily use, the smoothness improvement is very significant.
On weekdays, as long as the battery is maintained at more than 20% and the mobile phone is not used in extremely cold environments, there will basically be no accidental shutdown.
BiKai optimizes battery charging and upper limit limits
Lithium batteries are most afraid of being in a high-voltage state of 100% full charge for a long time.
Many people have the habit of plugging in and charging at night. The battery remains at 100% throughout the night, and its aging rate doubles instantly.
The "Optimized Battery Charging" that comes with Apple is designed to solve this problem. It can learn your work and rest situation, first charge to about 80% of the battery, and then wait until you are about to get up before fully charging. This greatly shortens the time required for a full charge.
To set the path, the steps are to first enter the "Settings" option, then find the "Battery" item, then find "Battery Health and Charging", and finally turn on the "Optimize Battery Charging" function.
If you belong to the iPhone 15 series and newer models, you can also directly set the charging limit to 80% or 90% to avoid charging to 100% every day.
Also remember this habit: don’t wait until the phone automatically turns off before charging. When the battery level is less than 20%, you should charge it because excessive discharge will cause great damage to the battery.
System power saving settings turn off hidden power consumers

A lot of power consumption is actually caused by background functions that you don't use at all.
First of all, if you are using a model with a 120Hz high refresh rate screen, you can open "Settings", then enter "Accessibility", then enter "Dynamic Effects", then find "Limit Frame Rate" and lock it to 60Hz. This is completely sufficient for daily use, and its power saving effect is very significant.
Secondly, the 5G network consumes a lot of power. You can actually use 4G when browsing WeChat or watching short videos. You can go to "Settings", enter "Cellular Network", click "Cellular Data Options", then select "Voice and Data", go there and select 4G, and then manually switch to 5G when you want to download large files or watch high-definition live broadcasts.
In addition, the "Shared iPhone Analysis" in the "Analysis and Improvement" section of the "Privacy and Security" option in "Settings" can also be turned off. This thing has no practical use and is always in a power-consuming state.
After adjusting these settings, daily battery life can generally be increased by two to three hours.
Avoid four major battery-destroying pitfalls every day
For many people, the health of their batteries declines rapidly. This is not due to the quality of their mobile phones, but to their daily habits, which leads to "chronic battery destruction".
First, high temperature is the main cause of damage to the battery. Apple officials have clearly stated that ambient temperatures exceeding 35°C will cause irreversible damage to the battery. Therefore, do not leave your phone in the car to receive strong sunlight in the summer, and do not play large games while charging.
The second point is not to cause automatic shutdown. When the power is below 15%, the internal pressure will increase. Repeated deep discharge will accelerate aging.
First of all, try to use Apple-certified chargers and data cables. Secondly, the voltage and current of relatively cheap non-certified products are unstable. Furthermore, such products can easily cause damage to the battery. Finally, they are very likely to cause the motherboard to heat up.
The fourth point is to avoid leaving the charger plugged in all night as much as possible. If there is no way to charge it all night, then you must turn on the "optimized battery charging" function mentioned earlier.
You can continue to use the battery if it is below 80%
Around me, there are many friends who use iPhone 12, 13, and 14, and their battery health is within the range of 80% to 83%. After setting up according to the above method and adjusting the habits, after more than a year, it is still very easy to use.
The daily battery life that originally had to be charged once in half a day has changed to once a day, and the lag and frame drops are basically gone. There is no need to replace the battery at all.
Let me make it clear again at the end that there are only three situations where it is recommended to replace the battery: first, when the battery bulges, causing the fuselage to bulge significantly or the screen is pushed up; second, when the battery health is lower than 70%, the battery life completely collapses, and needs to be charged three or four times a day; third, when the battery power is more than 20%, it frequently shuts down automatically, seriously hindering normal use.
Moreover, 80 to 85 percent of batteries can fully meet the needs of use after optimization, and there is no need to spend hundreds of dollars to replace them.
What's your phone's battery health now?
Have you ever encountered lag or rapid power loss?
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