The top four tips to slow the decline in iPhone batteries How much capacity is left on your iPhone’s battery? This is an obvious problem for Apple fans. My iPhone 5S has been in my possession for three years. The battery life has declined to 89%. This level of battery health has left me indifferent for a long time. However, many Apple users remain concerned. A decline in battery health will mean that power consumption will increase faster and that the battery life of mobile phones will decrease. Many people have asked how they can slow down the aging of their batteries. Although the battery will eventually lose its capacity, we can make sure they last longer.


Let’s not talk about the impact of changing the battery on the airtightness of the iPhone for the time being. Even if the original battery is replaced, it will still be considered disassembled. You may not be able to get the original battery, which could cause more damage than good. After thinking about it, it’s best to slow down the loss of battery health. The nature of lithium batteries means that we can’t prevent battery health from decreasing during use. But, it is possible to practice good charging habits. Here are some tips to slow down the decline in battery health.


According to Apple’s official statement, the core factor affecting the battery life of the iPhone is “the chemical age of the battery”. A cycle is a range of charge and discharge cycles, which can be defined as 0 to 100%. Apple’s standard for this is: when the charging cycle reaches 500 times, the battery can maintain up to 80% of the initial capacity. If your iPhone battery health is lower than 80% during the warranty period, you can apply to Apple’s official after-sales service for free battery replacement.

iPhone batteries

Apple uses a very conservative standard. The battery health will not decline to 80% even if the normal usage is 500 times. If we want to slow down the decline in iPhone battery health, it is best to not charge and discharge until you reach a cycle. It is important to wait until your battery is at 0% before you charge it. Usually, we need to recharge it at any time when we have charging conditions. It is good to be able to maintain the range between 25% and 75%, and at least about 25% should be considered for charging.


In Apple’s official documentation, there is a sentence that mentions that fast charging is convenient, and slow charging guarantees life. A couple of tests using 5w, 18w, and 20w chargers to charge the same new iPhone for two months reveals that only the 5w iPhone battery is kept at 100%. It is much easier to reduce the battery life by using fast charging more often. The existence of trickle chargers is important for long-lasting use. This is also why optimizing the charging function is so important.

iPhone batteries

iPhones automatically turn on the function to optimize battery charging. If you don’t care about battery life, you can choose to turn it off. Although the iPhone’s charging speed will increase if you turn it off, it isn’t immediately obvious.

This function will intelligently recognize your charging habits. It will remember the time interval you have been charging your phone over night if you do this. It will slow down charging speed and prolong the charging time if it reaches 80%. This will protect your battery’s health.


The full operating temperature of the lithium battery of electronic devices such as smartphones is 0~40 °C. When the temperature is lower than 0 °C, the performance of the lithium battery will decrease. If the temperature is higher than 35 °C, the battery capacity will be lost. In this regard, Apple officially states that the best working environment for Apple devices is an ideal temperature zone between 16°C and 22°C. In addition, Apple also emphasized: “When using the phone in a very cold environment, the phone’s use time will decrease and the battery will drain quickly, but this situation is only temporary. When the battery temperature returns to the normal operating range, its performance will also be reduced…” This means that we should not place the iPhone in temperatures above 35 degrees. The iPhone can stop charging when the power is at 80%. The battery can be irreparably damaged if it is left in high temperatures for too long. Battery life can be affected by other environmental factors as well as heat from the phone. It is common for people to play games while their iPhone is charging. This can cause abnormal heating. We recommend that you avoid charging your iPhone while you are playing games to protect your battery.


Charging accidents can be caused by using third-party chargers that are inferior. These chargers are not equipped with the appropriate safety mechanisms. This means that there is always a chance of overshoot or overheating and short circuit. Although Apple’s original charger is not necessarily the fastest charging, it must be the safest. It offers over-current protection, high-voltage protection, and protection from flames. The premise is to protect the battery and reduce the chance of it dying.


However, Apple’s original charger has two problems that users often complain about. It is costly and it isn’t durable. For the safety and security of your iPhone, you should still use the original iPhone charger.


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