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What Kills iPhone Battery Health?

What Kills iPhone Battery Health?

iPhone battery health is a significant factor in the longevity of your device. A healthy battery will last longer and provide reliable performance for years. Unfortunately, there are many things that can damage your battery and reduce its health. From environmental factors to the way you use your phone, there are several potential causes of battery damage.

Environmental Factors

Extreme temperatures are some of the most significant environmental factors that can damage your battery. If your phone is exposed to temperatures that are too high or too low, your battery life will be affected. It is best to keep your phone away from direct sunlight and other sources of heat. Similarly, do not leave your phone in cold temperatures for an extended period of time.

Charging Habits

The way you charge your phone can also have an impact on your battery health. It is best to charge your phone when it is at 50% or lower, and unplug it when it reaches 80% or higher. Additionally, you should avoid using third-party chargers as they may damage the battery in the long run. Stick to the charger that came with your phone.

Software Issues

Software issues can also reduce the battery health of your phone. If you have an outdated version of iOS installed on your phone, it may be draining your battery faster than it should. Additionally, if you have too many background apps running, your phone will use more battery power than necessary. Make sure you regularly update your iOS and close any apps that you are not using.

Physical Damage

Physical damage can also decrease the battery health of your iPhone. If your device has been dropped or otherwise damaged, it may be affecting the battery life of your device. Additionally, if you have cracked the screen of your phone, it may be causing the battery to drain faster. Make sure to keep your phone in good condition to ensure optimal battery health.

Battery Cycle

The number of times you charge and discharge your battery can have an impact on its health. If you frequently charge and discharge your battery, it will reduce its lifespan over time. It is best to charge your phone to about 80% and then unplug it, rather than charging it all the way to 100%. This will help keep your battery healthy in the long run.

Battery Age

The age of your battery is also an important factor in its health. As the battery gets older, it will start to lose its capacity and become less efficient. Generally, lithium-ion batteries will start to lose their capacity after 500 to 1000 charging cycles. Additionally, older batteries may be more prone to damage from environmental factors such as extreme temperatures.

Poor Quality Batteries

Using poor quality batteries can also reduce the health of your battery. If you buy a replacement battery for your iPhone, make sure it is from a reliable source. Poor quality batteries may not last as long and may be more prone to damage from environmental factors. Additionally, they may not be able to hold a charge as well, resulting in shorter battery life.

Using An iPhone Case

Using an iPhone case can also reduce the battery health of your device. Cases can block the air vents, resulting in a buildup of heat and reducing the efficiency of the battery. Additionally, some cases may cause your phone to overheat, which can reduce the health of your battery. It is best to use a case that is designed to allow air to flow freely.



There are many things that can damage your iPhone’s battery health. Environmental factors such as extreme temperatures can reduce the lifespan of your battery. Additionally, poor charging habits, physical damage, and poor quality batteries can also reduce the health of your battery. It is important to be aware of these factors and take steps to ensure your battery remains healthy.

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