Is charging iPhone through Mac harmful?

The first thing users need to know is that charging an iPhone using a Mac does not pose any risk to the battery life or the integrity of the device. In fact, both devices are designed to work together, and the Mac operating system, macOS, is compatible with charging and syncing from a user's iPhone.

Many people have the habit of charging their iPhone from their Mac.

Another important thing to note is that while charging is compatible, it will be slower than using a regular charger, especially if your Mac is running power-intensive tasks, such as editing video in Final Cut Pro or rendering scenes in Blender.

Another issue that can occur is that your Mac's battery will wear out more noticeably, as it uses its own battery to charge your iPhone. This can create higher power consumption and in the long run will reduce the laptop's battery capacity.

Additionally, charging your iPhone with your Mac for extended periods of time can increase the temperature of both devices, and your iPhone is more likely to be damaged because it has less temperature control features than a Mac. Finally, if you are going to use this option, it is best to use official charging cables and those that are Apple (MFi) certified to avoid problems.

What are the charging notes to ensure battery life?

Although batteries will lose performance over time, there are various ways to slow this process down to help your battery last longer. Here are some tips that users should know to ensure longer battery life.

Charging your iPhone with a regular charger is still recommended.

• Don't charge your device fully every day: Device batteries operate in charge cycles, so it's no longer necessary to charge from 0-100% capacity, but to keep your device's battery between 20% and 80% to prolong its usage time.
• Perform a full charge cycle every now and then: To keep your iPhone battery in optimal condition, you should perform a full charge cycle at least once a month. This involves charging your iPhone to 100%, then letting it drain completely, and then charging it back to 100%. This essentially allows the battery to be fully calibrated and display the most accurate battery percentage.
• Cool environment: While charging, make sure your iPhone doesn't get too hot, as this can affect the battery life and the performance of internal components. If you notice any of your devices getting too hot, disconnect your iPhone from the charger.

In short, occasionally charging your iPhone via your Mac won’t cause any significant issues. But to maintain battery life and optimal performance for both devices, you should use a regular charger whenever possible and only charge your iPhone via your Mac when necessary.

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