Apple reveals ‘50% charging’ rule you must follow or risk breaking your iPhone forever with serious battery damage

APPLE has offered crucial advice on how to avoid serious damage to your iPhone’s battery.

By following the 50% rule, you’ll help ensure you don’t end up with a broken phone that no longer charges.

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Apple has published guidelines on its website for those who want to store their devices long-term.

So if you’re going to put your phone in a drawer or storage for a while, follow the advice.

“Two main factors will affect the overall health of your battery: ambient temperature and your battery percentage,” said the technology company he wrote.

“Do not fully charge or discharge your device’s battery – charge it to about 50%.”

Apple warns that if you store a device uncharged for too long, the battery will enter a “deep discharge state.”

Once the battery reaches this deep discharge state, it may not be able to hold a charge in the future.

However, storing your device with a full battery may cause loss of capacity, impairing its ability to have a long battery life.

When it comes to storage temperature, Apple recommends keeping phones in a cool, moisture-free environment with temperatures below 90°F.

Apple advises against exposing your device to extreme temperatures, whether you plan to store it or not.

“Your device is designed to work well in a wide range of ambient temperatures, with 16° to 22° C (62° to 72° F) as the ideal comfort zone,” Apple wrote.

“It is especially important to avoid exposing your device to ambient temperatures above 95° F (35° C), which can permanently damage battery capacity.”

Charging your device at high temperatures can cause irreversible damage, decreasing the average battery life of your device.

On the other hand, using the device in extremely cold temperatures may damage the battery only momentarily.

Apple writes that any decrease in battery life in cold temperatures will only be temporary.

“Once the battery temperature returns to the normal operating range, its performance will also return to normal.”

Apple has also provided useful hacks for MacBook users who want to preserve their device’s battery.

The technology company advises MacBook users to take advantage of the device’s power-saving setting.

“The Energy Saver preference pane includes several settings that determine your MacBook’s power levels,” Apple described.

“Your MacBook knows when it’s plugged in and works properly. When using battery power, it dims the screen and uses other components sparingly.”

If you are using your MacBook to charge other devices, Apple also advises users to plug in their MacBook while doing so.