MacBook Pro Battery Health: Is Constant Charging Safe?

Is It Safe to Leave Your MacBook Pro Plugged In? Battery Experts Weigh In.Apple’s MacBook Pro is designed for high performance and long-term use. A common question among users is the safety of keeping the laptop constantly connected to power. New findings confirm it is generally safe, thanks to intelligent software.This safety is primarily due to a feature called Optimized Battery Charging. It helps preserve the long-term health of the lithium-ion battery by managing its charge cycles.

How Optimized Battery Charging Protects Your Battery

MacBook Pro batteries have a finite number of charge cycles. Apple engineers them to retain up to 80% of their original capacity at 1,000 cycles.Optimized Battery Charging, introduced in macOS Catalina, learns a user’s daily routine. The system will pause charging at 80% if it predicts the laptop will remain plugged in for an extended period.It only completes the charge to 100% just before the user typically unplugs it. This practice reduces battery aging by minimizing the time it spends at full capacity.

When the Smart Feature Might Not Be Optimal

The system is not perfect for every user. Its effectiveness relies on recognizing consistent patterns in computer use.Individuals with irregular schedules can confuse the algorithm. Frequent travelers or users with shifting daily routines may not benefit fully from the automated featureIn these cases, the feature may hold the battery at 80% unnecessarily. Users can manually disable it in their system settings under Battery Health.

Best Practices for Maximum Battery Longevity

For those seeking more control, third-party applications exist. Tools like AlDente allow users to manually set a maximum charge limit.Basic habits also significantly impact battery lifespan. These include managing screen brightness and avoiding exposure to extreme heat or cold.Ultimately, modern MacBook Pro batteries are resilient. Letting the battery discharge to around 20% occasionally is healthier than constant full charges.

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Keeping your MacBook Pro plugged in is safe for the device. Leveraging built-in tools like Optimized Battery Charging is key to maximizing your investment’s lifespan for years to come.

Thought you’d like to know

Does keeping a MacBook Pro plugged in ruin the battery?

No, it does not ruin it. Modern MacBooks include software to prevent overcharging. The system manages the battery’s charge level to minimize wear.

What is the 40-80 rule for MacBook batteries?

It is an old guideline suggesting keeping a battery between 40% and 80% charge. This reduces stress on the battery, but macOS features now automate this process.

Should I turn off Optimized Battery Charging?

You might consider turning it off if your daily schedule is highly unpredictable. For most users with a routine, it is best to leave this feature enabled for battery health.

How many years does a MacBook Pro battery last?

A MacBook Pro battery is designed to last for years. It typically retains significant capacity for around 1,000 complete charge cycles.