What Percentage Should You Charge A MacBook? (Why It’s 25-85%)


Many peoples are confused about MacBook battery health. Should you let your MacBook drain to zero before charging or charge it to 100 percent every time? I understand how it can be confusing, so in this article, I will explain what percentage you should charge your MacBook Pro for optimal battery health.

According to battery university, the best percentage to charge your MacBook is between 25% to 85%. It is better than charging it to 100% and then letting it drain to 50%. Avoid draining your battery to 0% as this damages the battery in the long run.

You can see, battery university’s post here.Opens in a new tab.

I will tell you how low you should let the MacBook lithium battery get before charging. If you want to estimate your laptop’s battery life, this article will help you learn the best cell cycle for your MacBook and if you should unplug your MacBook when it is fully charged.

Looking to make your MacBook better? Amazon has the best selection of MacBook accessories, which are durable and made of high-quality materials. Click here Opens in a new tab.to find the perfect accessories to meet your needs.

How Low Should I Let My MacBook Pro Get Before Charging

You should charge your MacBook at around 30-40% charge. if you charge lower than 30-40% this can damage the MacBook system operations which can damage the battery.

If you have used MacBooks for a long time, Apple initially used nickel-based cells for their MacBooks which performed better if you regularly discharged the batteryOpens in a new tab.-draining them to 0%. Modern MacBooks have lithium-ion batteries which are good at being charged and discharged in different amounts over time without losing a lot of charge when inactive.

Read the following benefits of why it’s best to keep your MacBook between 30% to 50%

1.Enables A Consistent Workflow

How does it feel when working on a crucial project and all of a sudden your computer turns off? It happened to me numerous times with my older 2015 MacBook, which had terrible battery life. if you charge your MacBook at 30%-40%, this will never happen to you.

If you notice your MacBook battery-draining far too quickly then perhaps your MacBook battery is damaged. To check your Mac’s battery health as well as if it’s worth replacing a MacBook battery see our guide.Opens in a new tab.

2.Improves The Battery Life

If you let your computer go to zero, you will have used a 100% of one cycle which translates to a higher chance of your battery completing its shelf-life early. MacBook batteries are to retain 80% of their efficiency after 1000 charge cycles.

“Your battery is designed to retain up to 80% of its original capacity at 1000 complete charge cycles

AppleOpens in a new tab.

If you wait until 30%-40% charge before recharging your MacBook this is only half a cycle, overtime this increases the longevity of your MacBook battery health, for more information about how to optimize your MacBooks charging see our article.Opens in a new tab.

3.You Waste Less Energy

Charging a MacBook from 0%-100% requires a lot of energy around 20,000 mAh(milliamp Hour) to get a full charge, and around 12,000 mAh for about half a charge.

If you only charge from 30%-80%, this requires less energy and reduces the risk of issues like computer overheating from overcharging a battery. The way lithium batteries store energy requires careful charging past 80%; after that, it is easy for batteries to overheat or even cause fires! This is why your MacBook and iPhone charge super fast, from 80%-100%

As 100% is not true 100%, rather it is the maximum that a batteries controller circuitry or connected operating system belies it can safely hold full charge. If you charge your Mac to 100% all the time this causes your lithium-ion batteries to age faster. See Battery University statement below.

Lithium-ion suffers from stress when exposed to heat, so does keeping a cell at a high charge voltage…Exposing the battery to high temperature and dwelling in a full state-of-charge for an extended time can be more stressful than cycling.

Battery University

4.It Charges Faster

If you recharge your MacBook from 30%-80% this is far quicker than charging from dead which takes around two hoursOpens in a new tab.. As I write this article I charged my M1 MacBook AirOpens in a new tab. from 40% to 82% in around 25 minutes.

I am using the official MacBook chargerOpens in a new tab. but can you use third party charges without damaging your MacBook? Learn the facts in our article.Opens in a new tab.

5.To Fully Use The MacBook

When a MacBook power is less than 20%, the MacBook will lock essential features like brightness or disable some programs similar to your phone stopping flashlight at low battery. If you never let your MacBook go below 30%, this keeps your MacBook running properly.

What Is A Good Battery Cycle Count For A MacBook?

Apple designed the MacBook is retain up to 80% of its original capacity at 1000 complete charge cycles, so less than 1000 battery cycles is a good number. 1000 battery cycles is roughly six years of use.

A battery cycle means a total of 100% power usage. If you use your MacBook to zero, it means you have gone a 100% cycle. But it is advisable to use half a cycle of the battery and recharge it again. This will extend the life of the battery to even more than six years.

Apple Company knows that too well, and therefore, they provide a way that you can checkOpens in a new tab. the battery count for Mac Notebook Pro. But remember, some MacBook pro may show different charge cycles. So, you can check your preferred MacBook’s cycle count and other information hereOpens in a new tab..

It is crucial you know how to check your MacBooks cycle count to know if it’s worth it to replace your MacBooks batteryOpens in a new tab.. Heres how you do it

How To Check MacBooks Battery Cycle Count

  1. On the top left of your menu bar(the apple icon) click on ‘about this Mac’
  2. Then click ‘system report’
  3. Navigate to ‘Power’ which is under [hardware] and you will see your cycle count under ‘health information’ as well as your batteries condition

Should I Unplug MacBook When Fully Charged?

You do not need to unplug your MacBook when fully charged as Apples lithium-ion battery stop charging when the device is at full power. But, you should unplug the charger because excessive overcharging overheats the batteries causing damage to the MacBook overtime.

As mentioned in this article your laptop will quickly charge from 80% to 100% but don’t force your laptop to be ‘fully charged’ because this damages your computer in the following ways.

Your Laptop Can Overheat

If you leave your MacBook on overnight without unplugging it, it can overheat. This is worse when your doing something extensive like gaming, to see if you can play games on your MacBook without damaging it see our articleOpens in a new tab..

It Risks A Blackout Damaging Your Device

If you live in a country or state where blackouts are very common(number 1 is CaliforniaOpens in a new tab.)this risks your computer becoming damaged via short-circuit which. Always leave your MacBook unplugged when you go to bed to avoid this from happening.

It Decreases Battery Life

When you don’t unplug the computer often, the excess heat can cause instability in the cell’s chemical compounds. Soon, you will realize the battery will lose its power capability and charge more slowly.

Want a complete guide to correctly charge your MacBook? If so you should read my ultimate MacBook battery guide.Opens in a new tab.

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