Why is My MacBook Battery Draining So Fast – Top Reasons

Article By: Hess Brown - July 19, 2022, Last Modified: July 26, 2022
Why is My MacBook Battery Draining So Fast

It is well known that some components in your MacBook might experience problems over time, just like any other technology. In this scenario, the problem is your MacBook battery, which is frequently exposed to a wide range of computer problems. So if you have been wondering why is my MacBook battery draining so fast, we will explain why in addition to providing their remedies.


Why is my MacBook battery draining so fast | Six reasons and remedies


One of the worst things many MacBook users see on their screens is the “low battery” alert. This alert won’t affect you if you are close to a power outlet. However, this will present serious problems if you are far from a power source. Thus, at times you may wonder why is MacBook battery draining so fast. Below are key issues to watch out for, especially if you are wondering why does my MacBook die so fast and why MacBook not holding charge.


Examine and modify the battery settings

Examine and modify the battery settings - Why is My MacBook Battery Draining So Fast

It’s usually helpful to look at the battery percentage at the top menu, where the battery shows, so you can see just how quickly it’s depleting.


The battery symbol will display which applications consume the most power when you click on it. Click Battery Preferences from here. You can choose to dim the display when a Mac is not plugged in as well as the period of time your display should wait before turning off inside this.


Examine the condition of the battery


The MacBook battery has several charge-discharge cycles that it might go through over its lifetime. In fact, this is a reasonably constant figure. In terms of battery health, count cycles provide far more information than a simple charge display.

Mac battery dying too fast? Install CleanMyMac X to get rid of unwanted applications, power-hungry background programs, and increase the overall health of your MacBook.

Select About This Mac > System Report from the Apple menu. For power specs, scroll down.


Organize your power adapter preferences

Organize your power adapter preferences

It is always wise to take this precaution while attempting to save battery life on any device. It may even be handy if you find yourself without a power source.

  • Hit the Apple menu at the top left of your MacBook
  • Enter System Preferences and choose Battery.
  • Choose the Power Adapter tab next.
  • This screen should have a slider that, when moved, will cause the display to turn off after a certain period of inactivity, preventing battery consumption.
  • The checkbox next to “Enable Power Nap while hooked into a power adapter” must be unchecked.

Discover what is using up energy

Discover what is using up energy

Knowing what is utilizing energy in the first place is usually helpful when looking at a rapidly depleting battery. Take the following actions to find out:

  • Access Applications.
  • Then choose Activity Monitor under Utilities.
  • What is using the CPU and GPU will be seen in Activity Monitor.
  • Close anything that is obviously using too much battery life.

Find background applications


Most Macs can run hundreds of programs in the background without our knowledge. Some of these could be operating because we overlooked them. During the setup process, others open. Others could be designed to steal data, steal computer resources to mine cryptocurrency, or even conduct remote DDoS attacks. These infections could be malware, ransomware, or other things we are unaware of.


Dim the display’s brightness

Dim the display's brightness

The brightness of your screen’s illumination is similar in that it uses more energy when it is brighter. Look under Displays settings in Preferences and make a few adjustments there. The “Automatically change brightness” checkbox should be selected.


Here are some tips for avoiding battery drainage

  • Be careful to disconnect from Bluetooth before placing your MacBook in sleep mode. Click the Bluetooth icon on the top strip and switch it to the off position.
  • Putting your MacBook in flight mode will make that process go more quickly. This will prevent all connections from working, including Wi-Fi, allowing the device to charge all night.
  • You can entirely shut down the MacBook at night rather than leaving it in sleep mode.



It’s safe to say that battery problems can be pretty annoying, especially when a lot of work is needed by a particular deadline. It’s possible that your specific issue hasn’t been addressed, even though this page lists several causes for battery loss, including the fact that the battery is prone to contact problems that might destroy it. Thus, taking it to your nearest Apple Care Center can be wise.


Next, check out the best battery saving apps for iPhone to learn more.

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