MacBook Running Slow on Battery? Here Are 3 Ways to Fix It
- Computer ElectronicProductivity
- August 22, 2023
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- 24
MacBook users experiencing slow performance while using their laptops on battery power. This article is designed for users of varying technical expertise who want to understand the reasons behind sluggish performance and learn effective fixes to improve their MacBook’s speed and responsiveness in battery mode.
Introduction: MacBook Running Slow on Battery
Your MacBook is your trusty companion, enabling productivity and entertainment on the go. However, have you noticed that its speed dwindles when you’re running on battery power? A slow MacBook on battery can be frustrating, impacting your efficiency and experience. In this article, we unravel the reasons behind this sluggishness and present three effective solutions to restore your MacBook’s performance. Whether you’re a tech-savvy user or just starting your MacBook journey, these fixes will empower you to reclaim a swift and seamless computing experience, even when disconnected from power sources.
Fix 1: Remove a PLIST File
Deep within your MacBook’s system lies a PLIST file that wields a significant impact on your device’s performance. This file discreetly directs your MacBook’s processor to throttle its performance when operating on battery power. The intention behind this tactic is to conserve energy and extend battery life. However, the unintended consequence can be a noticeable decrease in processing speed, leaving your MacBook feeling sluggish.
The solution is to liberate your MacBook from these unnecessary constraints by deleting the troublesome PLIST file. This simple action can restore your device’s optimal speed and responsiveness, allowing you to enjoy a seamless computing experience even in battery mode.
To assist users of all levels, we’ve crafted a step-by-step guide that walks you through the process. Regardless of your technical expertise, you’ll be able to follow along and execute this solution effectively, unlocking your MacBook’s true potential.

Fix 2: Reset Your Mac’s SMC and PRAM
The intricate architecture of your MacBook includes two critical components that play a pivotal role in its performance: the System Management Controller (SMC) and the Parameter Random Access Memory (PRAM). These elements manage various aspects of your device’s behavior, from power management to system settings.
Resetting your SMC and PRAM can be a potent solution to alleviate performance issues, especially when your MacBook is running slowly on battery power. The process involves a combination of button presses while restarting your device. Tailored instructions are provided for different MacBook models, ensuring that users of varying backgrounds can embark on this effective solution.
Even if you’re a novice user, don’t be deterred—our clear and concise steps make it easy to initiate this reset. By harnessing the power of the SMC and PRAM reset, you can potentially bid farewell to the frustration of sluggish performance.

Fix 3: Repair Disk Permissions
For those who are still seeking relief from slow performance on battery, repairing disk permissions offers a valuable avenue to explore. Disk permissions dictate how your MacBook interacts with files and applications, impacting overall system performance. Over time, inconsistencies can develop within these permissions, leading to suboptimal speed and responsiveness.
Navigating the path to repairing disk permissions involves utilizing Disk Utility, a built-in macOS tool. Within Disk Utility, you can identify your primary hard drive and initiate the repair process. This endeavor aims to restore harmony within your MacBook’s file system, potentially enhancing its speed.
What’s notable about this fix is its user-friendly nature. Regardless of your technical prowess, you can navigate Disk Utility and engage in repairing disk permissions without intimidation. This solution adds another layer of assistance for users seeking to reclaim their MacBook’s speed and performance.

Conclusion:
Navigating a slow MacBook on battery power need not be a source of frustration. Armed with an understanding of battery-related challenges, the diagnostic know-how, and three proven fixes, you’re equipped to transform your MacBook’s performance. Whether you choose to delete a PLIST file, reset your Mac’s SMC and PRAM, or repair disk permissions, these solutions cater to users of all backgrounds. Embrace these fixes and relish a MacBook experience characterized by seamless speed and responsiveness, even as you venture beyond the confines of power outlets. Your MacBook’s true potential awaits, untethered by performance limitations.