Quick wins for a faster PC:
Clear out junk files and repair common Windows errorsFree Scan →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →You can make a laptop last longer between charges without turning on Battery Saver: lower screen brightness, reduce the time before the screen turns off or the laptop sleeps, and check which apps are using power in the background. On Windows 11, you can also choose Best Power Efficiency and disable radios you do not need. Mac laptops have separate battery controls, including an optional Low Power Mode.
Start with the changes that affect everyday use
Lower screen brightness
Reduce brightness to a comfortable level, particularly when working indoors. If you use an OLED display, dark mode may also reduce screen power use; the benefit should not be assumed for every screen type.
Shorten screen-off and sleep timers
Set the display to turn off sooner and the laptop to sleep sooner when idle. These settings help most when you regularly step away without closing the lid or putting the computer to sleep yourself.
Consider a lower refresh rate
A high refresh rate can make motion look smoother, but it uses more power. Microsoft notes that “A higher refresh rate will provide smoother motion on your display, but it also uses more power.” If your work does not need high-refresh motion, try a lower rate. In Windows, look under Settings > System > Display > Advanced display; available rates depend on the device and display.
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Windows 11: adjust power, apps, and wireless settings
Choose an efficient power mode and shorter timeouts
- Open Settings > System > Power & battery.
- If available, set Power Mode to Best Power Efficiency.
- Under the screen, sleep, and hibernate timeout controls, choose shorter intervals for battery use.
The exact controls and options depend on the PC. See Microsoft’s Windows 11 power settings guide.
Find apps using battery in the background
- Go to Settings > System > Power & battery > Battery usage.
- Review which apps use battery, including when you are not actively using them.
- For an app that offers background controls, choose a setting that fits how you use it.
Power optimized lets Windows manage background activity while preserving periodic updates and notifications. Never prevents that app from running in the background, which also stops its background notifications and updates. Use that stricter setting only when the trade-off is acceptable; not every app offers these controls. Microsoft explains the options in its background activity guide.
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Turn off wireless features you do not need
Switch off Wi-Fi or Bluetooth when you are not using them. Airplane mode is another option when you do not need wireless communications. These changes also affect connectivity, so they are not useful if you need an active network or a connected device.
Check graphics and video options for specific tasks
Windows includes app-specific power-saving graphics options and battery-optimized video playback settings. They may be worth reviewing if a particular app or video session uses a lot of power. Their availability and effect depend on the PC, app, and workload; Microsoft does not publish comparable savings figures for these individual changes. More Windows suggestions are in Microsoft’s battery-saving tips.
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Mac: use Battery settings and review energy history
On a Mac laptop, open Apple menu > System Settings > Battery. Apple’s controls include Low Power Mode, which reduces energy use, and Slightly dim the display on battery. Low Power Mode is optional; you can use the other adjustments without enabling it.
The Battery settings also let you inspect recent battery level and screen-on history, as well as energy usage over the last 10 days. Use that history to look for periods of heavier use and connect them with what you were doing.
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Review optional wake, graphics, and streaming features
- Check whether Power Nap or Wake for network access needs to be enabled while the Mac is on battery.
- Check whether Automatic graphics switching is enabled.
- For video, consider whether optimizing HDR streaming to standard dynamic range suits your viewing needs.
These options vary by Mac. Disabling network wake is relevant to waking for network access; it should not be expected to reduce power during active use. Apple documents the settings in its Mac laptop Battery settings guide.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.When settings do not explain short runtime
Fast drain can come from power use, but short runtime can also mean the battery holds less charge than it used to. On Windows 11, open an elevated Command Prompt and run:
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powercfg /batteryreport
Open the report and review Installed battery, Recent usage, and Battery usage, including the capacity estimates. A decline in battery capacity can reduce runtime even when your settings are reasonable. Microsoft explains the report and battery care in its battery care guidance.
Microsoft says lithium-ion capacity declines over charge and discharge cycles and advises avoiding frequent deep discharges to slow degradation. That is guidance for battery longevity, not a quick way to reduce a laptop’s current power draw. If a battery is visibly swollen, stop using the device and handle it cautiously.
Choose adjustments by what you are willing to trade
| Adjustment | Useful when | Trade-off or limitation |
|---|---|---|
| Lower brightness or dim the display on battery | The screen is brighter than your task requires. | A darker screen; the Mac control and OLED dark-mode benefit vary by device. |
| Shorter screen-off and sleep timers | The laptop is often left idle while running. | The screen turns off or the computer sleeps sooner. |
| Restrict background activity | A Windows app uses battery when you are not using it. | Choosing “Never” stops that app’s background notifications and updates; some apps lack the control. |
| Lower refresh rate | Your work does not need the smoothest motion. | Motion may look less smooth; available settings depend on the display. |
| Disable unneeded radios or wake features | You do not need wireless connectivity or network wake. | Connectivity or the relevant wake behavior is unavailable while disabled. |
| Review Mac graphics or HDR streaming options | You want to adjust a supported feature for your use. | Options vary by Mac; standard dynamic range may change the viewing experience. |
There is no reliable universal ranking of these changes by hours saved: Microsoft and Apple do not give comparable measurements for the individual adjustments. Start with brightness and idle timers, then investigate battery use and device-specific options that match your workload.
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