Laptop Charging Hacks You Should Know

Several users treat laptop charging as a simple plug-and-forget task. But the way you charge your laptop can affect its battery health and how long it lasts over time.

Small habits like charging your laptop to 100 percent every time, using the wrong charger, or leaving it plugged in while it gets hot can affect battery health. The good news is that a few simple charging habits can help you avoid unnecessary battery wear.

Take a look at these laptop charging hacks you should follow to keep your battery healthy and get more out of your laptop over the long run.

Why It Matters

The way a user charges a laptop can affect its battery health and overall lifespan. Following the right charging habits can help reduce battery wear, maintain battery capacity, and keep the laptop running reliably for longer.

How to Charge a Laptop Properly for Better Battery Health

1. Set a charge limit to 80% or lower

If a user keeps a laptop battery at 100 percent for longer hours, it can put extra stress on the battery cells and speed up capacity loss. It is advised to set a lower maximum charge level in order to reduce capacity loss.

Several laptop brands offer an inbuilt option for this:

• Lenovo: Conservation Mode in Lenovo Vantage, which typically limits charging to around 80 percent.

• ASUS: Battery Health Charging in MyASUS.

• Dell: Primarily AC Use or a Custom charge threshold in Dell Power Manager.

• HP: Battery Health Manager in BIOS or HP software.

How to use it:

• Open the laptop's official utility app or enter the BIOS if required.

• Look for Battery, Power, or Health settings.

• Enable the charge limit and set it to 80 percent, or 60 percent if the laptop stays plugged in most of the time.

It is worth noting that the laptop will stop charging at the selected level and continue running on AC power once it is enabled. Notably, this can help reduce battery wear and extend its usable lifespan.

2. Follow the 20-80% rule

It is said that fully draining the battery or keeping it at 100 percent for long periods can accelerate battery wear. Therefore, users must keep the charge between 20 percent and 80 percent whenever possible.

Practical tips:

• Avoid letting the battery reach 0 percent on a regular basis.

• Do not leave the laptop at 100 percent for hours or overnight if it can be avoided.

• Short, partial charges are better for long-term battery health than deep full cycles.

This simple habit can reduce stress on the battery cells and help maintain battery capacity over years of use.

3. Use the original or correctly rated charger

Original chargers offer the exact voltage and wattage the laptop needs. Therefore, if a user uses a mismatched or fake charger, the laptop's battery and charging circuit might be damaged gradually.

What to do:

• Prefer the original charger that came with the laptop.

• If a replacement is needed, choose a certified one that matches the correct voltage and has equal or higher wattage.

• Avoid very cheap, unbranded chargers, especially for higher-power laptops.

Using the right charger ensures stable power delivery and helps protect both the battery and the laptop’s internal components.

4. Keep the laptop cool during charging

It is worth noting that the process of charging already generates some heat in the laptop, and if it is also running warm, there is a high chance that the combined temperature can accelerate battery wear.

Simple ways to keep temperatures down while charging:

• Place the laptop on a hard, flat surface such as a desk or table.

• Avoid soft surfaces like beds, sofas, or pillows that can block the vents.

• Make sure the air vents on the sides and bottom remain clear.

• Avoid running heavy tasks such as gaming, video editing, or large downloads while the battery is charging if the laptop feels hot.

Better airflow and lower temperatures during charging can help reduce long-term stress on the battery and other internal components.

5. Unplug devices and avoid heavy tasks during charging

Extra devices that are connected to a laptop during charging or heavy software might slow the process and generate more heat, and can ultimately put added stress on the battery and charging system.

Better practices while charging:

• Disconnect unnecessary USB devices, external hard drives, and other devices.

• Avoid running intensive programs if possible.

• If faster charging is needed, put the laptop to sleep or shut it down.

This can help the laptop charge more efficiently and keep temperatures lower, which is better for long-term battery health.

Frequently Asked Questions (FAQs)

Next Steps

It is highly recommended to follow these charging habits regularly to reduce unnecessary battery wear and maintain battery health. Also, keep the laptop cool and use the correct charger to support better long-term performance.

There are more Windows and laptop tips, such as 5 Windows Security Settings You Should Turn Off on Laptop, Best Free Antivirus & Security Settings for Laptop Users, Best Free Tools to Check Laptop Battery Health, How to Extend Laptop Lifespan by 2 to 3 Years, and more.

Additionally, you can also read our guides on choosing the right laptop bag and cleaning and maintaining your laptop bag. Along with that, there are easy to understand guides on when to repair or replace a laptop, how to extend your laptop's lifespan, set up a new laptop correctly, and improve your device's security with free antivirus tools and essential security tips.

And if you are thinking about replacing their current device, don't miss our picks for the ARM Copilot+ PC vs Ryzen AI PC, best convertible,  business, gaming, creator, and travel-friendly laptops, along with our MacBook Air vs Windows ultrabooks comparison.

Disclaimer: Battery health may vary depending on the laptop model, battery type, usage, and charging settings. Users should check the manufacturer's recommendations before changing charging settings.