Winter Sale | UP TO 40% OFF

top banner
Blog Center
Guide & Tips 101: How Long Does It Take to Charge a Laptop

Guide & Tips 101: How Long Does It Take to Charge a Laptop

Laptops are powerful tools that have become an indispensable part of our lives. However, the charging time of your laptop can greatly impact your productivity and convenience. Unsurprisingly, we often find ourselves wondering, "How long does it take to charge a laptop?" It's a seemingly simple question, but the answer varies widely. This article will tackle everything from understanding the major factors that influence the charging time, to exploring the average charging durations across different laptop brands, and uncovering helpful tips to optimize your laptop's charging time. So what are you waiting for? Let's plug in!

Factors That Affect Charging Time

When it comes to the time it takes to charge your laptop, several factors come into play, each exerting its influence on the overall charging duration. Understanding these variables can help demystify the charging process and enable you to make informed decisions about your laptop usage. Explore them below:

Battery Capacity

Battery capacity significantly influences the charging time for laptops. It is measured in watt-hours (Wh) or milliamp-hours (mAh) and is usually mentioned in the specifications of your laptop battery. The higher the capacity, the longer it will take to fill up, much like a larger tank takes longer to fill with water. However, higher capacity also means longer usage time once it's fully charged. It's essential to understand that every battery has an Energy-Consume ratio that designates how much power it can deliver and for how long.

Charger Wattage

The power of the charger, or its wattage, is another pivotal factor determining a laptop’s charging time. Laptop chargers vary widely, from 45 watts to 200 watts. The charger's wattage, in simple terms, signifies the maximum amount of electricity it can deliver per hour. Hence, a higher-watt charger can deliver more power in less time, reducing the overall charging time. However, it's critical to ensure the charger is compatible with your laptop since applying too much power can potentially damage the battery and other components.

Laptop Usage

Finally, the way you use your laptop while it’s charging also affects the charging time. Running heavy applications or multiple programs can use more power, which can slow down the charging process. For the fastest charge time, it's recommended to switch off the laptop or at least avoid using demanding programs. Moreover, power management settings also play a role. Power-saving settings can help to charge the laptop faster by reducing the system's power consumption while turbo or high-performance settings would slow it down by using more power.

Average Charging Time for Laptops of Different Brands

The average charging time for laptops can vary widely depending on the brand, model, battery capacity, and charging technology used. Here's a general overview of the charging times you might expect from laptops of different popular brands:

Apple MacBook

For recent Apple MacBook models, including the MacBook Air (2022 onward) and 14 or 16-inch MacBook Pro (2021 onward), you have the advantage of fast charging your device. When connected to a suitable power source with the right cable, users can attain up to a 50% battery charge within approximately 30 minutes. This feature helps users stay on the go while ensuring minimized downtime during charging.

Dell Laptops

The charging duration for Dell Laptops is quite variable, hinging heavily on the specific model in use. However, for laptops that are equipped with the ExpressCharge™ feature, you can typically expect the battery to charge beyond 80% in roughly one hour. If the laptop is powered off, a full charge can typically be achieved in about two hours.

HP Laptops

For HP laptops, a common standard for fast-charging systems is applied. This allows most HP laptops to achieve near full charge within approximately half an hour, offering users long battery life and convenience. Fast charging, in this case, implies a high-speed battery-charging system that enables 50% or more battery recharge in only around 30 minutes.

Lenovo Laptops

Charging your Lenovo Laptop when the battery is low typically takes between 4 to 8 hours. If your laptop comes with a power adapter that supports rapid charge, your battery can reach 80% charge in about an hour when the laptop is turned off. The actual charging time may change based on factors like the battery size, environment, utility of the computer, and battery temperature, with the most effective range being between 10°C (50°F) and 35°C (95°F).

Tips to Improve the Charging Time of Your Laptop

In this section, we'll reveal actionable strategies to supercharge your laptop's battery replenishment. From simple tweaks to smart habits, you'll soon be on your way to reducing charging times and maximizing productivity.

Use Original or Reliable Third-Party Chargers

When it comes to charging your laptop, it's essential to use the original charger that came with your device or reliable third-party chargers for laptops. The charger provided by the manufacturer is designed to deliver the right amount of current required by the laptop to charge efficiently. Each laptop has a specific power requirement, and using random chargers might not meet these specifications. This could lead to slower charging times or even possible damage. If you lose the original charger, ensure that your replacement is from a reputable brand, compatible, and has proper safety certifications.

Speaking of reliable brands, Anker is a good choice. Here are two recommendations for chargers for laptops from Anker:

  1. Anker 735 Charger (GaNPrime 65W)

The Anker 735 Charger (GaNPrime 65W) can charge three devices concurrently using two USB-C and USB-A ports. Incorporating PowerIQ 4.0 for optimized dynamic power distribution, this charger is up to 30 minutes faster. It's more ecological through GaNPrime technology and equips ActiveShield 2.0 for fuss-free safety monitoring.

  1. Anker 737 Charger (GaNPrime 120W)

The Anker 737 Charger (GaNPrime 120W) is another option for effortlessly powering 3 devices simultaneously with 2 USB-C and 1 USB-A ports, enabling swift charging at up to 100W. With it, you can enjoy quicker charging time, potentially shaving off up to 26 minutes, all thanks to PowerIQ 4.0's Dynamic Power Distribution. And it relishes advanced protective measures to adapt output according to real-time temperature supervision, ensuring both efficiency and safety.

Close Resource-Intensive Apps

Running resource-intensive applications when you're trying to charge your laptop could significantly slow down the charging process. Applications that require a hefty amount of processing power, like video editing software, gaming, or streaming services, can use a lot of battery as you charge. Closing these applications will reduce power consumption and allow your laptop to charge faster. It's also advisable to stop all background activities and unnecessary apps for the duration of the charge.

Put Your Laptop in Sleep Mode

Another useful trick for reducing charging time is to put your laptop in sleep mode while it is charging. Sleep mode reduces power usage by putting your laptop into a state of low activity, allowing more of the incoming charge to be directed towards charging the battery rather than running the system. This not only can speed up charging time, but also extend the longevity of your battery.

Adjust Power Settings

Your laptop's power settings can have a significant impact on charging speed. Many computers come with power-saving modes that adjust system performance and screen brightness to conserve power. When your laptop is plugged in and charging, adjusting these settings can speed up the charging process.


In summary, the charging time of laptops is shaped by a range of factors, including battery capacity, charger wattage, laptop usage habits, and brand or model. Adopting savvy practices can notably improve charging speed. Opting for reputable chargers, closing resource-heavy applications, utilizing sleep mode, and adjusting power settings all contribute to a more efficient charging experience, ensuring that your laptop is ready to power up swiftly and support your endeavors effectively!


Here are some commonly asked queries on how long does it take to charge a laptop.

Is It OK to Charge Laptop 24 Hours?

No. It's not ideal to keep your laptop plugged in and charging for 24 hours. Most modern laptops are designed to handle being plugged in for extended periods but leaving them connected continuously can lead to overcharging and possible reduction in battery lifespan over time. It's generally recommended to disconnect the charger once the battery is fully charged.

How Much Does a Laptop Charge in 30 Minutes?

The amount a laptop charges in 30 minutes can vary based on the laptop model and charger specifications. Generally, if the laptop is off and uses a modern fast charger, it may reach from 30% to 60% charge within 30 minutes. It's important to note the rate of charging usually slows down after reaching 80% to prevent battery damage.

How Do I Know if My Dead Laptop Is Charging?

If your laptop is completely dead, you can check if it's charging by looking for a charging indicator light which is often present on the laptop body. This light usually changes in color or blinks to indicate different stages of charging. If there's no light or it becomes difficult to tell, leaving the laptop plugged in for about 15-20 minutes and then trying to turn it on can also be an option.

Be the First to Know

We use cookies to ensure you get the best experience on our website and to assist with our marketing efforts. By continuing to browse, you agree to our use of cookies and our sharing of information about your interactions on our site with our social media, advertising, and analytics partners.