How To Charge Laptop Battery Manually (9 Easy Ways)

What will you do if your laptop’s battery malfunctions and refuses to be charged while you’re working on something important?

If you don’t know how to repair it, you might consider a replacement as the quickest solution. Even if money isn’t an issue and you can replace the whole laptop entirely, it will take some time.

Why wait around when there are so many options? Perhaps it’s time to take care of the problem and get out of trouble quickly. We’ll go over some of the tried-and-true methods to charge laptop battery manually, so you don’t have to worry about data or laptop life in any way.

Reasons for a Battery’s Failure in Laptop

After a certain number of cycles, the chemicals in a battery begin to break down. A faulty battery cannot keep a charge; as a result, it is rendered useless.

Aside from the natural conclusion of its existence, your battery’s longevity can decline if you aren’t careful with how you charge and maintain it.

  • Operate your laptop at a high temperature
  • While using the laptop and keep charging the battery.
  • Use the laptop for an extended period of time

If your laptop is still having battery charging problems after you take great care of it, there might be various reasons.

9 Ways To Charge Laptop Battery Manually

Before you start learning how to charge a laptop battery manually, make sure you have the proper equipment. Most laptops only function with their manufacturer’s original chargers.

Read Also: How to Know the Pin Size of Laptop Charger

As a result, some information may not be applicable to you in certain situations. Similarly, charging it manually is not possible if your laptop has a built-in battery.

1. Using a Universal Power Adaptor

Universal Power Adaptor

A universal power adaptor is the most excellent approach to charge your laptop’s battery. This adaptor works well when traveling in a country with a different voltage system from your own. Universal adapters are less expensive and can be found both online and offline.

Remember that a universal adapter isn’t a long-term option since using them might be hazardous. Because most adapters don’t work with all models, invest in one fully compatible with your laptop model.

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2. Using an External Battery Charger

External Battery Charger

If you’re looking for a simple way to charge a laptop battery manually, an external battery charger is a way to go. The best part is that you won’t need a laptop or an AC adapter to charge your battery. Connect the battery to the charger, and you’re ready to go.

Check the battery information carefully on the protective plate. It will provide you with an idea of how to change the voltage and current levels of the charger.

Go for a charger with LED indicators and auto protection against short circuits, current outage, overcharge, and overheating. It’s perfect for charging many batteries at once while traveling.

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3. Use USB-C Cable

USB-C Cable for manual charging of laptop

If you don’t have an AC/DC adaptor, you may always use a USB-C cable instead. Connect one end of the USB-C cord to an outlet and the other to your laptop while charging your laptop.

On the other hand, this USB-C cable is only compatible with laptops equipped with USB-C ports. Many older versions do not have a USB-C connection.

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4. Charging Laptop Battery Using a Power Bank

Charging Laptop Battery Using a Power Bank

When it comes to purchasing a laptop power bank, many variables to consider. Most laptop power banks work with specific output ports, making selection complicated. Choose power banks that can provide the most power possible.

A portable power bank must have a capacity of at least 100Wh, as established by the TSA. Although this is the case, sometimes you will need more energy than what is available in the battery. Also, make sure to verify whether or not it works with your DC adaptor. Most power banks include multiple DC adaptor connections

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5. Travelling Adaptor

Portable Laptop Chargers

Travel adapters let you connect a device from your home country to an outlet in another nation. On the other hand, the adapter does not transform the electricity or voltage.

This means that if your device isn’t compatible with the country’s voltage system, the travel adaptor will be useless. If it says “Input- 100-240V,” it implies that your gadget can handle voltages up to 240 volts. Fortunately, most gadgets these days can operate on a variety of voltage settings.

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6. An AC Adaptor is Worth a Try

AC Adaptor for manual charging of laptop

If you connect an incompatible adapter, the flow of electricity to your laptop battery will be restricted.

When the LED light on the AC adapter is off, it indicates that you need to replace it. If your system fails to determine the AC adaptor, it will alert you on screen in certain situations.

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7. Using Solar Charger to Charge a Laptop Battery

solar kit for laptop battery

A solar charging kit eliminates the trouble of locating the proper outlet to connect your laptop. It also prevents your device from being damaged by high voltage.

A solar kit comprises a foldable solar panel and a set of batteries. The solar charger is not generally compatible with laptops. As a result, you must first charge the battery pack to its total capacity before connecting your laptop to it.

A competent solar charger may charge a laptop twice or three times in one recharge cycle.

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8. Choose super laptop batteries

super laptop batteries

Although most laptop batteries come with factory-prepared chargers, you do not necessarily need an AC/DC charger to charge them.

Also, be sure not to charge the super batteries with your laptop’s charger, as they may not work. Replace the existing battery in your laptop with a super battery.

Then, connect your laptop to the dedicated super laptop battery charger. One recharge can provide you with a backup duration of up to 7 hours.

9. Buy a New Battery

If your battery does not charge even after attempting everything else, it has reached the end of its lifecycle.

Check the charging condition of your laptop and compare it with a similar make. If it does not charge, you will need to replace it.

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Charge Laptop Battery Manually

How to Charge a Laptop Battery the Right Way

To get the most out of your laptop, you should always run it on battery with a 40% to 80% charge. The majority of people’s biggest error is that they drain their battery entirely before charging it.

Avoid overcharging your battery to keep it working as long as possible. The further you charge a lithium battery, the more damage it incurs. Maintaining a full charge cycle is not required for most new-age lithium batteries, causing many people to believe that reducing its lifespan and raises the risk of damage.

1. Never Heat Your Battery

Extreme high temperatures can cause your battery to lose its capacity and become a fire risk (in rare cases). Never try to charge your laptop battery past the maximum recommended voltage.

Once a battery reaches 100 percent charge, most new-age models automatically switch off the power supply. As a result, there’s no advantage in leaving the charger on while the battery is completely charged. If your laptop becomes hot very quickly, make sure to follow these steps:

  • Clean the internal fan
  • Paste a layer of thermal paste on the processor and copper heat sink.
  • Don’t put your laptop on a flat surface; allow some air to flow underneath it.

Read Also: How To Check Laptop Fan Is Working Or Not?

2. Never Mix Up Wires

Always utilize the manufacturer’s supplied ac/dc adaptor or cable. It would help if you never swapped an adapter unless you are sure it will work. Many individuals believe adapters with similar end structures perform similar jobs. That belief, though, might be deadly to your motherboard.

3. Prevent Sunlight Exposure

Laptops are not meant to endure the heat or UV rays. However, it is common for people to utilize their laptops on an open patio or in a park, despite this fact. Never open your laptop or use it in direct sunlight.

Even a few hours of sunshine might harm your laptop and its accessories, particularly the screen. Now that businesses are marketing glare-free screens, it’s still not a good idea to expose them to direct sunlight.

FAQ(How To Charge Laptop Battery Manually)

How can I charge my laptop battery without an adapter?

A power bank is one of the most convenient ways to charge your laptop. A power bank, often called a portable battery for your laptop, is simply an external battery. Simply connect the power bank to your laptop and you’re good to go.

Can we charge the laptop after shutdown?

Yes, you can charge your laptop after it has been turned off. On the charging indicator that comes with your laptop, you may observe the charging condition.

Can you charge a laptop with a car cigarette lighter?

You won’t be able to charge your laptop straight from the car’s lighter socket. You’ll need an inverter to convert the 12V present in your battery into the higher voltages required by a laptop, which are around 20V.


We’ve seen a significant transformation in the working methods of many businesses during this period of technological advancement. For example, people generally use their own portable devices for work: laptops.

The issue of a laptop battery’s charging, on the other hand, is to increase its productivity. Some people use external chargers, super batteries, AC power sources, and so forth to charge their laptops manually. Furthermore, one should be careful about the maintenance of his laptop and its battery.

Each type of device has a limited amount of life before being replaced. As a result, you may extend the life of your laptop battery by taking good care of it.

After reading our guide on how to charge a laptop manually, we hope that you will be able to charge your laptop in the most unfavorable of circumstances.