How to charge a laptop without a charger?

Agree, it is very unpleasant when the battery is ends on a laptop, a of the charger is not at hand. However, it is possible to solve this problem: today we will tell about four ways to recharge the laptop without an adapter.

There are cases when you forget to take with you Charger for a laptop, going to the trip (especially if it happens in a hurry). But do not get upset prematurely, since below we will tell you how to charge the laptop even in the absence of a native adapter!

Many will surely become a question, is it safe to charge a laptop without a native charger? We will tell about it, but for the beginning, let's find out exactly how you can charge your laptop.

External battery

Depending on the laptop model, you can use one of the ports USB Type-C for charging, even if you do not have a native charger with you.

Many charge their smartphones with the help of of the external battery (in the commoner - panibank), but few people know that it can be used for a laptop.

But there is a small problem: most laptops require meals from 8 to 12 V, and plibs are usually able to produce only to 5 volts. Thus, you need to purchase a model that supports 12 V or higher.

Here we will recommend the Anker PowerCore + 26800mAh PD battery, which is perfect for recharging the laptop, since it is able to give up to 9 volt voltage.

Note: Some older laptops with USB Type-C do not support charging through this port.

car battery

If you do not have worry, You can try to charge the laptop from the car battery. Yes, it sounds pretty insane, but sometimes you have to go to extreme measures!

With the help of an inverter, you can power all that requires voltage up to 300 W, which will be more than enough to charge a laptop!

This method has a disadvantage, since the inverter is pretty the overall device.

USB Type-C adapter

If you do not have an external battery or you can't charge your laptop from your car, another way is to use a USB Type-C adapter.

Unlike USB-A, USB-C uses a smaller oval connector designed for higher power. It can conduct more energy and do it much faster.

The USB Type-C adapter will charge your laptop in the same way as a power bank, but you will have to plug it into a power source (i.e. an outlet).

Given that this type of adapter has protection that stops charging when it detects high temperatures or other problems, this is one of the safest ways to charge a laptop.

Universal power adapter

There is another way to charge the laptop battery without the original charger – Use a universal power adapter. It is worth noting here that when using it, the battery may fail or not charge if you set the voltage too high.

It usually comes with interchangeable tips, and is compatible with many different brands.

Many battery packs can even be plugged into a car's 12-volt cigarette lighter, making them truly portable and versatile.

Is it safe to charge a laptop without the original adapter?

If you do not know enough, using other methods to charge your laptop may harm the device. First of all, you need to make sure that the voltage and power correspond to the characteristics of the computer charger.

In any case, the original charger or other reliable option in the form of a USB-C adapter is the best way to charge a laptop.


Some of the methods above can negatively affect your laptop battery, so don't use them regularly unless absolutely necessary.

Try to always use the original charger that came with your laptop, and only resort to using these methods when you really need it.


  • Charge your laptop using an external battery (power bank).
  • Charge your laptop with a car battery or cigarette lighter.
  • Use a USB Type-C adapter.
  • Charge your laptop with the universal power adapter.

Go somewhere without a charge device for a laptop - not the best experience! Therefore, the next time, collecting suitcases, first of all pack charges, and then think about everything else!

But you know what is even worse? When the charger is, but you still can not charge your laptop (due to the lack of power supply, i.e. sockets)!