Is there a power bank for laptops?

Power Bank

Power Bank is a portable battery that can charge your laptop, mobile phone or other devices. The main task of a power bank is to provide an additional power source for your devices in case they run out of power. It does this by storing electricity and then releasing it when you need it.

There are many different types of batteries, so before choosing a laptop power bank, check its price because Power Bank Price in Pakistan is very friendly now a days, it is important to know what features you need before paying for them.

Notebook charger specifications

First of all, we need to know the specifications of the laptop charger in order to find a power bank that meets the same requirements.

The following example shows the characteristics of a laptop charger.

We have to check the output parameters:

  • Voltage: 20 V.
  • Current: 5 A.

This means that this charger operates at 20V and provides a maximum current of 5A.

This charger does not specify the maximum power it can provide, but we can easily get it by multiplying the voltage by the current: 20*5 = 100W.

A power bank for charging a laptop is necessary for anyone who regularly travels with their laptop. This allows you to use your laptop without a network connection. The best power banks are lightweight, durable, and have long battery life. They should also be easy to carry around and charge quickly.

Charge your laptop wherever you are with the best portable chargers and power banks for laptops

A portable power bank for a laptop is an indispensable purchase for working on the go. Here are the best portable chargers that are worth your hard-earned money.

We know this all too well: your portable power supply dies during CPU intensive times and you’re left with wasted hours of work. I have no one to blame but the laptop’s internal battery and myself for not pressing CTRL+S (save).

Luckily, there is a solution for those dreaded cases when your laptop shuts down. The world of portable laptop chargers has exploded over the past two years as the need to work on the go has increased. Now, instead of praying for an outlet in the nearest cafe, you can work completely without a leash, without fear.

We’ve rounded up the best options in terms of cost and reliability, and provided a little guide on what to look out for so you can make the best choice for yourself and your gadgets. And if you need advice on other matters, check out our laptop buying guide and iPad buying guide so you can make the right buying decisions.

How to choose an appropriate power bank?

Are you looking for a laptop power bank but don’t know which one you need? Let’s try to figure out which power bank is best for the device you want to charge. For a laptop, we recommend a powerful power bank with a large supply of energy. And, for example, for a smartphone, a compact model will be enough.

In order for a power bank to really replace a charger, it must meet a number of requirements:

  • Connector: Includes cable with connector compatible with laptop charging port.
  • Voltage (V): same operating voltage.
  • Power (W): the same or more power.

What qualities should a portable laptop charger have?


First of all, a large number of milliamp-hours (mAh) is needed to fully charge a laptop. If the battery capacity is more than 20,000 mAh, then for a typical 13-inch laptop, it will provide up to 25 hours of battery life.

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Of course, you can get more than 20,000 mAh in a power bank. We’ve seen 50,000mAh batteries, but that comes at the cost of one big benefit of buying a laptop – being able to carry it around with you on the go. Size and weight are important here.


USB-C is the go-to option for reasonably fast laptop charging, as it can deliver enough voltage to do more than just power components (usually around the 20V mark). But that doesn’t mean it should *only* charge your laptop. Many options come with a variety of charging ports for phones, tablets, and other devices. The more versatile the better.

Read More: Wireless Charging power Bank Price in Pakistan

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