10 best portable laptop batteries [2021 Guide]

Radu Tyrsina
by Radu Tyrsina
CEO & Founder
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There’s nothing worse in the world than having your laptop run out of battery and being as far as possible from a power socket.

The entire point of having a laptop is to stay connected on-the-go, but sometimes, the laptop’s battery life may have some other plans, and they’re not going to make you happy at all.

Thankfully, there’s a new generation of portable laptop batteries, and this means that you won’t ever have to get stuck again without your trusty friend at your side up and running.

Some of these batteries can replace your original laptop charger altogether because they provide you an uninterrupted power supply wherever you are!

Choosing the right external laptop battery these days can be pretty tricky as the market is full of them.

The best chargers work with a variety of systems, and they are lightweight. They also feature proper power outputs that are necessary to juice up that device of yours.

Check out the list we have made for you and pick the external laptop battery of your dreams!

Which power bank is best for laptop?

HALO Bolt 58830 mWh Portable Phone Laptop Charger

  • Cross-platform compatibility (can charge a laptop, Mac, tablets, phones)
  • Lightweight and compact design for easy storage
  • Can charge multiple devices at once
  • All-in-one car kit (car jump starter function included with LED light, jumper cables, 2 USB phone chargers, and a carrying pouch)
  • LED light could be brighter

The HALO Bolt 58830 mWh is what we call a live saver! Packed with 2 2.4V USB charging outputs, this portable charger can juice up multiple devices simultaneously.

The charger is highly versatile and will work effectively on your Mac, tablet, PC or phone.

It even has a car jump starter function which is perfect for those who love the road and don’t have loads of time to wait for more conventional sources to power them up.

The design is also a great plus as the charger is sturdy and resistant but also sleek and even fashionable offering many patterns for you to choose from.

MAXOAK 50000mAh 6 Port(5/12/20v) Portable Charger External Battery

  • Can charge several devices simultaneously
  • Cross-platform and cross-device compatibility
  • Especially recommended for camping sites
  • 12 months replacement warranty
  • Power management has room for improvement

This is the ideal portable charger for your laptop which will help you stay connected anytime.

You never have to live the desperation of ending up without your laptop, cell phone or tablet due to the lack of battery life.

The 50,000 mAh long-lasting battery pack will become your devices and your gadgets’ best friend.

The charger features six outputs for different digital devices: one 20V/3A, one 12V/2.5A, two 5V/2.1A, and two 5V/1A output.


Krisdonia 50000mAh Laptop Power Bank 5/8.4/9/12/16/20V Portable Laptop Battery Charger

  • Pass-Through function that allows powering other devices while the power bank itself is recharging
  • Li-Polymer battery cells
  • Supports laptops, smartphones, tablets, Macs, and even gaming consoles
  • High power capacity (50000mAh 3.7V/185Wh)
  • Adapters/cables not included in the package

This is one power back that you can rely on at all times. Thanks to the Pass-Through function, you will be able to use the product to power up your devices even while it is recharging.

The lightweight and compact design allows you to easily store it and take it with you on the road.

What’s more, you have 4 built-in output ports to match your phone, tablet, PC, or Mac – yes, this gadget is highly versatile!

The manufacturer even provides a generous 12-month replacement warranty.


AC Outlet Portable Laptop Charger (TSA-Approved)

  • Emergency LED with SOS Function (different modes available)
  • Portable and compact design for easy packing and travel
  • Recharge and Discharge ports (with simultaneous activation)
  • Built-in Battery Management System
  • Power Inverter for car recharge not included in the package

The TSA-approved Power Bank is as powerful (140W) as it is lightweight. Designed to act as power backup support, you can easily fit this portable charger in your bag and take it with you on your travels.

The charger is well-adapted and highly versatile, meaning you can use it on pretty much any device from MacBook and other USB-C devices, laptops, and even Ipad, cameras, and so on.

The ports are designed to allow you to charge and discharge simultaneously which is a rather unique feature.

What’s more, you won’t have to worry and storage or usage conditions since this gadget has an aluminum shell and Overcharge, overvoltage, overheat and even shortcircuit protection.


AC Outlet Power Bank 85W NOVOO 81Wh/22500mAh Laptop Portable Charger

  • 12-month warranty and professional customer support
  • Convenient size for traveling with a portable and compact design
  • Safety and Quality guarantee (surge and shortcircuit protection)
  • Can charge up to 3 devices simultaneously
  • No case included in the package

This power is designed for speed. With native support for both USB-A and USB-C devices, the NOVOO AC Portable Charger is based on fast charging technology.

Its design, both lightweight and compact making it easy to store and perfect for travels.

Besides its convenient size, there is also short circuit protection which means one less thing for you to worry about.


Editor’s Note: This article continues on the next page. If you want to read more about the best tech deals, check out our wide collection of guides.

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Frequently Asked Questions

  • Yes, they are, especially if you’re on the road for a long time and you need to work on your laptop without an available power outlet. Here are some of our top picks with regards to external laptop batteries.

  • Yes, they are, especially if your original touchpad is broken or just uncomfortable to use. Here are some of the best external laptop touchpads on Amazon.

  • One great way of expanding your laptop’s storage space si either changing the internal HDD or adding an external HDD.

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