10 best portable laptop batteries [2021 Guide]

Radu Tyrsina
by Radu Tyrsina
CEO & Founder
Radu Tyrsina has been a Windows fan ever since he got his first PC, a Pentium III (a monster at that time). For most of the kids of his age, the Internet was an... Read more
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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.

Omni 20+ 20000mah AC/DC/USB-C/Wireless Power Bank

  • Pass-through function, wireless, and solar charging
  • Portable design for easy storage
  • Cross-platform and cross-device compatibility (it even supports drones)
  • Fast charge technology
  • Fast charger and DC cables for DJI Drones not included in the package

This is the ultimate power hub for all your smart devices including laptops, phones, tablets, cameras, and even drones.

With this amount of versatility, it’s easy to see why it’s called the Omnicharge.

Thanks to the Pass-Through function you can even use it to power up your devices while the power bank itself it’s recharging.

There is support for USB-C connectors, wireless, AC and as if it weren’t enough solar charging is also available.

The battery capacity is high powered (20000mah) and fully compatible with the fast charging technology.

88.8Wh|65Watts Portable Laptop Charger with AC Outlet

  • Certified safe product with an 18-month free warranty
  • Professional customer service support
  • OLED display to monitor battery level at all times
  • 2 USB outputs, 1 AC outlet to power multiple devices at once
  • Can only power devices less than 65W

This Portable Laptop Charger with AC Outlet is actually a universal charger that can power up multiple devices at once.

This AC power supply is perfect for a wide range of devices including your smartphone, laptop, or Macbook, and even your car.

It’s portable, compact, and certified safe for your convenience and you can use it on the go easily.

The pack includes 2 USB outputs, the AC portable charger, a car charger, a cigarette lighter, and an input charger.

Anker PowerCore+ 26800mAh PD 45W with 60W PD Charger

  • 2 15W USB ports plus USB-C Power Delivery port
  • Fast charging technology supported
  • Cross-platform compatibility
  • 18-moth warranty and professional customer support included
  • Does not support solar chargers

Developed by Anker, a leading USB charging brand, this portable charger is more than effective.

With a whopping charging power delivered by a 45W USB-C port and a massive 26800mAh capacity, there is virtually nothing you cannot charge.

From smartphones to laptops and tablets, you can rely on the fast charging technology incorporated by this power bank to power up your devices quicker than ever before.

Portable Charger RAVPower 80W AC Outlet Power Bank

  • Fully charge compatible devices including notebooks, laptops, smartphones, cameras, and more
  • Fast recharging technology supported
  • Storage box and carrying pouch included
  • Massive internal battery capacity
  • USB-C charger not included in the package

This power back redefines fast charging through its Quick Charge 3.0 port. The AC output goes up to 80w and its internal capacity is simply beyond expectations (up to 20000mAh).

All these features will guarantee you can fully charge compatible devices faster than ever before.

Speaking about compatibility, you will be pleased to know that the RAVPower charger works well on anything from smartphones and tablets to notebooks, laptops, GoPro, and other cameras.

It’s portable and lightweight and you can easily fit it just about anywhere to make sure you never run out of power during your travels.

AC Power Bank RAVPower 30000mAh 100W(150W max) AC Outlet USB C Portable Charger

  • Massive 30000mAh internal battery capacity
  • Fast recharging technology supported
  • AC output with power supply switch
  • Cross-platform and cross-device compatibility
  • USB C adapter not included in the package

This powerful AC Output portable charger makes the perfect match for all your devices from smartphones and laptops to home appliances, cameras, gaming consoles, and more.

It supports fast charging technology, thus reducing the charging time by half. Pretty impressive, right?

Its internal battery capacity reaches a whopping 30000mAh and the newest version even includes a 3-prong AC output with a power supply on/ off switch.

This is where the list of the best external batteries for charging your devices ends.

We hope that after browsing through all these chargers, you will find the ideal one for your device.

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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