Powkey power bank

Credit: Powkey

Ultra-high-capacity power banks are good for more than just recharging your phone once or twice. These 25000mAh to 50000mAh beasts can power larger devices like digital cameras and laptops, provided their output is high enough. If you’re planning to use a power bank to keep all of your fancy technology charged, these are your best ultra-high capacity portable charger options.

Also: These are the best portable chargers

The best 25000mAh to 50000mAh power banks:

Note: When using power banks with USB-C ports, do check your device’s compatibility beforehand. Some power banks may require adaptors, and others may not work at all.

1. Anker PowerCore+ 26800mAh

anker powercore plus

Anker is a trusted name when it comes to portable battery chargers, and this particular option offers it all. To start with, you get the massive capacity of 26800mAh, which is more than enough to fully recharge your smartphone multiple times.

The newest version of the power bank comes with three USB ports, including a USB-C port with 30W output to let you charge a MacBook or the Nintendo Switch. Like every portable charger on this list, you get protection from short circuits, overcharging, and current and voltage surge. The portable charger also comes with a 60W USB-C wall charger.

Key details:

  • Capacity: 26800mAh
  • Output: 2 x USB ports 5V/3A max, 1 x USB-C port 5V/3A or 9V~15V/2A or 20V/1.5A (30W max)
  • Dimensions: 166 x 80 x 23mm, 725g

2. Crave PowerPack 50000mAh

power bank crave powerpack

This beefy Crave portable charger comes with a massive 50000mAh capacity, which should be more than enough to charge your smartphones and tablets multiple times. The device comes with two USB-A ports, both packed with AI Power charging, as well as two USB-C ports, one of which tops out at 60W. This power bank is also one of the more affordable ultra-high capacity charger options out there.

More: The best phone accessories you can buy

Key details:

  • Capacity: 50000mAh
  • Output: 2 x USB-A port 5V/2.4 A, 2 x USB-C port (1x 60W, 1x 18W)
  • Dimensions: 8.2 x 5.4 x 1.3-inches, 3lbs. 3oz.

3. RavPower AC outlet portable charger 30000mAh


This RAVPower portable charger comes with a huge capacity of 30000mAh that will allow you to charge your smartphone multiple times. It comes with two standard USB ports and a USB-C port to keep your mobile devices powered. However, the big selling point here is its 3-prong AC outlet that lets you charge or power any device with up to a 100W rating, which is more than enough to charge most laptops. Built-in air vents and a quiet cooling fan keep the device functioning well when at max capacity.

Key details:

  • Capacity: 30000mAh
  • Output: 1 x USB port 5V/3.0 A with Quick Charge, 1 x USB port 5V/2.4 A, 1 x USB-C port 5V/3A, 1 x AC outlet (up to 100W)
  • Dimensions: 178.05 x 137.92 x 44.96 mm, 997.9g

4. iMuto 30000mAh power bank

Imuto 30000mAh Power Bank

The iMuto 30000mAh Power Bank is not the most advanced, but it is among the cheapest in this list of the best high-capacity portable batteries. You’ll have to sacrifice some things for the lower price, though. This battery has no USB Type-C, as it uses a micro USB port to charge instead. It also means all output ports are USB Type-A, meaning some of you will need to get converters or new cables. If you can get past those downsides, it is definitely a great buy at its sub-$40 price tag.

Related: The best car chargers you can get your hands on

Key details:

  • Capacity: 30000mAh
  • Output: 3 x 3.4A (max) USB-A
  • Dimensions: 170 x 86 x 30mm, 617g

5. Panergy 40000mAh Laptop Power Bank

power bank panergy

This portable battery from Panergy looks great and works even better. It has a large 40000mAh battery and plenty of ports. It features multiple USB-A and USB-C options as well as an AC option to charge your larger devices. You can even check the status of your power bank at a glance. Panergy included multiple inputs as well, so you could buy a small solar panel to recharge your battery if you wanted to.

Key details:

  • Capacity: 40000mAh
  • Output: USB, USB Type-C, and AC
  • Dimensions: 7.5 x 4.9 x 1.8 in. 2.2 lbs.

6. Powkey 42000mAh Power Bank

Powkey 20000mAh Power Bank

There are less expensive power banks with more juice in this list, but the Powkey 42000mAh Power Bank has a great build quality and amazing versatility. The couple of AC outlets make it possible to plug in pretty much anything. Then there are four USB ports for charging smartphones, tablets, and other mobile products. It should be enough to keep your devices alive for long, considering it has a 42000mAh battery.

Key details:

  • Capacity: 42000mAh
  • Output: 2 x AC, 4 x USB (5V/3.1A), 2 x DC
  • Dimensions: 200 x 145 x 46mm, 1,497g

7. Maxoak laptop power bank

Maxoak Laptop battery

Now it’s time to get to the big boy power banks. The Maxoak Laptop Power Bank is meant exactly for what its name entails. The ample 50000mAh battery can charge computers and mobile devices alike. It features a traditional outlet for charging any device at 20V/5A speeds.

Need less?: These are the best 10000mAh battery packs

In addition, you can enjoy four USB ports. Two of these have 5V/2.1 A capabilities while the rest keep a more modest 5V/1 A. This is easily one of the best 50000mAh power bank options out there, but the price is starting to get higher.

Key details:

  • Capacity: 50000mAh
  • Output: 1 x DC 20V/5A, 1 X DC 12V/2.5A, 2 x USB 5V/2.1A, 2 x USB 5V/1A
  • Dimensions: 206 x 135 x 33 mm, 1,260g

8. Krisdonia 60000mAh laptop power bank

power bank krisdonia

As the name implies, the Krisdonia 60000mAh Laptop Power Bank is perfect for charging your laptops (as well as smartphones, tablets, and other devices) while away from a plug. It sports four separate output options: a 130W AC port, two quick-charge USB-A ports, and a coveted USB-C port.

Once again, this power bank is far too large to take on an airplane. It’s among the largest on our list though, so it should give you all of the power you could ask for.

Key details:

  • Capacity: 50000mAh
  • Output: 1 x 130W AC, 2 x QC 3.0 USB ports, 1 x 5V-12V USB-C port
  • Dimensions: 22 x 15 x 4cm, 1.8kg