crave power bank
Crave

Ultra-high-capacity power banks are a must-have if you’re planning to spend extended time on the go. These 25000mAh to 50000mAh beasts can power larger devices like digital cameras and laptops or give your phone a boost more than a few times. If you’re planning to use a power bank to keep all of your fancy devices powered up, these are your best ultra-high capacity portable charger options.

Also: The best portable chargers and power banks: A buyer’s guide

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 for portable battery chargers, and this particular option offers it all. First, you get a massive capacity of 26800mAh, which is more than enough to recharge your smartphone multiple times fully.

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 surges. The portable charger also comes with a 60W USB-C wall charger.

More: The best charging stations you can get

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

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 and 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: Our guide to all the phone accessories you’ll ever need

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. Tecknet Portable Laptop Charger

Tecknet Portable Laptop Charger

Tecknet makes one of the best high-capacity power banks if you don’t mind carrying a larger unit. It’s also beautiful, but aesthetics aren’t all it packs. It also comes with a handsome 42000mAh battery. Three ports will help you keep all your mobile devices powered, while a PD 45W USB-C port will also juice up a laptop. If that’s not enough, you also get an AC outlet and an integrated lamp.

Key details:

  • Capacity: 42000mAh
  • Output: 3 x USB port 5-12V/2.4A, 1 x USB-C port 5-20V/3A with 45W PD, 1 x AC outlet (up to 150W)
  • Dimensions: 233.68 x 81.28 x 81.28mm, 1.7kg

4. FlashFish 40800mAh Solar Generator

FlashFish 40800mAh Solar Generator

Some may believe a battery this big and complex is overkill for 40800mAh. This one has a nice trick up its sleeve, though. It’s technically a solar generator, and panels can keep it charged and ready for your electronics. It comes with a couple of AC outlets and three USB ports too.

Related: The best car chargers: A buyer’s guide

Key details:

  • Capacity: 40800mAh
  • Output: 2 x USB QC 3.0, 1 x 5V/2.4A, AC outlet with 9-12.6V/10A
  • Dimensions: 357.89 x 259.08 x 171.96mm, 2.44kg

5. Romoss 30000mAh Sense 8+ Power Bank

This portable battery from Romoss packs plenty of ports and offers more than enough juice. It has a large 30000mAh battery and options for any cable on the market. It features USB-A, USB-C, MicroUSB, and even Lightning options, but you won’t find an AC port on this high-capacity power bank. You can even check the status of your power bank at a glance. Romoss included multiple inputs as well, so you could buy a small solar panel to recharge your battery if you wanted to.

Key details:

  • Capacity: 30000mAh
  • Output: USB-A, USB-C, Lightning, MicroUSB
  • Dimensions: 6.57 x 3.15 x 1.26 in. 23.66 oz.

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. A 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 Power Bank

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?: The best 10000mAh power banks you can buy

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 50000mAh laptop power bank

Krisdonia 50000mah power bank

As the name implies, the Krisdonia 50000mAh Laptop Power Bank is perfect for charging your laptops (as well as smartphones, tablets, and other devices) while away from a plug. It sports DC input and output options, as well as two USB-A ports and a USB-C option. If you don’t have your trusty laptop charger around, the Krisdonia comes with a set of 28 unique adapters to fit just about any model on the market.

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 DC output, 1 x DC input, 2 x USB-A output, 1 x USB-C output
  • Dimensions: 19.5 x 15 x 2.8cm, 1.2kg