United Kingdom
Catalog   /   Mobile Phones & Gadgets   /   Mobile Phones & Accessories   /   Power Banks

20000 mAh power banks

 prices on 149 models  
~ 20,000 mAh
clear
Save List
Show
The Juice ECO Max Power Bank with 20000mAh (7 Full Charges) battery capacity. The perfect accessory for a day or two off the grid if you know you'll be without mains power for your little staycat more→ion this year don't forget to pack the Juice Max Power Bank to make sure all your devices are powered up. You don't want to miss the perfect photo op!

Plus now being made from 100% recycled plastic means its kinder for the planet.

The Juice Max has been labelled the best power bank Which? have reviewed. With a whopping 20W output from its USB-C Port and a further 18W from its USB-A ports it charges an average smartphone from 0-50% battery in only 50 minutes and holds seven complete …
59.99Buy!
£
Currys.co.uk
Delivery: to United Kingdom
Report
Charge your devices on-the-go with the Belkin 20000 mAh Portable Power Bank with 30 W USB-C Fast Charge. It comes with an MFI license, so it's a great choice for Apple devices with a Lightning connec more→tor, including Mac. And with a whopping 20000 mAh capacity, you can get up to eight full charges for your smartphone or tablet. The power bank also features a rapid charging port, so you can get your powerbank or device recharged & ready to go in no time.
19.99Buy!
£
Idealo.co.uk
Delivery: in United Kingdom
Report
Dual USB Charger / 20,000 mAh / Power Output (Max) 3 / microUSB Interfaces / 520 g
Features:- Charging Technologies: Pd 3.0 (Powerdelivery), Qc 3.0 (Quickcharge), Pps, Fcp Fast Charge & Scp- Charging Of Two Devices At The Same Time- Led-Indicator- Optimised Low-Power Charging For Bl more→uetooth Headphones And Smartwatches- Lithium-Ion Polymer BatterySpecifications:- Max. Fast Charge Power: 22.5 Watt- Capacity: 20,000 Mah- Charging Times: 8 Hours (Pd Usb-C To Usb-C) / 13 Hours (Usb-A To Usb-C)- Input Power: Dc 5v/3a, 9v/2a, 12v/1.5a, 18w Max.Output Power:- Usb-A Dc 5v/4.5a, 9v/2a, 12v/1.5a. 22.5w Max.- Usb-C Dc 5v/3a, 9v/2.22a, 12v/1.67a, 20w Max.- Usb-C+Usb-A Dc 5.0v/3.0a, 15w Max.- The Safety Features Monitor: Short Circuit, Overvoltage, Temperature, Charging Current, Loop-Back,…
79.99Buy!
£
Idealo.co.uk
Delivery: in United Kingdom
Report
Dual USB Charger / 20,000 mAh / Quick Charging Technology Power Delivery 3.0
36.08Buy!
£
Amazon.co.uk
Delivery: to United Kingdom
Report
Easy to use Good product for use Good performance Good quality
71.45Buy!
£
Amazon.co.uk
Delivery: to United Kingdom
Report
High capacity: 20000 mAh provide your iPhone XS battery with over 4 charges, your Samsung Galaxy S22 with up to 4 full charges, your iPhone 13 with over 7 charges, and your iPad mini 6 with over 3 cha more→rges.
Everything you need: The best charging speeds for your smartphone and tablets. If your power bank needs an extra dose of power, simply recharge in less than 8 hours using the included charger.
Nano Charger: only 3 cm long and therefore ideal for travelling. More than 18W power in the format of a small 5W charger. Fantastic efficiency with less heat generation in a small, feather-light design.
Charging like a pro: The PD Power Delivery fast charging function delivers fastest charging times …
66.99Buy!
£
RobertDyas.co.uk
Delivery: in United Kingdom
Report
Charge full-steam at your next adventure with the Bear Grylls 20,000mAh Power Bank, a four-port beast with one of the smallest footprints of its type that can simultaneously charge up to five devices more→- on the move or back at camp - for long periods of time. Compact and multifunctional, the power bank has multiple ports to charge up to five devices at one time - 4 USB, 1 Micro USB and 1 USB Type-C. You can charge all your devices, even your laptop, using the USB Type-C USB with Power Delivery, which has up to 20V output. Bundled together inside the accessories kit is a water-resistant carry case, ready for the elements, and a Nylon Type-C and Micro USB all-in-one cable, ensuring you are always …
34.19Buy!
£
Amazon.co.uk
Delivery: to United Kingdom
Report
GP PowerBank MP20B 20000mAh USB-C/USB-A 130M20B Mobile Power Supply
Urban Factory UPB25UF power bank Polymer 20000 mAh Black
51.11Buy!
£
Amazon.co.uk
Delivery: to United Kingdom
Report
Maximum power: This powerful power bank in compact size impresses with a strong capacity of 20,000 mAh and an output power of 4.5 A. It is ideal for charging smartphones, tablets, notebooks, GPS, flas more→hlights, etc. FAST & SECURE: Compatibility with QuickCharge 3.0 and Power Delivery even allows you to charge laptops and notebooks! Our Ansmann MultiSafe technology protects electronic circuits from any possible damage Always overview: control the remaining charge level with the practical LCD display percentage accuracy and never go out of the house again without energy Ready for flight: with 74 Wh, this external battery for iPhone, Samsung, Huawei, Google, etc. is accepted by airlines in the …
29.79Buy!
£
Amazon.co.uk
Delivery: to United Kingdom
Report
Ruck 20000mAh Power Bank
With 130W USB Charging

100W Portable Laptop Charging

Rucks fast USB-C charging is perfect for keeping your power-hungry MacBook Pro or Ste more→am Deck going on your travels.

130W Dual Device Charging

Fast charge your MacBook Pro and iPhone 15 at the same time with 100W USB-C and 30W USB-A charging.

Big Battery in a Slim Chassis

Rucks 20000mAh battery can recharge an iPhone 15 Pro Max three times or add hours to your laptops battery life.

Handy Info At A Glance

With the touch of a button Ruck can show you how fast your devices are charging how long its battery will last and much more.

It Even Tells Time

When you dont want to drain your phones
24.19Buy!
£
Amazon.co.uk
Delivery: to United Kingdom
Report
High Capacity: 20,000 mAh ultimate power capacity that can charge a standard smartphone up to 6 times, giving you extra 72 hours of time.
Dual Outputs: 2 USB-A output ports that can charge 2 de more→vices at once.
Rapid Charging: 2.1A rapid charging for all of your charging needs.
LCD Display: The LCD indicator shows the battery level and charging status at a quick glance.
Dual Inputs: 1 USB-C and 1 micro-USB inputs can recharge based on your convenience.
PowerSafe: Guarantees against short circuit, and over-charging for your portable battery and devices.
36.99Buy!
£
Amazon.co.uk
Delivery: to United Kingdom
Report
Powerful Fast Charge: Featuring QC 22.5W and PD 20W powerful output, this mobile phone power bank can fast fuel your devices, iPhone 15 Pro can be charged to 60% in 30 mins. Say goodbye to waiting. 3 more→-in-1 Fast Charge: Equipped with 2*USB A ports and 1*USB C port, this portable charger can fast charge 3 devices simultaneously and meet your different charging needs. No more queuing when charging. Power for days: UGREEN 20000mAh Power Bank can meet 5-7 days of battery life, fully charge iPhone 15 Pro up to 4.5 times and 3 times for Galaxy S24 Ultra, ideal for travel, business trips, camping, or other outdoor activities. Smaller Size, Bigger Power: Advanced technology makes this portable charger …
This 20,000 mAh powerbank is a reliable companion for charging laptops, tablets and smartphones on the go. With a remarkable 65W output capacity, you can charge even the most demanding devices with ea more→se. Equipped with a USB-C port for input and output, a USB-C port for output only, and an additional USB-A port, this powerbank offers versatility to charge multiple devices simultaneously.Designed for comfort and style, the powerbank features a soft-touch material for a comfortable grip, while one side is made of fabric, providing better traction and an attractive appearance. The LED display provides real-time information on the powerbank´s charge percentage and power output, so you´re always in…
31.15Buy!
£
Amazon.co.uk
Delivery: to United Kingdom
Report
Compatibile con tanti dispositivi: 20.000 mAh per soddisfare le esigenze dei possessori di smartphone, tablet, auricolari, cuffie, speaker, droni, e-reader, console Ricarica due device alla volta: gr more→azie alle due uscite USB alimenta in tutta sicurezza i dispositivi senza rischi di surriscaldamento o sovraccarichi Alimentazione rapida: la porta USB da 2.1a è in grado di ricaricare uno smartphone del 50% in circa 30 minuti Ricarica x 8: il powerbank è in grado di ricaricare fino a 8 volte uno smartphone con batteria da 2.500 mAh Cavetto di ricarica: alimenta il powerbank con il cavetto incluso nella confezione
23.22Buy!
£
Amazon.co.uk
Delivery: to United Kingdom
Report
[Power and thin] This 20,000 mAh backup battery can charge a smartphone 6-8 times to ensure an emergency power supply. It offers a considerable energy reserve, which is especially useful for longer tr more→ips, hikes or emergency situations. [Backup Battery with Ports] You can charge your devices via the USB-A port and USB-C port. It allows you to charge multiple devices such as smartphones, tablets, headphones, smartwatches, cameras and even laptops at the same time. Thus, it offers a versatile charging solution. [Compact and Slim External Battery] This battery is designed to allow you to use your smartphone and hold both devices with one hand. LED display: Thanks to the digital display, the remaining …
79.99Buy!
£
Amazon.co.uk
Delivery: to United Kingdom
Report
100W Flash Charge: This 100W Laptop power bank can power up your devices at full speed, Macbook Pro 16" can be charged to 42% in just 30 mins via C1, and iPhone 15 can fast fuel to 60% in 30 mins. Les more→s time to wait, more time to enjoy. 3-in-1 Fast Charging: Equipped with 2* USB C ports (USB C1 100W+ USB C2 30W) and 1* 22.5W USB A port, this powerful 20000mAh Power Bank fast charging can fast charge 3 devices simultaneously. No more queuing when charging. 20000mAh High Capacity: UGREEN USB C Power Bank 20000mAh can meet 5-7 days of battery life, fully charge iPhone 15 Pro up to 4.5 times and MacBook Air 15'' up to 1.1 times, ideal for travel, business trips, camping, or other outdoor activities.…
87W Power to Share: Distribute 87W across three devices, with a single device receiving up to 65W, to rapidly charge iPhones, Samsung phones. Quickly charge a 14" MacBook Pro to 50% in under 40 minute more→s.
Speedy Cable Charging: Utilize the built-in cable to elevate your iPhone 15 Pro to 58% or a MacBook Air to 52% in 30 minutes. You can also fully recharge this power bank in 1.5 hours with a 65W charger.
20,000mAh for Extended Use: Eliminate concerns about battery depletion with a 20,000mAh power bank that ensures consistent, reliable charging for all your devices, also approved for airline travel.
Lasts Longer, Charges Faster: The integrated USB-C cable is designed to endure, withstanding …
29.99Buy!
£
Currys.co.uk
Delivery: to United Kingdom
Report
Good to know- Charge up to 3 devices at once - you don't have to choose between working and listening to music anymore- With 20000 mAh of power you can fully charge your smartphone about six times, so more→you can go without a socket for days- LED indicators let you know when the power bank needs charging too- It comes with a USB-C cable so you can start using it straight away
24 more item(s)
1 ... 3 4 5 6 7
Filters
Price
from£ up to£ 
Brands
Capacity
Capacity
Outputs
USB A ports for charging
USB type C ports for charging
Max. power (per 1 port)
Total output (all ports)
Charging functions
Fast charge
Built-in output cable
Power bank charging inputs
More features
more
Battery type
Cables in box
Colour
Material
Body thickness
Weight
Clear parameters