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20000 mAh power banks

 prices on 137 models  
~ 20,000 mAh
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The best emergency charging, equipped with two USB-C and MICRO-USB input ports and a 12W USB output port for charging the device
Compact: reduced volume thanks to high-density lithium polymer cells, so you can always carry it on
Design: non-slip paint to ensure a solid grip and skin-friendly soft material coating
BOX CONTENTS: Portable battery charger, USB-C cable, instructions
£33.95
Amazon.co.uk
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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, flashlights, 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 …
£46.00
Amazon.co.uk
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CoreParts MBX-PB006 power bank Lithium-Ion (Li-Ion) 20000 mAh Black
£60.17
Smartteck.co.uk
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Smartteck.co.uk
Portable Power Pack / 20,000 mAh / Quick Charging Technology Power Delivery 3.0 / USB-A Interfaces / Black / 365 g
from £23.69
Compare prices and buy INIU INIU MegaPowerⅡPD 20000 mAh Black
£24.00
£24.00
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Item: QOOVI 20000mAh&10000mAh Power bank Capacity Type: 20000mAh (74Wh) Feature: LED Power Display Shell Material: Plastic Features: With LED Lamp Input Interface: Micro USB,USB Type C Output Interface :Double USB Battery Type: Li-polymer Battery Brand Name: QOOVI Type: Portable Power Bank Weight (20000mAh):380g Size (20000mAh): 135 * 70 * 28mm Weight (10000mAh): 420g Size (10000mAh): 135mm * 70mm * 14mm Output USB-1 & USB-2: 2.4A Max, 5V/2.1A Input Type C / Mirco: 5V/2.1A For iPhone: For iPhone 15 14 13 Pro Max Mini 12 11 Xs X 8 7 For Xiaomi: For Xiaomi mi 13 12 11 10 9 8 7 6 5X Mi Max 2 Redmi Note 10 9s 8 7 Pro For Samsung: For Samsung S23 S22 S21 S20 S10 Plus Note 10 9 A51 A71 For Huawei:
£22.39
Joom.com
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Joom.com
Good to know- This charger will give you about up to 75 hours of battery life for your devices, so you'll be covered for the entire weekend - You can charge up to 3 devices at once using the 2 USB ports and 1 USB-C port- There's a USB to USB-C cable included in the box so you'll have everything you need to get started- The LED light lets you know when it's time to recharge
£29.99
Currys.co.uk
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Currys.co.uk
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 connector, 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.
£59.99
Currys.co.uk
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Currys.co.uk
Juice JUI-PBANK-MAX-20000MA-ECO-BLK 20000 mAh Black
from £24.48 up to £28.00 
Compare prices and buy Juice JUI-PBANK-MAX-20000MA-ECO-BLK 20000 mAh Black JUIPBNKMAX20000MECOB
£24.00
£28.00
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Sleek design that fits comfortably in your hand Provides your device with the perfect amount of power for a safe, quick charge. Simply connect the battery to your smart phone or tablet and charging begins.
£29.95
Amazon.co.uk
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Energizer 20000mAh Power Bank Macbooks
from £41.05 up to £62.00 
Compare prices and buy Energizer 20000Mah Power Bank. Macbooks XP20001PD-GY
£41.00
£62.00
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① 20W PD iP Fast Charge ② Support Multiple Fast Charge Protocols ③ Dual Inputs and Three Outputs ④ 10000mAh, 20000mAh, 30000mAh High Capacity ⑤ LED Display for Battery Level ⑥ NTC Temperature Protection
£35.61
Joom.com
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Hyper Fast Charge 22.5W :Adopts the world's latest fast charging standard 22.5W PD USB C In & Out, fast charging for the charger and all existing and upcoming USB C devices.
Charge 3 Devices Together:With its 3 outputs(USB C+USB 1/2), this mini power bank Multiple port design meet your different charging needs. Meanwhile, the power bank itself can be fast recharged
Support Both 22.5W/ 20W PD&18W QC Fast Charging:For PD and QC quick charge-enabled phones , the 20W PD quick charging tech most mobile phones from 0% to 50% can be charged within 30 minutes.
Fast Charging-5A :For most power banks on the market,it can only support 1.5A,2A or 3A charging,for this USB C battery pack,it can delivery…
from £24.99 up to £26.99 
Compare prices and buy Veger 20000mAh Power Bank225W fast charging USB C Battery Pack with Type C
£25.00
£25.00
£27.00
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130W Super Fast Charging: Equipped with 2*USB C ports and 1*USB A port, UGREEN power bank fast charging supports power up 3 devices at once. USB C1 100W+USB C2 30W provides rapid charging for your laptop and phone simultaneously, MacBook Pro 16'' can be charged to 43% in just 30 mins while an iPhone 15 can also be charged to 60% at the same time, worry-free work anytime, anywhere 20000mAh Large Capacity: UGREEN laptop power bank 20000mAh keeps your devices charged for days, fully charging iPhone 15 4 times, iPad Pro 11" up to 2 times, and MacBook Air 13" up to 1.3 times. Ideal for on-the-go, say goodbye to power anxiety Premium Digital Display: The advanced TFT screen displays detailed information …
£89.99
Amazon.co.uk
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Amazon.co.uk
22.5w High Speed:This 22.5w Power bank combines PD3.0 and QC4+ fast charging technology. It can charge the latest iPhone from 0% to 60% in 35 minutes, three times faster than a traditional 1A charger. Just put it in your pocket, and you can power all your devices, even the entire family. Build in Full Metal:This power bank is made of aluminum alloy with a precise color plating process. It has a fine colour surface and a shimmering metallic lustre. The stunning design not only looks great, but also helps dissipate heat during the charging process. Know Before You Go:A digital display shows the percentage of power remaining and when to recharge. Fully charge your power bank before you go and …
£37.31
Amazon.co.uk
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Name: Power Bank Model No.: PPQD3-10 Battery: Polymer lithium battery Rated Capacity: 5800mAh (5V/2.4A) Energy Conversion Rate:≥75% Type-C Input: 5V/3A; 9V/2A; 12V/1.5A Type-C Output: 5V/2.4A; 9V/2.22A; 12V/1.5A Type-C Cable Output: 5V/2.4A; 9V/2A; 12V/1.5A; 10V/2.25A(SCP) IP Cable Output: 5V/2.4A; 9V/2.22A USB Output: 5V/2.4A Total Output: 5V/2.4A Features: Built-in Dual Fast Charging Cables Equipped with an Apple 20W PD fast charging cable and a HUAWEI SCP 22.5W cable, satisfying all your charging needs at once. Charge 4 Devices Simultaneously Supports 4-port simultaneous output, good for sharing and no more waiting. Smart Digital Display Real-time battery level display to show you
£46.20
Joom.com
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Joom.com
The PowerBank M2 20000mAh is a reliable and stylish power bank with great power. It has a USB Type-C port that allows you to charge your devices very quickly. The M2 PowerBank charges your phone to over 55% in just 30 minutes! A fully charged Powerbank M2 is enough to charge your smartphone. With six different safety features and robust construction, this power bank will be your best ally for many years. The six built-in safety guards are designed for smooth charging. The protectors ensure your devices are charged safely and protect them from looping, overcharging and discharging, short circuit, overloaded inputs and outputs, overheating, too low temperatures and other possible hazards. ⚡ Ke…
£24.76
Amazon.co.uk
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BIGEE Power: 20000 mAh emergency battery (USB-A/USB-C).N/AN/ABIGEE powerN/ACharge even faster !N/ABIGEE power is a compact and extremely powerful external battery capable of recharging a computer powered by USB-C thanks to its ports that deliver up to 65watts. Its capacity of 20.000 mAh will give you the possibility of fully recharging your Mac or your laptop 3 or 4 times.N/AN/AUp to 3 devices simultaneouslyN/ACharge all your devices in one place !N/ABIGEE power is very easy to use just plug in and start charging. Two 65W and 30W USB-C ports and one 22.5W USB-A port will give you the ability to charge all types of devices no matter which cable you use. With BIGEE are included two charging cables …
from £55.42 up to £65.99 
Compare prices and buy Urban Factory Bigee Power Polymer 20000 mAh Black Grey BEB22UF
£55.00
£58.00
£66.00
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RELIABLE SUPPORT FOR YOUR SMARTPHONE: The power bank Setty with an impressive capacity of 20000mAh provides enough power to charge your phone from zero to a hundred even five times, making it an indispensable companion on any trip and daily use. Unique versatility: Two USB output ports allow you to charge two devices simultaneously, so you can connect both your phone and tablet, smartwatch or headphones without waiting for a queue. Universal charging: The Setty PB1-201 is equipped with two input ports - microUSB and USB-C, which allows you to charge the power bank with different cables according to your preferences and needs. Intelligent LED Indicators: the built-in LED lights allow you …
£24.90
Amazon.co.uk
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Romoss SW20 PS+ Power Bank (Additional Battery) Li-Ion 20000 mAh YKMS02119 Contents: 1 item
£82.93
Amazon.co.uk
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Ricarica due device alla volta: grazie alle 2 uscite USB, potrai ricaricare due dispositivi contemporaneamente Tecnologia intelligent charge: l'uscita USB da 2.1 a è in grado di riconoscere la potenza massima assorbibile dal device e la regola di conseguenza, evitando rischi Velocità di ricarica: la batteria da 20000mah è in grado di portare in soli 30 minuti il livello di carica del tuo smartphone al 50% Ricarica x8: il powerbank è in grado di ricaricare fino a 8 volte uno smartphone con batteria da 2.500 mAh Indicatori LED di stato carica:indicano il livello di energia del powerbank (25-50-75-100%)
£51.16
Amazon.co.uk
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Amazon.co.uk
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: grazie 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
£31.16
Amazon.co.uk
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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 - 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 …
£62.99
RobertDyas.co.uk
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RobertDyas.co.uk
Long duration: keeps your smartphone charged for a whole week with 20,000 mAh / 74 Wh capacity for up to 7 battery charges. So you are guaranteed not to run out of juice on the go
Universal charging: with 2 x USB-A ports and 2.1 A/10.5 W output power, the power bank supports all USB-charging devices. The power bank itself is quickly refueled at the USB-C or Micro USB input
Safety: guarantees maximum safety for you and your device. The Ansmann multi-safe technology of the power banks reliably protects against overcharging, deep discharge, overload and short circuit
Compatible: ideal for iPhone 13, 12, 11, X, iPad, Samsung Galaxy S21, S20, S10, Huawei P40, P30, etc. The 4 integrated LEDs always …
£36.99
Amazon.co.uk
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