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20000 mAh power banks

 prices on 160 models  
~ 20,000 mAh
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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 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
£29.99
Currys.co.uk
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Currys.co.uk
[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 trips, 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 …
£23.82
Amazon.co.uk
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Amazon.co.uk
Item: QOOVI 20000mAh&10000mAh Power bank Capacity Type: 20000mAh (74Wh) & 10000mAh (37Wh) 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): 220g 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
£22.39
Joom.com
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Joom.com
Sleek, durable battery pack charges devices — fast. Portable OtterBox Fast Charge Standard Power Banks are designed with industry-leading mobile expertise and quality that is uniquely durable — to build trust, foster connections and instill confidence for whatever the day brings.Features:- Up to 3.6X faster charging* so you won't miss the moments that matter most- USB-A and Fast Charge USB-C ports allow for multi-device charging- Battery capacities range in size from a quick boost to multiple complete refuels- LED power indicator displays charging status and current battery life- Sleek, quality finish fits into the tightest pockets- Durable design engineered with trusted drop protection- Incl…
from £28.99 up to £44.99 
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£29.00
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Safety and comfort: the everActive power bank consists of a high-quality lithium polymer battery. The built-in advanced chip automatically detects the connected device and charges it with the appropriate maximum current. The intelligent iQ Smart Charging technology ensures extremely fast charging and advanced security. An integrated safety unit ensures absolute protection against overcharging, deep discharge, short circuit and excessive current. INNOVATION THROUGH HIGH PERFORMANCE AND RELIABILITY: The charging process starts automatically, no need to press a button. With the LED indicator on the housing, the charging status can be checked at any time. The satin-coloured case is resistant to …
£26.12
Amazon.co.uk
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Amazon.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
[Performance and Fineness] This 20,000mAh backup battery can charge a smartphone 4-6 times to ensure emergency supply. It offers a considerable energy reserve, which is especially helpful for longer trips, hikes or emergencies. [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 simultaneously, such as smartphones, tablets, headphones, smartwatches, cameras and even laptops. Thus, it offers a versatile charging solution. [Compact and Slim External Battery] This battery is designed to fit behind your phone, allowing you to use your smartphone and hold both devices with one hand. LED indicator: Thanks to the LED …
£20.51
Amazon.co.uk
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Amazon.co.uk
3 device alla volta: tre uscite USB per alimentare in contemporanea tanti tipi di dispositivi come smartphone, tablet, auricolari, cuffie, speaker, GPS, kindle e smart watch Ricarica fast: il powerbank ricarica lo smartphone del 50% in soli 30 minuti utilizzando un'uscita USB da 2.4a Ricarica x 8: la batteria da 20.000 mAh, completamente carica, consente di alimentare fino a 8 volte uno smartphone con batteria da 2.500 mAh Multiple input e dual charge: grazie agli ingressi micro USB e type-c puoi utilizzare due tipologie di cavetti per alimentare il powerbank mentre esso stesso ricarica lo smartphone Eleganza: la scocca di colore silver conferisce al powerbank un aspetto ricercato, esclusivo …
£46.16
Amazon.co.uk
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Amazon.co.uk
Dual USB Charger / 18,000 mAh / Power Output (Max) 3 / Battery Charging Time 3.5 h / USB-A Interfaces / 380 g
£66.49
Idealo.co.uk
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Idealo.co.uk
Total capacity 20000 mAh, Inside 4 pcs. 21700 Enrone 48G (4800mAh x 4) Support SCP multi protocol fast charge 22.5W KK-AFC USB output 2 pcs. fast charging USB PD 20W Support micro USB and Type C input Controller IP5356 Multi-protocol fast charging Type C for phones, laptops. You can take it on a plane without a declaration, safely and securely. Transparent housing, high-quality LED screen shows the remaining charge, current power consumption and voltage in real time. Specifications: Material: ABB-PVC The size: 154x65x29mm The weight: 390 gr. entrance: 2 pcs. : Apple Lightning : 5V 2A Type C: 5V 3A / 9V 2A / 12V 1.5A Exit: 2 pcs. ; USB: 5V 3A / 4.5V 5A / 9V 2A / 12V x 2
£49.00
Joom.com
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Joom.com
Reliable and robust intelligent technology: 20000mAh ultimate power capacity charges a standard smartphone up to 5 times and more
Triple output options on the go: 2 Smart USB-A and 1 USB-C output that can charge 2 devices at once
Rapid recovery and emergency charging: USB-C out/input port with Power Delivery that can provide fast charge to USB-C devices and new iPhones from 0% to 50% in only 30 minutes. Smart USB-A can support up to 22.5W fast charge for Samsung, Huawei, and other compatible Android devices
Intuitive and visible performance: The liquid-crystal display shows the power level and charging status
Peace of mind, trusted performance: Guarantees against short circuit, overcurrent,
£23.99
Amazon.co.uk
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Amazon.co.uk
GP PowerBank MP20B 20000mAh USB-C/USB-A 130M20B Mobile Power Supply
£34.20
Amazon.co.uk
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Amazon.co.uk
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 …
£43.95
Amazon.co.uk
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Amazon.co.uk
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. Less 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.…
£79.99
Amazon.co.uk
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Amazon.co.uk
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 …
£46.32
Amazon.co.uk
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Amazon.co.uk
6932172635657 P10022904213-00
£56.34
Amazon.co.uk
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Amazon.co.uk
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