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20000 mAh power banks

 prices on 148 models  
~ 20,000 mAh
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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 Bluetooth 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,…
from £42.99 up to £50.93 
Compare prices and buy GP Batteries 130M20BBLUE
£43.00
£51.00
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Compact and portable power bank with duel 2.4A fast charging USB ports. Allows you to charge 2 devices at the same time. Will charge your device 5.3 times. 18W fast charge technology to power your device up quickly. Technology to protect your device with overcurrent protection, overcharge protection, over voltage protection, overdischarge protection and short circuit protection. Light indicators to show the power levels in the power bank. 2 year manufacturers warranty. 200% plastic regenerative. 100% carbon neutral. 100% sustainable packaging, FSC certified.
£198.84
Amazon.co.uk
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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 …
£35.87
Amazon.co.uk
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Specifications:Design:- Number of devices connected simultaneously (max.): 1- Charger Compatibility: Universal- Shape: Rectangle- LED indicators: YesPerformance:- Charging source: USB- Battery technology: Lithium- Battery capacity: 20000mAhPower control:- Input voltage: 5V- Input current: 2A- Output voltage: 12V- Output current: 1.67A- Current Port 2 Output: 1.5APorts and Interfaces:- Input interface: USB Type C- USB A number of outputs: 1- Number of USB Type C ports: 1Environmental conditions:- Operating temperature range: 0 - 40°CWeight and measurements:- Broad: 68.5mm- Depth: 25mm- Height: 137mm- Weight: 401g
from £20.49 up to £34.52 
Compare prices and buy Celly PBE20000EVOBK
£20.00
£35.00
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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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The best emergency charge, equipped with two USB-C and MICRO USB input ports and a 12W USB output port for charging the device Compactness: High density lithium polymer cells ensure low volume and maximum power bank portability Design: non-slip coating and soft touch coating give grip strength and pleasant feel Battery capacity: 20000 mAh Box contents: power bank, USB-A to USB-C cable, instruction manual
£42.69
Amazon.co.uk
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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 …
£25.52
Amazon.co.uk
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Dual USB Charger / 20,000 mAh / Quick Charging Technology Power Delivery 3.0
£79.99
Idealo.co.uk
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Idealo.co.uk
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 staycation 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 …
from £26.87 up to £29.19 
Compare prices and buy Juice JUI-PBANK-MAX-20000MA-ECO-NVY 20000 mAh Navy PBANKMAX20000MAECONV
£27.00
£29.00
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Powerful powerbank with 4 ports (1x input Micro USB, 2x output USB A, 1x bidirectional port USB Type C) to charge up to 3 devices at once Tech Trend: USB Type C 5V/ 3A input and output for speed charging with up to 15 Watt Stylish and texturized premium design with VARTA brand elements Designed with VARTA's Advanced Safety Technology that has been awarded with the EU Product Safety Award in Gold Scope of delivery: 1x VARTA Power on Demand Power Bank 20000 mAh, frust-free packaging
£23.81
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 £70.21 up to £78.91 
Compare prices and buy Urban Factory Bigee Power. Battery capacity: 20000 mAh Battery technology:
£70.00
£79.00
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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
£34.01
Amazon.co.uk
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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
Dual USB Charger / 20,000 mAh / Quick Charging Technology Power Delivery 3.0 / USB-A Interfaces / 365 g
£32.62
Idealo.co.uk
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Idealo.co.uk
HIGH CAPACITY: 20000mAh wireless powerbank built with lithium polymer batteries. Lightweight charger with high safety standards. Equipped with 3 outputs, one wireless, 1 USB-A and 1 USB-C. SMART WIRELESS CHARGING: Supports up to 5W | 7.5W | 10W | depending on device - simply place your phone or device in the middle of the charger pad for easy wireless charging. Automatically detects and adjusts current intensity according to the type of device connected PD technology (power delivery: charges your device from 0 to 75% charge in just 30 minutes. Unlike common portable battery chargers, Energizer wireless charger is equipped with PD technology, which unlike the common QC (quick charge) technology …
£34.90
Amazon.co.uk
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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 …
£31.19
Amazon.co.uk
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GP PowerBank MP20B 20000mAh USB-C/USB-A 130M20B Mobile Power Supply
£34.19
Amazon.co.uk
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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 minutes.
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 …
from £59.99
Compare prices and buy ANKER 20000mAh Portable Charger with Built-in USB-C Cable 87W M
£60.00
£60.00
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Fast charging, high capacity power bank. Charge 2 mobile devices at the same time, such as your smartphone, tablet, e-reader, wireless headphones or other small device. Perfect for heavy video users and those who regularly use multiple devices. The 4 level digital battery display shows how much charge is remaining. Ideal for long journeys and trips away. With enough power for up to 8 phone charges, the MIXX PowerUp 8 keeps up with your demanding lifestyle. Specifications 20000mAh power bank 2 USB ports - charge your phone and another mobile device at the same time Charge your phone up to 8 times 4 level battery indicator Capacity: 20000mAh / 74Wh Output: 2x DC 5V, 2.1A Input: DC 5V 2A Dimensions …
£16.99
RobertDyas.co.uk
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RobertDyas.co.uk
3 PORTS W/ FAST CHARGING: This BoostCharge power bank lets you simultaneously charge up to 3 devices with a USB-C port and 2x USB-A ports. Get a fast, dependable charge to your iPhone or android. HIGH CAPACITY & INCLUDED CABLE: Pre-charged and ready to use, with 20,000 mAh of power delivering 78 hours of additional battery life to your smartphone. A 6-inch USB-C to USB-A cable is included so you can start charging compatible devices right away! VERSATILE PD COMPLIANCE: The BoostCharge 3-Port Power Bank supports fast charging for smartphones, tablets, and other PD-enabled devices with 15W maximum output. LED INDICATOR LIGHT: This Belkin power bank is designed with a built-in LED light that …
£34.99
Amazon.co.uk
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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
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 charges.
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 …
£74.47
Amazon.co.uk
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