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20000 mAh power banks

 prices on 152 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 Bank Joyroom JR-QP192
Joyroom JR-QP192
Battery capacity:20000 mAh, 74 W*h, Li-Pol
Outputs:USB A 2, maximum 22.5 W, USB type C 1, maximum 20 W
Input:microUSB, USB type C, maximum 18 W
Body:plastic
Weight:437 g
£30.41
Amazon.co.uk
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Amazon.co.uk
Power Bank Intenso PD20000 QC3.0
Intenso PD20000 QC3.0
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Battery capacity:20000 mAh, 74 W*h, Li-Pol
Outputs:USB A 1, USB type C 1
Input:microUSB, USB type C, maximum 18 W
Body:plastic
Weight:385 g
10000 mAh20000 mAh
18 W
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
£31.15
Amazon.co.uk
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Amazon.co.uk
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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Amazon.co.uk
Power Bank Mophie Powerstation XXL
Mophie Powerstation XXL
Battery capacity:20000 mAh, Li-Pol
Outputs:USB A 3
Input:microUSB
Body:aluminium
Weight:428 g
£31.19
Smartteck.co.uk
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Smartteck.co.uk
Power Bank NATEC Trevi 20000
NATEC Trevi 20000
Battery capacity:20000 mAh, 74 W*h, Li-Pol
Outputs:USB A 2, USB type C 1
Input:microUSB, USB type C
Body:plastic
Weight:413 g
£31.29
Amazon.co.uk
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Amazon.co.uk
Power Bank 3MK PowerHouse 20000
3MK PowerHouse 20000
Battery capacity:20000 mAh, 74 W*h, Li-Pol
Outputs:USB A 2, maximum 22.5 W, USB type C 1, maximum 20 W
Input:microUSB, USB type C, maximum 18 W
Body:plastic
£31.99
Amazon.co.uk
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Amazon.co.uk
Power Bank BASEUS Bipow 25W 20000
BASEUS Bipow 25W 20000
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Battery capacity:20000 mAh, 74 W*h, Li-Pol
Outputs:USB A 2, maximum 18 W, USB type C 1, maximum 25 W
Input:USB type C
Body:plastic
Weight:452 g
£31.99
Amazon.co.uk
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Amazon.co.uk
Power Bank Xtorm Fuel Series 20W 20000
Xtorm Fuel Series 20W 20000
Battery capacity:20000 mAh, 74 W*h, Li-Pol
Outputs:USB A 2, maximum 18 W, USB type C 1, maximum 20 W
Input:USB type C, maximum 20 W
Body:plastic
Weight:376 g
10000 mAh20000 mAh
Power Bank Energizer UE20055PQ
Energizer UE20055PQ
Battery capacity:20000 mAh, 74 W*h, Li-Pol
Outputs:USB A 1, maximum 22.5 W, USB type C 2, maximum 20 W
Input:USB type C, maximum 18 W
Body:plastic
Weight:400 g
£32.44
Amazon.co.uk
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Power Bank Hama Supreme 20HD Power Pack 20000
Hama Supreme 20HD Power Pack 20000
Battery capacity:20000 mAh, 74 W*h, Li-Pol
Outputs:USB A 2, maximum 15 W, USB type C 1
Input:microUSB, USB type C, maximum 10 W
Body:plastic
Weight:361 g
Dual USB Charger / 20,000 mAh / Quick Charging Technology Power Delivery 3.0 / USB-A Interfaces / 365 g
£32.65
Idealo.co.uk
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Idealo.co.uk
The 20000mAh high capacity can provide extra screen time up to 72 hours for a smartphone, 24 hours for a small tablet, and 16 hours for a large tablet. Triple output design with 2 USB-C ports and 1 USB-A port that can charge up to 3 devices simultaneously. Fast charging at 2.1A, effectively charge your devices wherever you go The battery life LED indicator shows charging status and battery level in a snap. PowerSafe management ensures against short circuit, over-current, overload and over-discharge for your power bank and devices. Package Included 1 x UE20050C 1 x Charging Cable 1 x User Manual
£32.68
Amazon.co.uk
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Amazon.co.uk
This large-capacity battery is equipped with 2 USB-A ports on the front with 2.1A power each. It allows you to charge 2 devices simultaneously and very quickly. This battery is very fine and can be taken and travel with you in all circumstances.
from £32.70 up to £37.75 
Compare prices and buy Urban Factory UPB25UF power bank Polymer 20000 mAh Black
£33.00
£38.00
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Power Bank A-Data P20000QCD
A-Data P20000QCD
Battery capacity:20000 mAh, 74 W*h, Li-Pol
Outputs:USB A 2, USB type C 1
Input:microUSB, USB type C, maximum 18 W
Body:plastic
Weight:365 g
£33.57
Amazon.co.uk
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Amazon.co.uk
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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Amazon.co.uk
Juice JUI-PBANK-MAX-20000MA-ECO-BLK power bank 20000 mAh Black
£34.15
Smartteck.co.uk
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Smartteck.co.uk
GP PowerBank MP20B 20000mAh USB-C/USB-A 130M20B Mobile Power Supply
£34.19
Amazon.co.uk
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Amazon.co.uk
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 £20.99 up to £34.52 
Compare prices and buy Celly PBE20000EVOBK
£21.00
£35.00
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Power Bank Green Cell PowerPlay 20 20000
Green Cell PowerPlay 20 20000
Battery capacity:20000 mAh, 74 W*h, Li-Pol
Outputs:USB A 2, USB type C 1
Input:USB type C
Body:plastic
Weight:341 g
Power Bank BASEUS Qpow Pro Digital Display Lightning 20W 20000
BASEUS Qpow Pro Digital Display Lightning 20W 20000
Battery capacity:20000 mAh, 74 W*h, Li-Pol
Outputs:USB A 1, maximum 18 W, USB type C 1, maximum 20 W
Input:USB type C, Lightning, maximum 18 W
Body:plastic
Weight:360 g
£34.99
Amazon.co.uk
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Power Bank BASEUS Qpow Pro Digital Display Type-C 22.5W 20000
BASEUS Qpow Pro Digital Display Type-C 22.5W 20000
Battery capacity:20000 mAh, 74 W*h, Li-Pol
Outputs:USB A 1, maximum 22.5 W, USB type C 1, maximum 18 W
Input:USB type C, Lightning, maximum 18 W
Body:plastic
Weight:360 g
£34.99
Amazon.co.uk
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Amazon.co.uk
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