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Best 10 20000mah Power Banks – Jul, 2022, UK

We have analyzed thousands of reviews in order to decide on what the best 20000mah Power Banks of the year are.

The Best 20000mah Power Banks of 2022

INIU Power Bank, 22.5W Fast Charging 20000mAh Powerbank, PD3.0 QC4.0 Portable Charger, 3A (USB C Input&Output) with Flashlight LED Display Battery Pack for iPhone 13 12 X Samsung S21 S20 iPad Huawei.
  • ✅【From INIU--the SAFE Fast Charge Pro】Experience the safest charging with over 38 million global users. At INIU, we use only the highest-grade materials, so we do have the confidence to provide an industry-leading 3 years warranty.
  • ✅【Charge Your Phone up to 58% in 30 Mins】With the upgraded 22.5W output plus the latest PD3.0 & QC4.0 fast-charge technologies, your phone can be charged at 58% in just 30 minutes.
  • ✅【Charge Your iPad Pro up to 34% in 30 Mins】Most power banks in the market cannot charge your iPad or charge at a snail’s pace. However, INIU with 22.5W high-speed output can charge all the existing iPad even the newest one at FULL speed.
  • ✅【2022 Version USB C Input & Output】Unlike most chargers featuring a USB C input only, INIU MegaPower 20W has a USB-C In & Out port to perfectly fit your new iPhones, iPad and all upcoming USB-C devices.
  • ✅【Charge THREE at Once】With one USB-C port and two USB ports built-in, it can juice up THREE devices simultaneously. Triple-port design allows you to share portable power with families and friends.
imuto Power Bank, Upgraded 20000mAh USB C 20W PD3.0 Portable Charger with USB 18W QC3.0 Input/Ouput Fast Charging External Battery Pack for iPhone 13, Samsung Galaxy S21, iPad, Smart Phones and More
  • 【Dual input port】 USB-C and Micro USB ports support 18W QC3.0 fast recharging input, equipped with QC3.0 and PD3.0 two-way fast recharge, powerful technology can reduce power bank recharging time by 2/3. Note: Two ports cannot be input at the same time when you want to hold a hold.
  • 【Super Function Design】 imuto Upgrade PD 20W fast charge technology, fully compatible with iPhone new generation mobile phones, can make a full speed fast charge for the new generation of iPhone. Input: Micro USB QC3.0 18W (Max) & USB-C PD3.0 18W (Max); USB-C PD3.0 20W (Max) output, USB iM-power II 18W (Max) output, can give two Different equipment charging simultaneously.
  • 【High-capacity & Quality】 20000mAh capacity, A-grade lithium polymer. The unique low current power supply features provide up to 10mA long-term safety charging current for bracelets, sports watches, and other wear devices to provide a more lasting power to your device.
  • 【iM-Power II Tech】 Comprehensive compatibility, wisdom recognition devices and smart match charging current, providing faster charging speed, support QC2.0/3.0 fast charging technology. Multiple safety protection: built-in safeguards keep your devices safe from over-charging, over-voltage, over-current, and short circuit.
  • 【What You Get】 1*Smart Power DQ02 Portable Charger Power Bank, 1*USB A to Micro USB Cable, 1*User Guide, 24-month and Friendly Customer Service.
imuto 20000mAh Compact Portable Charger Power Bank External Battery with Smart LED Digital Display Fast Charge Battery Pack for iPhone 13 Pro Max XR XS, iPad, Samsung Galaxy S21, Smart Phones and More
  • ✔ 20000mAh Capacity and Compact Size Backup Battery: Our cell phone battery charger is smaller than iPhone 6 Plus and powerful enough to charge iPhone 6 almost 8 times, iPad Air almost 1.7 times, Galaxy S6 almost 5.7 times and Macbook 2016 almost 1.2 times. For Nintendo Switch, please use USB-C 3.0 Cable to connect.
  • ✔ Digi-Power Display Technology: Shows remaining power in digital format. You always know when the usb battery charger is fully charged and how much power it's available. Our battery bank fits for almost all USB-powered devices with built-in LED flashlight for dark or low-light.
  • ✔ iM-Power Technology: The mobile charger packs come with two usb ports, both USB ports (5V/2.4A) detect your devices intelligently and deliver the faster charge to two devices at the same time.
  • ✔ Multiple Smart Protection System: We use high quality A-Class batteries together with multiple smart protection technology which could keep your devices safe from over-charging, over-voltage, over-current and short circuit.
  • ✔ What You Get: Taurus X4L Portable Battery Backup External Battery Pack Power Bank, Micro USB cable*1, User guide, our 24-month warranty
Anker Power Bank, USB-C Portable Charger 20000mAh with 20W Power Delivery, 525 Power Bank (PowerCore Essential 20K PD) for Phone 13/13 Pro / 13 Pro Max / 12/12 Pro, Samsung, iPad Pro, and More
  • The Anker Advantage: Join the 55 million+ powered by our leading technology.
  • Charge Fast Anywhere: The 20W USB-C port has enough power to charge an iPhone 12 to 50% in just 30 minutes. Also equipped with an 18W USB port if you need to charge a second device.
  • Ultra-High Cell Capacity: The massive 20,000mAh cell capacity provides 5 charges for iPhone 12, more than 4 full charges for Samsung Galaxy S10, and over 2 and a half charges for iPad mini 5.
  • Wide Compatibility: Charge virtually any mobile device including phones, tablets, and more.
  • What You Get: Anker 525 Power Bank (PowerCore 20K), USB-A to USB-C cable, USB-C to USB-C cable, travel pouch, welcome guide, and our worry-free 18-month warranty.
TOPK Power Bank, 20W USB C Fast Charging 20000mAh Portable Charger, PD3.0 QC4.0 Battery Pack With Digital Display PowerBank Compatible with iPhone 13 Pro Max, Samsung, Huawei, iPad, and More.
  • [20W Fast Charging] The TOPK power bank has two ports, including USB-A and USB-C. The USB-C output port is specially designed for the iPhone and offers a high-speed output of up to 20 W. In addition, USB A supports fast charging with 3A 18W, so that most mobile phones can be charged quickly.
  • [All-metal design] This external battery is made of all-metal housing that has good grip, super strong durability and scratch resistance. The amazing metal case not only looks fashionable and elegant, but also contributes to heat dissipation when charging.
  • [Intelligent LED Indicator] TOPK portable charger has excellent LED indicator lights that can accurately display the percentage of remaining battery status and current voltage during charging. When the mobile charger enters PD fast charge mode, the green PD text will be displayed on the screen. This allows you to clearly see whether it is being charged quickly.
  • [Safe Protection] All ports have full charging protection and the latest Topk charging technology. The built-in UL certified battery core and overcharge protection, short circuit protection, temperature control of the multi-protocol safety system offer you and your device more safety.
  • [General Compatibility] Topk power bank is fully compatible with all USB charging cables, including all iOS and Android smartphones, tablets, airpods, Bluetooth headphones, smart watches, other devices, etc.
Anker PowerCore 20100 - 20000mAh Ultra High Capacity Power Bank with Powerful 4.8A Output, PowerIQ Technology for iPhone 7/6s/SE, iPad and Samsung Galaxy S8/S7 and More (Black)
  • The Anker Advantage: Join the 80 million+ powered by our leading technology.
  • Ultra-High Capacity: Weighs as little as a can of soup (12.5 oz) yet charges an iPhone 8 almost seven times, the Galaxy S8 five times, or the iPad mini 4 twice.
  • High-Speed Charging: PowerIQ and VoltageBoost combine to deliver the fastest possible charge (does not support Qualcomm Quick Charge). Recharges itself in 10 hours with a 2 amp charger, phone chargers (generally 1 amp) may take up to 20 hours. 
  • Certified Safe: Anker’s MultiProtect safety system and high-quality LG battery cells ensure complete protection for you and your devices. 
  • What You Get: Anker PowerCore 20100 Power Bank, Micro USB cable, travel pouch, welcome guide, our fan-favorite 18-month warranty, and friendly customer service. USB-C cable and Lightning cable for iPhone / iPad sold separately.
VRURC Power Bank 20000mAh,22.5W PD & QC 3.0 Portable Charger Fast Charging,4 Output 3 Input Compact Battery Bank,LED Display External Battery Pack Compatible with iPhone,Android,Samsung and Tablets
  • ✅ [22.5W PD Fast Charging] The USB port of the mobile phone charger bank has a fast-charging power of up to 22.5W, which is compatible with most mainstream devices on the market, such as PD, QC, and Huawei SuperCharge, etc. With the outputs USB-1, USB-2 ( 5V/2.4A ), and Type C two ways port(5V/3A) ,you can quick charge 4 smart devices simultaneously.
  • ✅ [Multiple Input and Output Ports] The mobile power bank adopts a multi-port design, with 3 USB-A output ports (the USB1/2 USB port is for normal charging, the USB-3 USB port supports fast charging), Micro and IOS input ports, and the Type-C input and output port, 20000mAh power bank can meet most of the charging needs of daily life.
  • ✅ [Cable Storage Design] The bottom of the portable charger uses a unique lanyard design, which can be used as a USB C charging cable or as a lanyard, is convenient to carry around and also can be used to charge most smart devices directly.
  • ✅ [Compact & Accurate LED Display] the portable power bank only has 4.43*2.74*1.08 inches and 10.93 Oz weight, smaller than most of 20000 mAh power banks on the market. Equipped with an LED smart display, which can accurately grasp the remaining power at any time and prepare for your next plan.
  • ✅ [Safe Charging Protection] The power bank fast charging uses a high-quality smart chip,effectively to avoid your devices overcharging, overheating, and overheating. If you have any questions or problems, please feel free to contact us and we will solve them for you within 12 hours.
AOHKONG Power Bank Charger 20000mAh, 22.5W PD & QC 3.0 USB C Portable Charger Fast Charging With LED Display, For Phone Battery Pack Compatible For iPhone Pro Max Samsung Huawei etc.(grey)
  • 1✅ [Even Wider Compatibility] Power bank with 20000mAh ultra-large battery capacity, super portable charger can work with not only all the phones, tablets but your smaller devices like AirPods, Bluetooth headphones, fitness trackers, smart watches, etc.
  • 2✅【3X Ultra-Fast Charging】The newest 22.5W Power Delivery dual QC 3.0+ USB C port outputs, to revolutionize your experience of speed, especially bring Mobile Phone battery from 0 to 50% just in 40mins, 3X faster than regular 1A chargers.
  • 3✅【Even Wider Compatibility】Unlike the market’s most power banks incapable of charging low-current accessories, 22.5W PD & QC 3.0 Super portable charger can work with not only all the phones, tablets but your smaller devices like AirPods, Bluetooth headphones, fitness trackers, smart watches, etc.
  • 4✅ [Reliable Lithium Polymer Safety] With built-in intelligent chip, the battery pack can protect your devices against overcharge, over discharge, excessive currents , short circuits or overheating.
  • 5✅【What You Get】20000mAh portable charger*1, Micro USB Type-C cable*1, user manual*1, 30 days money back guarantee, 1-year return/exchange, and friendly customer service.
Undlidls Power Bank, USB C Triple 3.4A High-Speed 20000mAh Portable Charger, 15W Fast Charging Phone Battery Pack Compatible for iPhone 13 12 Xs 8 Samsung Galaxy S21 S10 Huawei Xiaomi Tablet
  • 20000mAh Ultra-High Cell Capacity: The massive 20,000mAh powerbank cell capacity provides more than 5 charges for iPhone XS, almost 5 full charges for Samsung Galaxy S10, more than 3 and a half charges for Huawei P30, and over 2 and a half charges for iPad mini 5.
  • 15W High-efficiency USB-C: Equipped with the latest worldwide USB C charging standard, working as both input and output to not only let you fast refuel the charger(15W Max), but perfectly fit your newest iPhone, Android, and all upcoming USB C devices.
  • Triple 3.4A High-speed Charging: Outpace your mates and charge 1.4x faster through our Power+ technology. After intelligently identifying your devices, it auto-adjusts the output up to 3.4A. Input: DC5V/3A(MAX), Ouput: DC5V/3.4A(MAX).
  • Even Wider Compatibility: Unlike the market’s most power banks, Undlidls can deliver an trickle-charging mode charge to your devices like headphones, fitness trackers, smartwatches is the best way to charge low-power accessories.
  • What You Get: Undlidls 20000mAh portable charger, USB-C cable, User Manual. We provide 24*7 friendly customer support and also back our products for 18 months. (wall charger not included)
Baseus Power Bank, 22.5W 20000mAh Fast Charging USB C Portable Phone Charger, PD3.0 QC4.0 Slim Battery Pack with LED Display for iPhone 12 11 XS 8 Samsung Galaxy S21 S20 S10 Huawei AirPods Tablet etc
  • 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 know exactly how long your device will be on power.
  • Wide compatibility:Compatible with all mobile phone models and tablets.
  • What You Get:Baseus Power bank 22.5W 20000mAh with lifetime support. We are confident in the long-lasting performance of our product. If you have any questions, please contact us, and we will reply within 24 hours.

Buying the best 20000mah Power Banks should become very easy if you take into consideration our recommended products! Make sure to check out the features, Product highlights, and our Scoring Index where we rate based on the following:

  • Is 20000mah Power Banks Value For Money?
  • What is the Quality of 20000mah Power Banks?
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  • Is 20000mah Power Banks Durable?

We also make sure that you get the best possible price through web stores that you can trust!

No time to read reviews? Choosing one of the following products should be fine:

INIU Power Bank, 22.5W Fast Charging 20000mAh Powerbank, PD3.0 QC4.0 Portable Charger, 3A (USB C Input&Output) with Flashlight LED Display Battery Pack for iPhone 13 12 X Samsung S21 S20 iPad Huawei.
  • ✅【From INIU--the SAFE Fast Charge Pro】Experience the safest charging with over 38 million global users. At INIU, we use only the highest-grade materials, so we do have the confidence to provide an industry-leading 3 years warranty.
  • ✅【Charge Your Phone up to 58% in 30 Mins】With the upgraded 22.5W output plus the latest PD3.0 & QC4.0 fast-charge technologies, your phone can be charged at 58% in just 30 minutes.
  • ✅【Charge Your iPad Pro up to 34% in 30 Mins】Most power banks in the market cannot charge your iPad or charge at a snail’s pace. However, INIU with 22.5W high-speed output can charge all the existing iPad even the newest one at FULL speed.
  • ✅【2022 Version USB C Input & Output】Unlike most chargers featuring a USB C input only, INIU MegaPower 20W has a USB-C In & Out port to perfectly fit your new iPhones, iPad and all upcoming USB-C devices.
  • ✅【Charge THREE at Once】With one USB-C port and two USB ports built-in, it can juice up THREE devices simultaneously. Triple-port design allows you to share portable power with families and friends.
imuto Power Bank, Upgraded 20000mAh USB C 20W PD3.0 Portable Charger with USB 18W QC3.0 Input/Ouput Fast Charging External Battery Pack for iPhone 13, Samsung Galaxy S21, iPad, Smart Phones and More
  • 【Dual input port】 USB-C and Micro USB ports support 18W QC3.0 fast recharging input, equipped with QC3.0 and PD3.0 two-way fast recharge, powerful technology can reduce power bank recharging time by 2/3. Note: Two ports cannot be input at the same time when you want to hold a hold.
  • 【Super Function Design】 imuto Upgrade PD 20W fast charge technology, fully compatible with iPhone new generation mobile phones, can make a full speed fast charge for the new generation of iPhone. Input: Micro USB QC3.0 18W (Max) & USB-C PD3.0 18W (Max); USB-C PD3.0 20W (Max) output, USB iM-power II 18W (Max) output, can give two Different equipment charging simultaneously.
  • 【High-capacity & Quality】 20000mAh capacity, A-grade lithium polymer. The unique low current power supply features provide up to 10mA long-term safety charging current for bracelets, sports watches, and other wear devices to provide a more lasting power to your device.
  • 【iM-Power II Tech】 Comprehensive compatibility, wisdom recognition devices and smart match charging current, providing faster charging speed, support QC2.0/3.0 fast charging technology. Multiple safety protection: built-in safeguards keep your devices safe from over-charging, over-voltage, over-current, and short circuit.
  • 【What You Get】 1*Smart Power DQ02 Portable Charger Power Bank, 1*USB A to Micro USB Cable, 1*User Guide, 24-month and Friendly Customer Service.
imuto 20000mAh Compact Portable Charger Power Bank External Battery with Smart LED Digital Display Fast Charge Battery Pack for iPhone 13 Pro Max XR XS, iPad, Samsung Galaxy S21, Smart Phones and More
  • ✔ 20000mAh Capacity and Compact Size Backup Battery: Our cell phone battery charger is smaller than iPhone 6 Plus and powerful enough to charge iPhone 6 almost 8 times, iPad Air almost 1.7 times, Galaxy S6 almost 5.7 times and Macbook 2016 almost 1.2 times. For Nintendo Switch, please use USB-C 3.0 Cable to connect.
  • ✔ Digi-Power Display Technology: Shows remaining power in digital format. You always know when the usb battery charger is fully charged and how much power it's available. Our battery bank fits for almost all USB-powered devices with built-in LED flashlight for dark or low-light.
  • ✔ iM-Power Technology: The mobile charger packs come with two usb ports, both USB ports (5V/2.4A) detect your devices intelligently and deliver the faster charge to two devices at the same time.
  • ✔ Multiple Smart Protection System: We use high quality A-Class batteries together with multiple smart protection technology which could keep your devices safe from over-charging, over-voltage, over-current and short circuit.
  • ✔ What You Get: Taurus X4L Portable Battery Backup External Battery Pack Power Bank, Micro USB cable*1, User guide, our 24-month warranty
Anker Power Bank, USB-C Portable Charger 20000mAh with 20W Power Delivery, 525 Power Bank (PowerCore Essential 20K PD) for Phone 13/13 Pro / 13 Pro Max / 12/12 Pro, Samsung, iPad Pro, and More
  • The Anker Advantage: Join the 55 million+ powered by our leading technology.
  • Charge Fast Anywhere: The 20W USB-C port has enough power to charge an iPhone 12 to 50% in just 30 minutes. Also equipped with an 18W USB port if you need to charge a second device.
  • Ultra-High Cell Capacity: The massive 20,000mAh cell capacity provides 5 charges for iPhone 12, more than 4 full charges for Samsung Galaxy S10, and over 2 and a half charges for iPad mini 5.
  • Wide Compatibility: Charge virtually any mobile device including phones, tablets, and more.
  • What You Get: Anker 525 Power Bank (PowerCore 20K), USB-A to USB-C cable, USB-C to USB-C cable, travel pouch, welcome guide, and our worry-free 18-month warranty.
TOPK Power Bank, 20W USB C Fast Charging 20000mAh Portable Charger, PD3.0 QC4.0 Battery Pack With Digital Display PowerBank Compatible with iPhone 13 Pro Max, Samsung, Huawei, iPad, and More.
  • [20W Fast Charging] The TOPK power bank has two ports, including USB-A and USB-C. The USB-C output port is specially designed for the iPhone and offers a high-speed output of up to 20 W. In addition, USB A supports fast charging with 3A 18W, so that most mobile phones can be charged quickly.
  • [All-metal design] This external battery is made of all-metal housing that has good grip, super strong durability and scratch resistance. The amazing metal case not only looks fashionable and elegant, but also contributes to heat dissipation when charging.
  • [Intelligent LED Indicator] TOPK portable charger has excellent LED indicator lights that can accurately display the percentage of remaining battery status and current voltage during charging. When the mobile charger enters PD fast charge mode, the green PD text will be displayed on the screen. This allows you to clearly see whether it is being charged quickly.
  • [Safe Protection] All ports have full charging protection and the latest Topk charging technology. The built-in UL certified battery core and overcharge protection, short circuit protection, temperature control of the multi-protocol safety system offer you and your device more safety.
  • [General Compatibility] Topk power bank is fully compatible with all USB charging cables, including all iOS and Android smartphones, tablets, airpods, Bluetooth headphones, smart watches, other devices, etc.

Anthony Hart

Anthony Hart is the main author of the website argylljacobs.co.uk. He is passionate in Technology and Gadgets and you will find him reviewing and ranking multiple products. He is always on the lookout of new products and gadgets to review for argylljacobs.co.uk readers!

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