We’ve spent hundreds of hours researching and comparing 20000 Mah Powerbank of all specifications to find the best one for any need (or budget). Here are the results.

The Best 20000 Mah Powerbank of 2020 – Top Rated & Reviewed

2,612 Reviews Scanned

Rank No. #1
Anker Portable Charger, 325 Power Bank (PowerCore Essential 20K) 20000mAh Battery Pack with High-Speed PowerIQ Technology and USB-C (Input Only) for iPhone, Samsung Galaxy, and More
  • Ultra-High Cell Capacity: The massive 20,000mAh cell capacity provides more than 5 charges for iPhone XS, almost 5 full charges for Samsung Galaxy S10, more than 4 charges for iPhone 11, and over 2 and a half charges for iPad mini 5.
  • Advanced Charging Technology: Anker's exclusive PowerIQ and VoltageBoost technology combine to deliver an optimized charge to your devices, while the trickle-charging mode is the best way to charge low-power accessories.
  • Simultaneous Charging: Twin USB ports allow you to charge two devices at the same time. The USB-C port cannot charge other devices.
  • Versatile Recharging: With both a USB-C and Micro USB input port, you have more options over how you recharge. Recharging PowerCore with a 10W charger will take approximately 10.5 hours, while recharging with a 5W charger will take approximately 20 hours.
  • What You Get: Anker PowerCore Essential 20000, Micro USB cable, travel pouch, welcome guide, lifetime* $25,000 connected equipment warranty, and friendly customer service. (USB-C cable, Lightning cable, and wall charger not included)
Rank No. #2
INIU Portable Charger, 22.5W PD3.0 QC4.0 Fast Charging LED Display 20000mAh Power Bank, 3 Outputs Flashlight USB C Phone Battery Pack Compatible with iPhone 13 12 11 Samsung S20 Google LG iPad Tablet
  • ✅【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.
  • ✅【3X Ultra-Fast Charging】The newest 22.5W Power Delivery 3.0 USB C port, plus dual QC 4.0+ USB outputs, to revolutionize your experience of speed, especially bring the latest iPhones from 0 to 52% just in 25mins, 3X faster than regular 1A chargers.
  • ✅【Know-Before-You-Go】Unlike vague blinking lights, the digital display shows you the exact percentage of power left and when to recharge. Let you know before you go.
  • ✅【Even Wider Compatibility】Unlike the market’s most power banks incapable of charging low-current accessories, INIU PD3.0 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.
  • ✅【7 Days of Safe Power】Enjoy a full week’s worth of charging capacity with the airline-approved 20000mAh power bank.
Rank No. #3
Omni 20+ 20000mah Laptop Power Bank | AC/DC/USB-C/Wireless Battery Backup for Laptops:MacBook Pro/iPad Pro/Dell/Surface | Cameras:Canon/Nikon/DSLR/DJI Drones | Smart Devices:iPhone/Samsung
  • 【Power Hub For All Your Smart Devices】From laptops to cameras, drones, and smartphones, Omnicharge can keep all your devices charged up. Compact and functional.
  • 【Extensive Features】All-In-One power solution with high powered AC, USB-C PD for laptops, Wireless charging, QC 3.0 USB-A, Adjustable DC power, pass-through charging and solar charging.
  • 【High Powered, Fast Charging】70wh (20000mah) battery capacity. Charge safe and fast with high charging efficiency. 100 watt AC and DC, 60 watt USB-C PD, powers most smart devices including MacBook Pro and Surface Pro.
  • 【Carry Less, Power More】Carry one cable to charge your laptop using USB-C or DC output while charging your Qi-compatible smartphone wirelessly, leave your bulky chargers at home
  • 【Accessories】The Omni 20+ includes a USB charging cable and a USB-C charging cable. NOT INCLUDED: Fast charger and DC cables for DJI Drones, Surface, and other PC laptops sold separately.
Rank No. #4
Anker Portable Charger, USB-C Power Bank 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.
Rank No. #5
Keymox 20000mAh Portable Charger, One of The Smallest and Lightest 20000mAh Power Bank, Ultra-Compact Battery Pack, Compatible with iPhone, Samsung, iPad and More, Black (Model:PW-216A)
  • Ultra-High Capacity: The massive 20,000mAh capacity provides more than 4 charges for iPhone 11, almost 3 charges for Samsung Note 10 and over 1.5 charges for iPad Pro.
  • Compact Size: Much smaller than current market 20000mAh power bank, convenient for travel.
  • Smart charging technology --- to deliver an optimized charge to your devices, up to 2.1A.
  • Simultaneous Charging --- to charge two devices at the same time with max output 2.1A.
  • Supreme Safety Protection System --- Built-in Exclusive Keymox Safety Protection System ensures the safety of you and your devices.
Rank No. #6
INIU Portable Charger, 18W PD3.0 QC4.0 Fast Charging USB C 20000mAh Compact Power Bank, 3-Outputs Battery Pack Compatible with iPhone 13 12 11 X 8 Samsung S20 Google LG iPad Tablet etc. [2022 Version]
  • ✅【From INIU — the SAFE Fast Charge Pro】 Experience the safest charging with over 38 million global users.
  • ✅【3X Ultra-Fast Charging】The newest 18W Power Delivery 3.0 USB C port, plus QC 4.0+ USB output, to revolutionize your experience of speed, especially bring your iPhone 13 from 0 to 50% just in 25mins, 3X faster than regular 1A chargers.
  • ✅【Even Wider Compatibility】Unlike the market’s most power banks incapable of charging low-current accessories, INIU PD3.0 Super portable charger can work with not only all the phones, tablets but your smaller devices like AirPods, Bluetooth headphones, fitness trackers, smartwatches, etc.
  • ✅【The Most Compact 20000mAh】Built in Aviation-grade high-energy-density battery pack, it sizes 5.3*2.7*1.0in and weighs 12.3oz, 20% smaller than most 20000mAh portable chargers available today.
  • ✅【7 Days of Safe Power】Always ready to empower your journey and back you up for multiple charges in a whole week with this airline-approved 20000mAh power bank.
Rank No. #7
iWALK Magnetic Wireless Power Bank, 20000mah Portable Charger with 15W Wireless Charging and 20W USB-C PD, Smart LED & Kickstand, Compatible with iPhone 13/12/Pro/Pro Max/Mini(Not on Earbuds)
  • Strong Magnetism: Wireless portable charger features powerful magnetism, holing your phone tighly without slip off. Do not use to charge earbuds.
  • Phone Stand: Included phone stand is a plus. It is designed to lift wireless power bank up. Attach your phone on it vertical or horizontal is your preference.
  • 20W PD Fast Charging: The powerbank 20000mah fast charging refills iPhone 12 to 60% within 30 minutes. It can charge 4 devices simultaneously and reach a total 22.5W output. Full charging this cell phone replacement batteries with 18PD charger takes 6H.
  • Ultra-High Cell Capacity: The massive 20,000mAh cell capacity provides 4 charges for iPhone 12, more than 3 full charges for Samsung Galaxy S21, and over 2 and a half charges for iPad mini 5.
  • Wide Compatibility: Portable phone charger deliberately comes out for iPhone 12 series, featuring both fast wireless & wired charging; simultaneously, it has 2 QC & 1 PD output, able to charge Samsung, Huawei and other Android phones at high speed.
Rank No. #8
Anker PowerCore 20,100mAh Portable Charger Ultra High Capacity Power Bank with 4.8A Output and PowerIQ Technology, External Battery Pack for iPhone, iPad & Samsung Galaxy & More (Black)
  • The Anker Advantage:Join the 50 million+ powered by our leading technology.
  • Ultra-High Capacity:Weighs as little as a can of soup (12.5 oz) yet charges the 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 Portable Charger, Micro USB cable, travel pouch, welcome guide, Lightning cable for iPhone / iPad sold separately.
Rank No. #9
Portable Charger Power Bank 20000mAh Fast Charging USB C Phone Charger with Built in Cable, External Battery Pack Compatible with iPhone, Samsung, Tablet, Android etc
  • ✔ RETRO DESIGN WITH POWERFUL CAPACITY: Cover with retro camera design for elegant and gorgeous, the 20000mAh power bank can provide about 3-4 charges for your phones, enjoy your trip without worry about the power. SIZE: 5.1'' x 2.9'' x 1.3''
  • ✔ FAST CHARGING: ​The portable charger with 2 USB ports in combination with 5V / 4.5A and 5V / 2A output will provide your device with fast enough power. Built in 2 cables compatible with iphone and USB-C Samsung, LG, etc, no need to carry charging cables for your phones anymore.
  • ✔ SUPER COMPATIBILITY: The battery charger is suitable for a wide range of electronic devices which have USB port, universal compatibility with iphone (ipad and airpods) and Android smart phones, tablets, mp3/mp4 players and other USB-charged devices.
  • ✔ INTELLIGENT SAFETY PROTECTION: High quality Li-polymer cell with multi-protect system microchips. Supports over-charged, over-discharged, over-voltage, over-current and short circuit protection to add safety guarantee to your equipment.
  • ✔ PERFECT GIFT: Gift box packing, it’s the best gift for your friends or family. Package included: 1 * 20000mAh portable charger, 1 * USB charging cable, 1 * user manual. 👉 We provide 12-months worry-free warranty. Contact us in case of any problems.👈
SaleRank No. #10
Portable Charger, 2-Pack 20000mAh Power Bank Ultra Slim Fast Charging External Battery Pack with Dual USB Outputs Compatible with iPhone 13/12 Pro/12/11/XR/X, Samsung S20, iPad Tablet etc.
  • ✅【Portable Charger 20000mAh* 2 Pack 】Two 20000mAh external batteries, no worry about the equipment running out of power. Built-in 20000mAh battery is enough to charge iPhone 12 4.2 times, Samsung Galaxy S9 3.8 times, HUAWEI P30 3.1 times and iPad mini 2 times; not only can be used for personal portable charging, but also can be shared with others.
  • ✅【Ultra-rapid 2X2-Devices Charging】Each portable charger features dual 2.1A fast USB outputs, you can recharge your power bank more convenient using the included Micro USB cable.[ 2 pack ] dual outputs portable charger allow you to charge 4 devices simultaneously.Scroll, snap and stream more without worrying about low battery.
  • ✅【Safety Guaranteed】Built in reliable lithium polymer battery helps to charge your phone safely and prevent over-voltage, over-charging, over-current, or short circuit, etc. Won’t get too hot or cause a lot of heat on the battery of your phone. These battery packs are also airline-approved so you can travel anywhere with them.
  • ✅【Unique LED indicator Shows Remaining Power】It can clearly see the battery level by the color of the switch: different colors representing different remaining power.✦Red light:0%-25%;Green light:26%-50%; Blue light:51%-75%; White light:76%-100%.✦
  • ✅【Small & Slim】Grippy design is easy to hold, Easily slip the ultra-slim 20000mAh into your bag without even adding any bulk, and you’ll have massive power in handy, it is incredibly portable.

Last update on 2022-01-04 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated 20000 Mah Powerbank to Buy Now

 

Why You Should Buy Best 20000 Mah Powerbank from Amazon

Amazon is not the only store that sell 20000 Mah Powerbank. However, there are several compelling reasons why you should buy 20000 Mah Powerbank from them, with the suitable Price and Reviews. Here are five:

(1) Amazon Makes Shopping 20000 Mah Powerbank Personal

Amazon is very good at making recommendations of 20000 Mah Powerbank based on your search history. From time to time, they will even show you discounted prices on 20000 Mah Powerbank that you previously expressed an interest in. They also make your shopping experience a little easier by showing you items that you recently viewed.

(2) Amazon Checkout is Easy

Amazon checkout is easy, especially if you already have an account. You can add 20000 Mah Powerbank to your cart and go through a multi-step checkout process, or you can buy 20000 Mah Powerbank with only one click by using your stored credit card information.

(3) Amazon Has Lots of Social Proof

Before you make a purchase for 20000 Mah Powerbank, you want to know that the company you are dealing with is legitimate and that others trust the company enough to make a purchase. You may also like to read what others are saying about the product in the review section. Amazon does all of this quite well.

(4) Amazon Has Great 20000 Mah Powerbank Images and Descriptions

In addition to still images, many of Amazon’s 20000 Mah Powerbank have videos. This makes it easier for you to see exactly what you are purchasing. Amazon’s 20000 Mah Powerbank descriptions are also quite good. In many cases, Amazon repeats the descriptions furnished by the manufacturer. In other cases, they write their own.

(5) The Amazon Site is Easy to Navigate

Navigating the Amazon site is easy. Even though the site is huge, you will not feel overwhelmed when searching for 20000 Mah Powerbank. This is partly due to Amazon’s filtering process. You can search for items by brand, price or user rating. You can also search for specific features.

How to Choose the Best 20000 Mah Powerbank (with Price and Reviews)

Although most 20000 Mah Powerbank are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an 20000 Mah Powerbank:

(1) 20000 Mah Powerbank Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an 20000 Mah Powerbank should be in line with its value. You can compare 20000 Mah Powerbank reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular 20000 Mah Powerbank is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

20000 Mah Powerbank materials differ from manufacturer to manufacturer. Consider where and how you will be using your 20000 Mah Powerbank to determine if one material would be better than another.

(4) Size

Like most products, 20000 Mah Powerbanks come in various sizes. Do you need a large 20000 Mah Powerbankor a small one? Think about where you will use your 20000 Mah Powerbank in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

20000 Mah Powerbanks also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your 20000 Mah Powerbank would have any effect on the efficiency of its operation.

(6) Durability

The durability of an 20000 Mah Powerbank will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of 20000 Mah Powerbank you purchase may affect its durability.

(7) Storage

Will you need to store your 20000 Mah Powerbank? If so, you should consider the size and weight of the 20000 Mah Powerbankto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your 20000 Mah Powerbank will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an 20000 Mah Powerbank. It is hard to know exactly how an 20000 Mah Powerbank will perform until you get it home and try it out.

(9) Warranty

Make sure the 20000 Mah Powerbank you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.