10 Best 20000 mAh Power Bank for 2024

Mobile Accessories

Introducing the 10 Best 20000 mAh Power Bank for 2023. In today's fast-paced world, staying connected has become a necessity. Whether you're traveling, working, or simply on the go, having a reliable power bank is essential to keep your devices charged. With advancements in technology, power banks have also evolved, offering larger capacities and faster charging speeds. In this article, we will explore the top 10 power banks with a capacity of 20000 mAh, ensuring you have ample power to keep your devices juiced up throughout the day. Exciting features and cutting-edge technologies make these power banks a must-have accessory for the year 2023.

 

The Anker Portable Charger is a powerful 20,000mAh battery pack with USB-C and PowerIQ technology. It offers ultra-high cell capacity, allowing for multiple charges for various devices. The advanced charging technology ensures an optimized charge, while the twin USB ports allow for simultaneous charging. With versatile recharging options and a compact design, this power bank is perfect for travel and on-the-go use. The package includes the power bank, Micro USB cable, warranty, and a welcome guide. With a customer rating of 4.7/5, this portable charger is highly recommended by users.

Key Features

  • Ultra-High Cell Capacity
  • Advanced Charging Technology
  • Simultaneous Charging
  • Versatile Recharging
  • What You Get
  • Specifications

  • Color: Black
  • Dimension: 6.22Lx2.93Wx0.76H
  • Size: 1 Count (Pack of 1)
  • Pros

  • Long battery life
  • Optimized charge for devices
  • Simultaneous charging of two devices
  • Versatile recharging options
  • Includes Micro USB cable and warranty
  • Cons

  • Cannot charge other devices with USB-C port
  • Long charging time with 5W charger
  • No Lightning cable or wall charger included
  •  

    The Anker Portable Charger is a reliable and powerful power bank that offers great value for money. With its high cell capacity, advanced charging technology, and versatile recharging options, it is a top choice for individuals who need to keep their devices powered on the go. While it has some minor drawbacks like the lack of included cables and slow charging with certain devices, its overall performance and durability make up for these limitations. Whether you’re traveling, commuting, or simply need a backup power source, the Anker Portable Charger is a convenient and reliable solution.

     

    The FOCHEW Portable Charger is a 2-pack 20000mAh power bank that offers ultra-slim and fast charging capabilities. With dual USB outputs, it allows you to charge up to 4 devices simultaneously. The built-in 20000mAh battery provides enough power to charge an iPhone 12 4.2 times, a Samsung Galaxy S9 3.8 times, a HUAWEI P30 3.1 times, and an iPad Mini 2 times. The charger features a grippy design that is easy to hold and is incredibly portable. Its built-in lithium polymer battery ensures safe charging without overheating or causing damage. Additionally, the charger is airline-approved, making it convenient for travel. The battery level can be easily monitored through the color of the switch, with different colors representing different remaining power. Overall, the FOCHEW Portable Charger is a reliable and efficient power bank for your mobile devices.

    Key Features

  • Two 20000m Ah external batteries for ample power supply
  • Dual 2.1A fast USB outputs for convenient recharging
  • Safe charging with reliable lithium polymer battery
  • LED indicators show remaining power
  • Compact and slim design for portability
  • Specifications

  • Color: Black+Black
  • Dimensions: 5.91Lx2.95Wx0.60H
  • Pros

  • Ample power supply for multiple device charging
  • Safe and reliable charging without overheating
  • Compact design for portability
  • Cons

  • Not compatible with Samsung fast charging
  • Slow recharge time
  •  

    The FOCHEW Portable Charger is a reliable and efficient power bank. With its ample power supply, fast USB outputs, and safe charging features, it ensures your devices stay powered on the go. Its compact design and grippy exterior make it easy to carry and use. However, it is important to note that it may not support Samsung fast charging and the recharge time is slower. Overall, if you are in need of a dependable power bank for your mobile devices, the FOCHEW Portable Charger is a great choice.

     

    The INIU Portable Charger is a high-quality power bank that offers fast charging and compatibility with various devices. With its upgraded 22.5W output and the latest PD 3.0 & QC 4+ technologies, it can charge your phone up to 61% in just 30 minutes. It also has the capability to charge iPads at full speed. The power bank features a USB-C In & Out port, allowing it to work with new iPhones, iPads, and upcoming USB-C devices. Its triple-port design enables you to charge three devices simultaneously, and it can even charge smaller devices like AirPods and fitness trackers. The INIU Portable Charger comes with a 20000mAh capacity, lasting for multiple days without needing to recharge. It is backed by a 3-year warranty and comes with a travel pouch for convenience.

    Key Features

  • High-grade materials with 3 years warranty
  • Charge phone up to 61% in 30 minutes
  • Charge i Pad Pro up to 34% in 30 minutes
  • USB-C In & Out port for new i Phones and i Pads
  • Simultaneously charge three devices
  • Compatible with phones, tablets, and smaller devices
  • Includes power bank, USB C cable, travel pouch
  • 30-day money back guarantee and lifetime technical support
  • Specifications

  • Color: Black
  • Dimension: 5.30Lx2.80Wx1.00H
  • Size: 1 Count (Pack of 1)
  • Pros

  • Fast charging capabilities
  • Can charge multiple devices simultaneously
  • Compatible with various devices
  • Long-lasting battery capacity
  • Comes with a 3-year warranty
  • Cons

  • Slightly bulky and heavy
  • Takes longer to charge up
  •  

    The INIU Portable Charger is a reliable and efficient power bank that offers fast charging and compatibility with a wide range of devices. Its ability to charge phones and iPads quickly, along with the convenience of charging multiple devices simultaneously, makes it a versatile option for users on the go. The power bank’s long-lasting battery capacity and excellent warranty provide peace of mind. Although it may be slightly bulky and take longer to charge, its performance and features outweigh these minor drawbacks. Overall, the INIU Portable Charger is a highly recommended product for those seeking a reliable and powerful power bank.

     

    The Anker Portable Charger is a powerful and reliable USB-C power bank with a cell capacity of 20,000mAh. It features a 20W USB-C port that can charge an iPhone 12 to 50% in just 30 minutes, and an 18W USB port for charging a second device. With its ultra-high cell capacity, it can provide 5 charges for iPhone 12, over 4 full charges for Samsung Galaxy S10, and more than 2 and a half charges for iPad mini 5. This power bank is compatible with various mobile devices including phones and tablets. It comes with a USB-A to USB-C cable, USB-C to USB-C cable, travel pouch, and an 18-month warranty. The Anker Portable Charger has received great reviews for its fast charging capabilities, durability, and reliability.

    Key Features

  • The Anker Advantage: Join the 55 million+ powered by our leading technology.
  • Charge Fast Anywhere: The 20W USB-C port charges i Phone 12 to 50% in 30 minutes.
  • Ultra-High Cell Capacity: Provides 5 charges for i Phone 12 and over 4 full charges for Samsung Galaxy S10.
  • Wide Compatibility: Charge virtually any mobile device including phones, tablets, and more.
  • Specifications

  • Color: Black
  • Dimension: 6.22Lx2.91Wx0.76H
  • Size: 1 Count (Pack of 1)
  • Pros

  • Fast charging capabilities
  • Massive cell capacity
  • Wide compatibility with mobile devices
  • Includes USB-A to USB-C and USB-C to USB-C cables
  • Cons

  • May scratch easily
  • Does not come with a case or sleeve
  •  

    The Anker Portable Charger is a must-have for anyone in need of a reliable and powerful power bank. With its fast charging capabilities and massive cell capacity, it ensures that your devices stay powered up wherever you go. The wide compatibility allows you to charge various mobile devices, making it versatile for daily use or travel. While it may scratch easily, the durability and reliability of Anker products are still evident. It would have been even better if it came with a case or sleeve for added protection. Overall, the Anker Portable Charger proves to be a top-notch choice in the market of power banks.

     

    The AsperX Portable Charger Power Bank is a high-capacity external battery pack that offers fast charging for various devices. With a 20000mAh capacity and 15W output, it can charge your phone from 0 to 78% in just 1 hour, making it 2X faster than traditional chargers. The power bank features a USB-C input and output, allowing you to conveniently charge both the portable charger and your devices. It can charge up to three devices simultaneously and is compatible with iPhone, Samsung, Pixel, LG, Nexus, iPad, and other small USB charging devices. The power bank also prioritizes safety with its built-in protection system against overheating, over surge, over short-circuit, and overcharging. It comes with a USB-A cable, USB-C cable, and offers a 30-day money-back guarantee and a 24-month warranty.

    Key Features

  • 2023 Newest Model 20000m Ah 15W Fast Charging
  • USB C Input & Output
  • Charge 3 Devices at Once
  • Superior Safety & Battery Health
  • Vast Compatibility
  • What You Get: Asper X 15000m Ah fast charge portable charger 1, USB C cable*1, USB A cable*1, user manual1
  • Specifications

  • Color: Black
  • Dimension: 5.31Lx2.56Wx1.02H
  • Size: 15W
  • Pros

  • Fast charging
  • Dual USB ports
  • High capacity
  • Compact size
  • Multiple device compatibility
  • Safety features
  • 30-day money-back guarantee
  • 24-month warranty
  • Cons

  • Heavy for travel
  • Takes time to recharge
  •  

    The AsperX Portable Charger Power Bank is a reliable and efficient solution for keeping your devices charged on the go. With its fast charging capabilities, large capacity, and multiple device compatibility, it is a versatile choice. The inclusion of safety features and the convenience of USB-C input and output make it a user-friendly option. While it may be slightly heavy for travel and takes time to recharge, these drawbacks are outweighed by its overall performance. With a solid score of 8, this power bank offers great value for its price.

     

    The imuto 20000mah Power Bank is a high-capacity portable charger that offers fast charging capabilities. With its 20000mAh battery capacity, it can provide 5 charges for an iPhone 14, over 4 complete charges for a Samsung Galaxy S10, and over 2.5 charges for an iPad mini 5. It features the latest PD3.0 and QC4.0 fast charging technology, allowing you to charge your phone up to 55% in just 30 minutes. The power bank has multiple charging ports, including a USB-C input and output port, a USB-A output port, and a micro USB input port, enabling you to charge two devices simultaneously. The unique smart digital display technology shows the remaining battery in a digital format, and it also includes a built-in LED flashlight. With its wide compatibility and excellent battery life, the imuto Power Bank is a reliable device for charging your mobile devices on the go.

    Key Features

  • High Battery Capacity
  • Fast Charging with PD3.0 and QC4.0
  • Multiple Charging Ports
  • Wide Compatibility
  • Smart Digital Display Technology
  • Built-in LED Flashlight
  • Specifications

  • Color: White
  • Dimension: 6.02Lx2.87Wx1.10H
  • Pros

  • High battery capacity
  • Fast charging capabilities
  • Can charge two devices simultaneously
  • Smart digital display for battery monitoring
  • Built-in LED flashlight
  • Cons

  • Bulkier than expected
  • Average charging speed
  • Limited color options
  • Slow recharging process
  •  

    The imuto 20000mah Power Bank is a reliable and powerful portable charger that offers excellent battery capacity and fast charging capabilities. It is perfect for traveling or emergency situations, thanks to its wide compatibility and built-in LED flashlight. While it is bulkier than expected and has average charging speed, its high battery capacity and ability to charge two devices simultaneously make up for these minor drawbacks.

     

    The POIYTL Portable Power Bank 100W 20000mAh is a powerful and versatile charger that is perfect for those who are always on the go. With a capacity of 20,000mAh and fast charging speed of 100W, this power bank can charge your devices quickly and efficiently. It is equipped with a bi-directional USB-C port that can be used for both input and output, allowing you to charge your MacBook pro 16-inch to 80% in as little as 60 minutes. The power bank is also UL, CE, RoHS, and FCC certified, ensuring superb safety and universal compatibility with most USB C and USB A powered devices. It features a clear LCD display that shows the output and input power, making it easy to monitor. The power bank comes with a USB-C to USB-C cable, an instruction manual, and a 24-month manufacturer's warranty. It is a great value for the price and a reliable companion for business and travel.

    Key Features

  • 100W Super Fast Charging
  • Large Capacity of 20,000m Ah
  • Superb Safety and Universal Compatibility
  • LCD HD Display
  • Comes with USB-C to USB-C cable and 24-month warranty
  • Specifications

  • Color: Mecha-Style
  • Dimension: 6.00Lx2.00Wx2.00H
  • Pros

  • Fast charging for various devices
  • Large capacity for multiple charges
  • Clear LCD display for easy monitoring
  • Certified for safety
  • Compatible with most USB C and USB A devices
  • Cons

  • A bit bulky
  • Plastic case could be more durable
  • Speed drops during charging at higher battery levels
  •  

    The POIYTL Portable Power Bank 100W 20000mAh is an excellent choice for those who need a powerful and versatile charger. It provides fast charging for various devices and has a large capacity that can handle multiple charges. The clear LCD display makes it easy to monitor the power bank’s performance. It is certified for safety and compatible with most USB C and USB A devices. While the power bank is a bit bulky and the plastic case could be more durable, these minor drawbacks do not outweigh its overall performance and value. Whether you’re on a business trip or traveling, this power bank is a reliable companion that will keep your devices powered up.

     

    The Baseus Power Bank is a 65W high power portable charger designed for laptops, smartphones, and other devices. With a colossal capacity of 20,000mAh, it can charge your iPhone 13 Pro Max 2.5 times, Galaxy S20 Ultra 2.5 times, and MacBook Pro 13'' 0.9 times. Equipped with multiple ports, including a 65W PD USB-C port and two 30W QC USB-A ports, it allows simultaneous charging of your laptop and phone. The power bank features an ingenious design with a numerical LED charge indicator and an aluminum alloy housing for heat dissipation. It supports advanced charging protocols like PD3.0, QC4.0, AFC, SCP, and FCP, ensuring universal compatibility with a wide range of devices. With a 60W recharge using a PD charging adapter, it can fully recharge in just 2 hours. The Baseus Power Bank is the perfect companion for travel and business trips.

    Key Features

  • 65W high power output
  • 20,000m Ah capacity
  • Simultaneous 3-device charging
  • Numerical LED charge indicator
  • Aluminum alloy housing for heat dissipation
  • Universal compatibility
  • Specifications

  • Color: Blue
  • Dimension: 6.06Lx2.55Wx1.06H
  • Pros

  • High power output for charging laptops
  • Large capacity for multiple charges
  • Simultaneous charging of multiple devices
  • Convenient numerical LED charge indicator
  • Universal compatibility with advanced charging protocols
  • Fast recharge in just 2 hours
  • Cons

  • May affect charging speed with simultaneous charging
  • Some reported issues with USB-C port
  • Bulky and heavy design
  •  

    The Baseus Power Bank is a reliable and powerful portable charger that is perfect for travelers and tech enthusiasts. With its high power output and large capacity, it can quickly charge laptops, smartphones, and other devices. The simultaneous charging feature and universal compatibility make it a versatile option for charging multiple devices at once. The numerical LED charge indicator and aluminum alloy housing add convenience and safety. However, the product may have some limitations, such as potential charging speed reduction during simultaneous charging and reported issues with the USB-C port. Overall, the Baseus Power Bank offers a convenient and efficient charging solution for those on the go.

     

    The Baseus Laptop Power Bank is a powerful and portable charging solution for laptops, smartphones, and other devices. With its 100W Power Delivery, it can fast charge your MacBook Pro 16-inch up to 36% in just 30 minutes. The slim design makes it easy to carry in your bag, and the LED status display allows you to easily track charging speed and time. It supports PD 3.0, QC 4.0, SCP, and FCP fast charging protocols, ensuring compatibility with a wide range of devices. The built-in chip with Baseus Power Split technology provides protection against overheating, short-circuiting, and over discharging. Overall, the Baseus Laptop Power Bank is a reliable and efficient charging solution for all your mobile devices.

    Key Features

  • 100W Power Delivery with 2 PD USB-C ports
  • Thin and lightweight design
  • Two-way fast charging
  • LED status display
  • Supports multiple fast charging protocols
  • Specifications

  • Color: Black
  • Dimension: 6.37Lx5.27Wx0.70H
  • Size: 1 Count (Pack of 1)
  • Pros

  • Fast charging for Mac Book Pro
  • Slim and lightweight design
  • LED status display
  • Supports multiple fast charging protocols
  • Cons

  • Limited charging capacity for Mac Book
  • Not the full advertised capacity
  • May struggle with simultaneous charging of multiple devices
  •  

    The Baseus Laptop Power Bank is a reliable and efficient charging solution for laptops and other devices. It delivers fast charging for MacBook Pro and supports multiple fast charging protocols. The slim and lightweight design makes it easy to carry in your bag, and the LED status display allows you to easily track charging speed and time. While it may have some limitations in terms of charging capacity for MacBook and simultaneous charging of multiple devices, it still offers great value for its price. With its built-in chip for protection against overheating and other risks, you can trust the Baseus Laptop Power Bank to keep your devices charged and safe.

     

    The ROMOSS Portable Charger is a powerful and versatile power bank that offers fast charging for your devices. With a capacity of 20000mAh, it can provide 2 full charges for the Nintendo Switch, 8.4 charges for the iPhone 8, 4.8 charges for the Samsung Galaxy S9, or 1.8 charges for the iPad Pro. It supports 30W fast charging for the iPhone 13 Pro Max, allowing you to charge it from 0% to 60% in just 30 minutes. The power bank features 3 outputs (Micro-USB, Type-C, and Lightning) and 3 inputs, providing high convenience for recharging. It also has a comprehensive power display that shows battery percentage, charging voltage, and charging current. With its huge capacity and fast charging capabilities, this power bank is perfect for business, travel, and everyday use.

    Key Features

  • Comprehensive power display with LED digital indicator
  • 20000m Ah capacity for multiple device charges
  • 30W fast charging for i Phone 13 Pro Max
  • 3 outputs and 3 inputs for high convenience
  • Compatible with most USB devices
  • Specifications

  • Color: White
  • Dimension: 6.57Lx3.17Wx0.93H
  • Size: SW20S Pro
  • Pros

  • Powerful and versatile
  • Fast charging capabilities
  • Multiple output and input options
  • Comprehensive power display
  • Compatible with most USB devices
  • Cons

  • No charging cable included
  • Percentage reading not accurate
  • Lower than expected battery capacity
  •  

    The ROMOSS Portable Charger is an excellent power bank with its huge capacity, fast charging capabilities, and multiple output and input options. It is perfect for anyone who needs to charge their devices on the go, whether it’s for business, travel, or everyday use. The comprehensive power display adds convenience and the build quality is solid. While it would have been nice if a charging cable was included and the percentage reading was more accurate, these are minor drawbacks compared to its overall performance. With its affordable price point, the ROMOSS Portable Charger offers great value for money and should be considered by anyone in need of a reliable and powerful power bank.

     

    BUYER'S GUIDE: 20000 mAh Power Bank

    Are you tired of constantly running out of battery on your devices? A 20000 mAh power bank might just be the solution you've been looking for. With its high capacity, compact size, and fast charging capabilities, this portable charger can keep your gadgets juiced up wherever you go. To help you make an informed purchase, here's a comprehensive buyer's guide:

    Key Considerations:

    1. Capacity: Look for a power bank with a capacity of at least 20000 mAh. This high capacity ensures that you can charge your devices multiple times before needing to recharge the power bank itself.
    2. Portability: Opt for a power bank that is lightweight and compact, making it easy to carry in your bag or pocket. Look for sleek designs and a slim profile to ensure it doesn't weigh you down.
    3. Number of Ports: Consider the number of devices you need to charge simultaneously. Look for a power bank with multiple output ports to charge multiple devices at once, saving you time and hassle.
    4. Output Power: Ensure that the power bank provides sufficient output power to charge your devices quickly. Look for power banks with fast-charging technologies such as Quick Charge or Power Delivery for efficient charging.
    5. Input Power: Check the input power requirements of the power bank. Ensure that you have a compatible charger to recharge the power bank quickly.
    6. Safety Features: Look for power banks with built-in safety features like over-charge protection, short-circuit protection, and temperature control to ensure the safety of your devices during the charging process.
    7. Additional Features: Consider additional features such as an LED display to indicate battery level, a flashlight function, or even wireless charging capabilities for added convenience.

    Advantages of Owning a 20000 mAh Power Bank:

    • Extensive Charging Capacity: With a 20000 mAh power bank, you'll have the ability to charge your smartphone, tablet, smartwatch, or other devices multiple times before needing to recharge the power bank itself.
    • Portable and Convenient: Carry this compact and lightweight power bank in your pocket, bag, or backpack, ensuring you have a power source available wherever you go.
    • Compatibility: A 20000 mAh power bank is widely compatible with various devices, including smartphones, tablets, Bluetooth speakers, digital cameras, and more.
    • Ideal for Travel: Whether you're on a long flight, exploring the outdoors, or attending a festival, a 20000 mAh power bank can keep your devices powered on without needing access to a power outlet.
    • Emergency Power Source: Be prepared for unexpected power outages or emergencies by having a reliable backup power source with a high-capacity power bank.

     

    FAQ (Frequently Asked Questions):

    Q: How many times can a 20000 mAh power bank charge my smartphone?
    A: The number of charges depends on various factors such as your phone’s battery capacity and efficiency, but on average, a 20000 mAh power bank can recharge a smartphone around 4 to 7 times.

    Q: How long does it take to fully charge a 20000 mAh power bank?
    A: The charging time depends on the power input of the power bank and the charging device. Using a charger with higher wattage will result in faster charging times. On average, it takes around 6 to 8 hours to fully charge a 20000 mAh power bank.

    Q: Can I charge multiple devices simultaneously with a 20000 mAh power bank?
    A: Yes! Most 20000 mAh power banks come equipped with multiple output ports, allowing you to charge multiple devices simultaneously. Just ensure that the combined power requirements of the devices do not exceed the power bank’s maximum output.

    Q: Are 20000 mAh power banks allowed on flights?
    A: Yes, most airlines permit 20000 mAh power banks in carry-on luggage. However, it’s essential to check with the airline’s guidelines and restrictions beforehand, as rules may vary.

    Q: How long can a fully charged 20000 mAh power bank retain its charge?
    A: The charging capacity retention of a power bank depends on various factors, including the battery technology used. Typically, a 20000 mAh power bank can retain its charge for several months but may slowly discharge over time. It’s advisable to recharge it every 3 to 6 months to maintain optimal performance.