10 Best 20000mAh Power Bank 2024 – Best Portable Charging Devices

20000mah Power Bank Power Bank

At FKGoldStandard, we’ve all experienced that sinking feeling when our device’s battery icon turns red during crucial moments outside the home. That’s why we understand the importance of a reliable power bank, especially one with a 20000mAh capacity.

Venturing into the market for the perfect portable charger might seem simple, but the vast array of options can be overwhelming. If you’re seeking an affordable yet top-notch 20000mAh power bank, you’re in the right spot. We at FKGoldStandard have meticulously tested and reviewed a plethora of charging options to guide you through this maze.

We recognize the dilemma faced by many when bombarded with various capacities. Drawing from our own experiences, like that time our team was at a conference and our devices were running on fumes, we’ve found the 20000mAh range to be a lifesaver.

It’s versatile enough to juice up everything from your smartphone and tablet to your gaming console and even laptops. Trust our reviews to help you make an informed choice.

1. Baseus 65W

Baseus 65W

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We love this product! With its sleek and compact design, it proved to be not only aesthetically pleasing but also highly functional. It is equipped with three output ports, allowing you to charge multiple devices simultaneously.

We’ve tested it and it works perfectly with MacBook Pro, Chromebook, Dell XPS 13 and 15, Steam Deck, and Rog Ally. When it comes to phones, it can be used with iPhone 12/11/XR/XS/8, Galaxy S21/S21 Ultra, S10/S9+/S8+, LG G8/G7, and more.


  1. One 65W PD USB-C port and two 30W QC USB-A port 
  2. Digital LED Display
  3. Substantial 65W PD output 
  4. 18-month warranty
  • Large battery capacity 
  • Versatility in charging
  • Rapid charging 
  • Sleek and portable design 
  • Bulky 
  • Multiple devices charging simultaneously might reduce the charging speed for each device.
  • The digital display might consume additional battery power


2. Imuto power bank with LED Flashlight

Imuto power bank with LED Flashlight

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Imuto 20000mah provides safe and secure charging. It charges all devices like laptops, mobile, iPad. If you are looking for a fast and safe device, we believe this is a good choice for you.

It will be available in black and gold, white and red, or 5.1 x 3.07 x 1.18 inches in size.



  • It built up multi-smart functionality with smart protection.
  • Has the capacity to charge two devices at a time.
  • Show battery power in a digital format with uniqueness.
  • Easy to handle and take it anywhere.
  • The compact design is smaller than the iPhone 6.
  • The screen shows the remaining power.
  • Super powerful.
  • Good value for money.
  • Quite heavy.
  • Not cool.


3. RAV Device with AC Outlet 30W

RAV Power Bank with AC Outlet 30W

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The RAV power bank is a multifunctional device, doubling as a USB hub and a charger for a wide range of devices. It’s durable, with a 30W Power Delivery 3.0 USB-C input/output port and an 18W Quick Charge 3.0 USB-A output port.

The AC outlet is suitable for devices rated 30W or less. It recharges in just three hours.


Also, you can charge your devices in three different ways:

  • Through the AC outlet.
  • The 18W Quick Charge 3.0 USB-A output port.
  • Either through the bidirectional 30W PD 3.0 USB-C input/output port.


Some other features are:

  • It’s not a heavyweight it’s just a 1.46 you can easily carry anywhere.
  • RAV is a durable and portable power bank with a 60cm USB-C to USB-C cable.
  • The building and durability are too cool.
  • It is made of premium plastic that offers protection against scratches and drops.
  • It takes three hours to recharge.
  • 30W max AC outlet.
  • High capacity.
  • Fast charging through all ports.
  • The adapter is not included.


4. Xiaomi 20000mah 

Xiaomi 20000mah Power Bank

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If you are an outdoor lover like us at FKGoldStandard and want a reliable power source with you in a remote area, then the Xiaomi 20000mah is the best power source for charging your devices at the worst time.

This device is specially designed for outdoor activities, it is built with a high-quality compact design. Also, it has fast-charging power.


Some important features are:

  • Built with Durable and strong solid design.
  • Bright flashlight large compact design.
  • High capacity charging.
  • Comes with smart USB ports.
  • Best for multi-devices.
  • Two types of input or output ports.
  • Quite heavy than others.


5. Water-Proof Soaraise Solar Device

Water-Proof Soaraise Solar Power Bank

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Solar charger Power Bank 20000mah can be a robust companion for any adventure lover. It’s designed to be used outside, making it great for a hiking trip or an environment with limited use of electricity. Its large capacity allows you to charge your smartphone more than 10 times.

So you’ll never have to experience a dead battery again. It’s also a great way to be more environmentally friendly. The Soaraise 25000mah is compatible with all 5V devices, Including an iPhone, iPad, Samsung, Sony, Huawei, HTC, LG, Nexus, tablets, cameras, GPS, and more. Solove a5 power bank 20000mah flexible charger.


Some important features are:

  • The best quality is it can be charged anytime anywhere.
  • Soaraise has solar-charging technology and a high-power capacity.
  • Its flexible design allows you to unfold the solar plates to rest on your back while you’re walking.
  • Solar charging technology
  • The flexible design of the solar power bank.
  • Built with waterproof quality.
  • Recharges slowly.
  • The solar power bank is quite heavy.


6. Anker 20000mah 

Anker 20000mah Power Bank and Portable Chargers

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Anker Power core speed 20000mAh power bank can charge in minimum time. The product comes with ultra-high speed and capacity. It has a USB port that makes it multifunctional, You can easily charge laptops, smartphones, and headphones through it.

18w high-speed charging port makes it more intelligently efficient. You can easily charge your devices in your busy time no matter where you are. High-speed charging efficiently charges your multi-devices.

You can easily put the portable charger in your pocket during traveling and other work. It intelligently works with ultra-high speed and advanced safety options.


Some important features are:

  • Build up ultra-high capacity and fast speed.
  • The  USB-C  supported both the output and input ports.
  • Provide optimized charging.
  • Charge multiple devices like speakers, Bluetooth earphones, and headphones.
  • Easily put in pockets when you are traveling.
  • Slim and smart.
  • Ability to charge 4 devices at a time.
  • Fast charging
  • High capacity.
  • Slightly heavy.


7. INIU Power Bank 20000mah

INIU Power Bank 20000mah

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I believe that the INIU 20000mah is the most famous Power Bank. It is an upgraded model that comes with the latest technologies. It is being used worldwide and we can guarantee you’ll be satisfied. This new upgraded model comes with a type C port.

The most interesting features are the 20W PD3.0 QC4.0 Fast Charging LED Display. Like Jackery’s 20000mah power bank, INIU portable chargers led display 20000mah power charger also has an ultra-fast charging feature in minimum time.


Some important features are:

  • INIU portable chargers have high-speed with dual extended output battery pack and a backup flashlight.
  • Ultra-slim Dual 3A USB output and dual input port type C.
  • Micro USB cable 3A QC fast charging.
  • 2 USB ports.
  • Fast charging.
  • Take minimum time to recharge.
  • Overheating risk.


8. Crave Plus Pro-20000mah Portable Charger

INIU Power Bank 20000mah (2)

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The power and voltage of this device are pretty impressive. The Crave Plus has a 20000mah capacity, which charges a smartphone up to 6-8 times. It also handles high-power devices. 

Crave 20000mah power bank can be fully charged within 3-4 hours which is great. The 30 watts is the maximum charging speed for any single port. Some silent features are presented.



Some important features are:

  • It has an input/output USB type-C port and two output USB type-A ports.
  • The Crave Plus PRO PD measures only 7 inches long, 3.24 inches wide, and 0.72 inches thick.
  • Quick charging with a smart, efficient, and easy-to-use power bank.
  • Compatible with iPhones, smartphones, laptops, and other devices.
  • It has a simple shiny button, with a row of LED light indicators below.
  • Slim design with aluminum casing.
  • Efficient to use with fast charging.
  • It comes with both QC and PD technologies.
  • Compatible even with high-power laptops.
  • It’s pretty heavy.


9. Anker Power Bank Core Slim

Cheap 10,000 mAh Portable Chargers

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Anker Power Bank 10000mah supports power delivery. USB-C ports can charge up to 18W. And USB-A- A ports can charge 12W. It is a small device you can easily put in your pocket wherever you are.

The size of the power bank is the same as your mobile and light in weight. It also has power safety protectors. It is designed with high-quality hardware and chips. Ankur Slim Power comes with an 18-month warranty and is easy to approach.


Some important features are:

  • It designed a high-quality power protector
  • High-speed charging technology.
  • High durability and reliability.
  • Fast charging power device.
  • Compact size.
  • Durable design.
  • Chances to overhead
  • Single charging port.


10. VEEKTOMX Portable Charger with Built-in Cables and AC Wall Plug

VEEKTOMX Portable Charger with Built-in Cables and AC Wall Plug

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Compatibility is another strong suit of this charger, as it can power a wide range of devices including iPhones, Samsung Galaxy series, and other USB C devices. Its design is travel-friendly, being both slim and lightweight. 

I believe we all experienced family vacations where multiple members needed different chargers but there was only one kind (which would leave all the other members a bit angry). Well, to avoid any kind of negative energy on your vacation, get one of these!


  • Connector Type: IOS, USB A, USB C, Micro USB
  • Dual USB Outputs
  • LED Display
  • Built-in AC Wall Plug
  • 22.5W quick charge output
  • Built-in safeguards 
  • Bulkier than smaller-capacity power banks
  • Charging Time


Buying Guide

Canva 200 Design Milestone Badge

When it comes to purchasing a 20000mAh power bank, there are several factors to consider to ensure you get the best value for your money and a product that suits your needs. 


The capacity of a power bank, measured in mAh (milliamp hours), indicates the amount of energy it can store. A higher mAh rating means the device can store more energy and, therefore, charge devices more times before they themselves need recharging.

The RAV and the Anker 20000mAh both offer a high capacity of 20000mAh, ensuring multiple charges for your devices.

Charging Speed

This refers to how quickly the power bank can charge your devices. Some support fast charging technologies like Quick Charge (QC) or Power Delivery (PD), which can significantly reduce the time it takes to charge a device. The wattage (e.g., 18W, 30W) often indicates the speed.

The RAV 20000mAh boasts 18W PD and QC output, indicating that it supports fast charging technologies to speed up the charging process for your devices.

Number of Ports

Number of Ports on power banks

The number of output ports determines how many devices you can charge simultaneously. Some models might also have varied port types, like USB-A, USB-C, or even AC outlets.

The Imuto 20000mAh can charge two devices simultaneously, showcasing its dual-output capability.

Display and Indicators

Modern power banks often come with LED displays or indicators that show the remaining battery percentage or charging status. This feature helps users gauge when the power bank needs recharging.

For example, the RAV 20000mAh is equipped with a display screen that intelligently shows the actual status of charging, allowing users to monitor the battery level.


It’s essential to ensure the power bank is compatible with a wide range of devices, from smartphones to tablets and even laptops. Some might support specific brands or device types more efficiently.

The Soaraise 25000mAh is highlighted as being compatible with all 5V devices, ensuring it can charge a wide range of gadgets from iPhones to Samsung devices.

Design and Portability:

Design and Portability - Power Banks

The design pertains to the physical attributes of the model. A compact and lightweight design is preferable for those on the move. Some might also have rugged or waterproof designs for outdoor use.

The Xiaomi 20000mAh is specifically designed for outdoor activities, emphasizing its compact and travel-friendly design.

Price and Value for Money:

While it’s tempting to go for cheaper options, it’s crucial to ensure you’re getting good value for your money. A slightly pricier model might offer better durability, more features, or a longer warranty, making it a better long-term investment.

The Imuto 20000mAh is mentioned as offering good value for its price, suggesting that it provides a balance of quality and cost.

Safety and Protection:

Safety features are paramount. Good power banks have built-in protections against overcharging, overheating, short-circuits, and more. This ensures both the power bank and the devices being charged remain safe.

The Imuto 20000mAh comes with smart protection features, ensuring that your devices are charged safely without risks of overcharging or short-circuits.

Safety and Protection - Power Bank

Warranty and Brand Reputation:

Established brands often offer better customer support and warranties. A longer warranty period can be an indicator of the manufacturer’s confidence in the product’s quality. Brands like Anker ensure warranty coverage.

In order words, look for a device with the following characteristics:

  • Charge multiple devices.
  • To Purchase easily.
  • Carry them anywhere.
  • Charge devices in minimum time.
  • Durable charging device.
  • User friendly.
  • Compact and small.

Avoid devices that include USB charging.

Market size in the United States 2014-2025

Source: Statista 2024

This statistic shows the market size of power banks in the United States 2014-2025.  In 2024, the U.S. market has a size of about 1.99 billion U.S. dollars.


What does mAh stand for?

mAh stands for “milliampere-hour,” which is a unit of measurement used to describe the amount of electrical charge a battery can hold. It is commonly used to measure the capacity of rechargeable batteries in electronic devices such as smartphones, laptops, and tablets. The higher the mAh rating, the longer the battery can typically last before needing to be recharged.

How many charges do you get with a 20000 mAh power bank?

The number of charges you can get from a 20000 mAh power bank depends on the capacity of the device you are charging and the efficiency of the power bank. However, here is a rough estimate based on the assumption that the power bank is 100% efficient and the device being charged has a battery capacity of 3000 mAh:

20000 mAh / 3000 mAh = 6.67

This means that you could get approximately 6-7 full charges for a device with a 3000 mAh battery capacity from a 20000 mAh power bank. However, keep in mind that actual charging capacity may vary depending on various factors such as the age and condition of the battery in the device being charged, the usage of the device during charging, and the quality and efficiency of the power bank.

Can a power bank damage your phone?

This is generally safe and will not cause damage to your phone, as long as you use a high-quality model designed to work with your phone’s specific charging needs.

However, using a low-quality or counterfeit model can potentially cause damage to your phone, as these products may not be designed to meet safety standards and may not regulate the charging process properly. Additionally, using a model that is not powerful enough for your phone’s charging needs can cause slow charging or incomplete charging, impacting the overall health of your phone’s battery.

How do you know if the power bank is fully charged?

  1. Check the LED indicator: Many models have LED lights that indicate the charging status. When the device is fully charged, the LED indicator will typically turn off or show a solid light.
  2. Check the charging time: The charging time can vary depending on the capacity and charging speed. Most take around 4-6 hours to fully charge. If you know the charging time for your specific model, you can check the time to see if it has been fully charged.
  3. Use a voltmeter: A voltmeter can be used to measure the voltage of the power bank. When it is fully charged, the voltage should match the manufacturer’s specifications.

Do I need to charge the power bank longer for the first time?

The charging time can vary depending on the capacity and charging speed, but there is generally no need to charge it longer for the first time.

It’s important to follow the manufacturer’s instructions, which may include recommendations for the initial charge. Some manufacturers may recommend fully charging the power bank before first use, while others may indicate that the device is pre-charged and ready to use right out of the box.

Can I charge my phone via a power bank that is still getting charged?

It depends on how much charging power your phone uses compared to the charging power of the power bank. If the charging power is not the same, you may notice that one or the other device is even discharging.

How long does a power bank last?

If you take care of it properly and always store it in a cool and dry place after each use, it can last for several years. In case you use it multiple times every day, the battery performance will eventually degrade the same as the batteries on other devices.


In this review, we have thoroughly examined the various aspects of the affordable 20000mAh power bank to meet the specific needs of potential buyers like you.

Our analysis reveals that these portable chargers offer exceptional utility, as they are capable of charging multiple devices simultaneously, just like the RAV 20000mAh and Anker. Moreover, they can even handle heavy-duty devices such as laptops and MacBooks.

If you are seeking a power bank that can last throughout the day while you’re on the move or enjoying a vacation, the 20000mAh capacity is perfect. This reliable power source will prove invaluable in any situation you may encounter.

Not only does it enhance convenience and simplify your life, but it also adds a touch of style to your ensemble.

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