Best 20,000 mAh portable power banks from Mi, Urbn and Anker: Top 9 picks

Last Published on Jan 03, 2024 13:02 IST

Summary:

20,000 mAh portable power banks offer high-capacity charging for multiple devices. This ensures you get extended usage on the go with convenience and reliability.


We all have had to deal with tricky situations when out on an assignment or otherwise, we suddenly notice that our device flashes low battery. Instead of running helter-skelter to look for a charging port, the smart thing to do is to going in for a good quality power bank. A 20,000 mAh portable power bank would make an ideal choice.

20,000 mAh portable power banks epitomize the pinnacle of portable charging technology. They offer a substantial reservoir of energy in a compact and handheld device. With a capacity of 20,000 milliampere-hours (mAh), these devices provide ample juice to keep your devices powered up throughout the day, whether you're on a long journey, out camping, or simply navigating a busy urban landscape.

These power banks typically feature multiple output ports, allowing you to charge multiple devices simultaneously, such as smartphones, tablets, smartwatches, or even laptops, catering to the diverse needs of modern consumers. This versatility ensures that your companions and you can stay connected and productive without worrying about running out of battery life.

Moreover, advancements in charging technology have enabled many 20,000 mAh power banks to support fast charging protocols, ensuring rapid replenishment of your devices' batteries when time is of the essence. Whether you're in a rush to catch a flight or need a quick top-up before heading out for an adventure, these power banks have got you covered.

Despite their high capacity, modern 20,000 mAh power banks are designed with portability in mind, featuring sleek and lightweight designs that easily slip into your pocket or bag. This blend of power and portability makes them an indispensable accessory for anyone who relies heavily on their electronic devices while on the move.

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1. MI Power Bank 3i

The MI Power bank 3i comprises a triple port output which means that it produces more power which ultimately leads to frequent and more charges. The high capacity 20000 mAh power banks let the user conveniently charge three devices at the same time without any hassle. This is carried out efficiently and rapidly due to the 18w fast charge support feature that this device offers. It also comes with a re-charging feature via the type-c port or the micro USB. This means that you don’t have to look for a specific cable to charge the power bank, making it easier to use.

Specifications of MI Power Bank 3i

  • Battery Capacity: 20000 mAh
  • Ports: Output: Triple, Input: Dual (Micro & USB Type-C)
  • Power Bank Charging Time: 6.9 hours
  • Charging Speed: 18 W
  • Battery: High-Density Lithium Polymer
  • Available Colours: Black, Blue
  • Features: Smart power management – press a button for a 2-hour low charging mode, 12 layers of circuit protection
  • Dimension (WxHxD): 7.23 x 15.06 x 2.63 cm
  • Weight: 434 g

Reasons to buy

Reasons to avoid

Three phones can charge simultaneously

Heavy and Bulky

 

Discharges quickly

2. Ambrane Stylo 20K

The Ambrane Stylo 20 k Power bank is not just popular for its high efficiency but also its design and build quality. The impeccable design and premium finish give it a sleek and stylish look. Not only looks wise, but it also offers the users a comfortable and easy grip for repeated usage. It comes equipped with smart LED Indicators on the body of the power bank. These indicators are instrumental in displaying the power status and letting the user to schedule their utilization and next charge in advance. The Ambrane stylo 20 k portable power bank has a 20 W Power delivery for output and input that offers higher levels of power in comparison to standard charging.

Specifications of Ambrane Stylo 20K

  • Battery Capacity: 20000 mAh
  • Ports: Output: Triple (2 USB & 1 USB Type-C), Input: 20 W USB Type-C)
  • Power Bank Charging Time: Not Mentioned
  • Charging Speed:20 W
  • Battery: High-Density Lithium Polymer
  • Available Colours: Black, Blue, Green
  • Features: Durable and compact body, multiple layers of Chipset Protection, Travel-friendly, LED power status indicator
  • Dimension (WxHxD):7 x 13.3 x 2.8 cm
  • Weight: 411 g

Reasons to buy

Reasons to avoid

Decent fast charging support

The power bank heats up while charging itself

Sturdy design

There may be an issue of short circuit

The URBN 20000 mAh consists of a superfast and rapid charging power bank that lets you charge your smartphones and tablets. It can take your smartphone from zero to 50 percent in just half an hour, all thanks to the rapid charging feature and the dual output ports of this power bank. The Advanced Dual Type-C lets the user enjoy the convenience of dual Type-C ports that support both input and output. The power bank sports Power Delivery technology, which makes sure optimal charging efficiency for all your devices. So, now users can experience 50% faster two-way fast charging for their smartphones, tablets, and more.

Specifications of URBN 20000 mAh 22.5W Fast Charge

  • Battery Capacity:20000 mAh
  • Ports:
    Output: Dual (USB Type-A & USB Type-C), Input: USB Type-C
  • Power Bank Charging Time:2.5 hours
  • Charging Speed:22.5 W
  • Battery:High-Density Lithium Polymer
  • Available Colours:Green, Blue
  • Features: Compact, lightweight & slip resistant, Universal compatibility, 12 layers of circuit protection, BIS safety certified, LED power status indicator
  • Dimension (WxHxD):7.08 x 12.9 x 2.59 cm
  • Weight:Not mentioned

Reasons to buy

Reasons to avoid

Offers compatibility with a variety of phones

This power bank may stop recharging itself.

 

Even after a full charge, the power bank is only able to charge a phone to 50% capacity. 

4. URBN 20000 mAh Li-Polymer 12W Fast Charge

The URBN 20000 mAh power bank boasts of premium finish and stylish design, it comes with a slip-resistant feature that makes it easy and safe to handle. It also supports super fast and rapid charging with five layers of added protection for safe functioning. It lets the user power two devices simultaneously, thus saving time, effort, and energy. Its dual-charging feature lets you efficiently charge your devices. The compact size of the power bank makes it easy to carry even when you are travelling or for outdoor activities. All the other features and specifications of this product are cited below.

Specifications of URBN 20000 mAh Li-Polymer 12W Fast Charge

  • Battery Capacity:20000 mAh
  • Ports:
    Output: Dual USB Type-C, Input: Dual (Micro & USB Type-C)
  • Power Bank Charging Time:12 hours
  • Charging Speed:12 W
  • Battery: High-Density Lithium Polymer
  • Available Colours: Purple, Blue, Bright Blue, and green
  • Features: Four-layer circuit protection, compact and slip-resistant design, BIS safety certified, LED power indication lights
  • Dimension (WxHxD):7.2 x 14.0 x 2.70 mm
  • Weight:354 g

Reasons to buy

Reasons to avoid

Nice look

The charging speed is slow

Decent battery capacity

 

The Anker 20000 mAh PD Power Bank, part of the PowerCore Series 3, boasts cutting-edge Fast Charging PowerIQ (PIQ) technology, ensuring swift and efficient charging for your devices. With both USB-A and USB-C output ports, it can charge two devices simultaneously, accommodating various gadgets. Its ultra-slim design enhances portability, making it an ideal companion for iPhone and other smartphones users on the go. Additionally, the USB-C input allows for quick recharging of the power bank itself, ensuring minimal downtime between uses.

Specifications of Anker 20000 mAh PD Power Bank:

Capacity: 20,000 mAh

Technology: PowerIQ (PIQ) Fast Charging

Inputs: USB-C

Outputs: USB-A & USB-C

Charging: Simultaneously charge 2 devices

Reasons to buyReasons to avoid
  • Fast Charging: Utilizes PowerIQ (PIQ) technology for efficient and swift charging.
  • Capacity: While sizable, may not fully charge larger devices multiple times.
  • Dual Outputs: Allows charging of two devices simultaneously, enhancing versatility.
  • Compatibility: Some devices may not support fast charging or require specific cables for optimal performance.

 

 

6. Redmi 20000mAh Power Bank

The Redmi 20000mAh Power Bank offers versatile charging options with USB Type-C and Micro USB ports, accommodating various devices. Its dual USB output enables simultaneous charging, enhancing efficiency. With 18W fast charging support, it swiftly replenishes your gadgets, while the low power mode ensures compatibility with smaller devices. The sleek white design adds a touch of style to its functionality, making it a convenient accessory for users seeking reliable and fast charging on the go.

Reasons to buyReasons to avoid
  • Versatile connectivity
  • Size
  • Fast charging
  • Compatibility

 

7. URBN 20000 mAh Premium Nano Power Bank

The URBN 20000mAh Premium Nano Power Bank packs a punch with 22.5W Super Fast Charging capability in a pocket-sized design. Featuring Dual Type-C Power Delivery (PD) outputs and one USB output for Quick Charge, it caters to multiple device types. Its two-way fast charge functionality ensures swift replenishment of both the power bank and connected devices. The vibrant purple color adds a stylish touch. Ideal for on-the-go charging needs, this power bank offers convenience and efficiency without compromising on performance or portability.

Specifications of URBN 20000 mAh Premium Nano Power Bank:

  • Capacity: 20000mAh
  • Fast Charging: 22.5W Super Fast Charging
  • Ports: Dual Type-C Power Delivery (PD) outputs, 1 USB output for Quick Charge
  • Size: Pocket-sized design
  • Charging: Two-way Fast Charge functionality
Reasons to buyReasons to avoid
  • Super fast charging
  • Pocket-sized, but might make it slightly bulkier compared to smaller power banks
  • Allows for versatile charging of multiple devices with Power Delivery technology.
  • Some older devices may not support Power Delivery charging or require specific cables for optimal performance.

 

8. Duracell 20000 MAH Slimmest Power Bank

The Duracell 20000mAh Slimmest Power Bank offers exceptional versatility with 1 Type C PD and 2 USB A ports, enabling simultaneous charging of three devices. Its 22.5W Fast Charging capability ensures rapid replenishment for iPhones, Android phones, smartwatches, and more. Despite its high capacity, its slim design enhances portability, making it an ideal companion for travel or everyday use. Whether you're on a business trip or out exploring, this portable charger ensures your devices stay powered up and ready for action whenever you need them.

Specifications of Duracell 20000 MAH Slimmest Power Bank:

  • Capacity: 20000mAh
  • Ports: 1 Type C PD, 2 USB A ports
  • Fast charging: 22.5W
  • Simultaneous charging: Charges 3 devices simultaneously
  • Compatibility: Suitable for iPhones, Android phones, smartwatches, and more

9. Ambrane PowerLit XL Power Bank

The Ambrane Powerlit XL Power bank offers its users a pass-through charging feature that lets you power your devices simultaneously while charging your power bank. It not only saves time but energy as well. Other than this feature, the devices that require a reduced or less power input can be efficiently charged using this power bank as it has a low charging adaptability feature. Not only does it score well in its productivity but also it’s easy to carry, ergonomic to use, and surely would not disappoint the buyers in the appearance category as well. The other features and specifications of the product are mentioned below.

Specifications of Ambrane PowerLit XL Power Bank:

  • Battery Capacity: 20000 mAh
  • Ports:
    Output: Triple (2 USB & 1 USB Type-C), Input: Dual (Micro & USB Type-C)
  • Power Bank Charging Time: 8.5 hours
  • Charging Speed: 22.5 W
  • Battery: High-Density Lithium Polymer
  • Available Colours: Green, Blue
  • Features: Metallic Body, Pass-through charging: you can charge your device as your power bank is charging
  • Dimension (WxHxD): 6.8 x 10.8 x 2.6 cm
  • Weight: 320 g
Reasons to buyReasons to avoid
  • Fast Charging: Supports 22.5W fast charging, ensuring quick recharging of devices.
  • Metallic Body: While it provides durability, the metallic body may be prone to scratches or dents.
  • Triple Output: Multiple output ports allow simultaneous charging of multiple devices, enhancing convenience.
  • Capacity: Despite being 20000 mAh, actual usable capacity might be lower due to energy loss during charging/discharging.

Best three features for you:

Product NameBattery CapacityColourSpecial Feature
MI Power Bank 3i20000mAhBlack18W Fast Power Delivery Charging, Triple Output
Ambrane 20000mAh Power Bank (Stylo 20K)20000mAhBlue20W Fast Charging, Type C PD, Quick Charge
URBN 20000 mAh Lithium_Polymer (Camo)20000mAhCamo22.5W Super Fast Charging, Pocket Size, Quick Charge
URBN 20000 mAh Li-Polymer (Camo)20000mAhCamo12W Fast Charge, Pocket Size, Made in India
Anker 20000 mAh PD Power Bank (PowerCore Series 3)20000mAhNAPowerIQ (PIQ) Technology, Charge 2 Devices, Ultra Slim
Redmi 20000mAh Power Bank (White)20000mAhWhiteDual USB Output, 18W Fast Charging, Low Power Mode
URBN 20000 mAh Premium Nano Power Bank (Purple)20000mAhPurple22.5W Super Fast Charging, Pocket Size, Two-Way Fast Charge
Duracell 20000 MAH Slimmest Power Bank20000mAhNA22.5W Fast Charging, Charges 3 Devices Simultaneously
Ambrane 20000 mAh Power Bank (Powerlit XL, Green)20000mAhGreen22.5W Fast Charging, Triple Output, Compact Size

Best value for money:

The best value for money product among the options listed could be the Ambrane 20000mAh Power Bank. It offers a balance of features like 20W fast charging, triple output, Type C PD input/output, and multi-layer protection, all at an attractive price point, ensuring efficient charging for various devices with enhanced safety measures. Additionally, its Li-Polymer battery and compact size make it a reliable and convenient choice for users seeking quality and affordability in a portable power bank.

Best overall product:

The MI Power Bank 3i 20000mAh stands out as the best overall product with its impressive features and reliability. Equipped with 18W Fast Power Delivery Charging, it ensures swift replenishment of devices. Its triple output, supporting Type C and Micro USB inputs, allows versatile charging options for various gadgets. The sleek Sandstone Black design adds a touch of elegance. With a robust lithium-polymer battery, this power bank promises extended usage and durability. Whether for daily commutes or travel adventures, it offers a perfect blend of performance, convenience, and style.

How to find the 20000 mAh power bank that is best suited to your needs?

From safety features to the charging capacity, all these features are important to consider before investing in a power bank. A powerful battery, strong build and design, output voltage, LED indicators, and cable quality are some of the prominent factors that one should keep in mind before buying a power bank. The buyers can check out online reviews and other tech review videos to compare the prices and other specifications and then come to a well though conclusion.

FAQs on 20,000mAH power bank

Yes, these power banks can be carried in cabin luggage.
A 20000 mAh power bank can weigh anywhere between 300-450 grams.
On a single charge, a 20000 mAh power bank can last for up to a week.
This is a high battery capacity power bank that can charge a regular phone up to 4 times, an iPhone up to eight times, and iPads up to two times.
With a 10,000 mAh power bank, you can charge your smartphone twice, whereas a 20,000 mAh allows you to do the same four times. Plus, a 20000 mAh power bank can charge laptops and tablets as well.
Disclaimer: At Hindustan Times, we help you stay up-to-date with the latest trends and products. Hindustan Times has an affiliate partnership, so we may get a part of the revenue when you make a purchase. We shall not be liable for any claim under applicable laws, including but not limited to the Consumer Protection Act, 2019, with respect to the products. The products listed in this article are in no particular order of priority.

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