MI Power Bank 3i 20000mAh Full Product Review

Looking for a reliable charging companion? Look no further than the MI Power Bank 3i 20000mAh in Black. With triple port output, dual input port, and advanced chip protection, this power bank is ready to keep you charged up whenever and wherever you go. Join us as we dive into what makes this power bank a must-have gadget!

MI Power Bank 3i 20000mAh Black

₹ 2,899 ₹ 3,499
PRIMEPRIME
in stock
Amazon.in
Amazon price updated: June 7, 2025 2:26 AM
8.2
Highly recommended
In summary, the MI Power Bank 3i 20000mAh impresses with its solid build quality, fast charging support, and convenient features such as triple output and multiple input ports. While it takes around 8 hours to fully charge and can show stains easily, its efficient performance and reliability make it a highly recommended choice.
Benefits
  • Supports fast charging
  • Solid build quality
  • Triple output
  • Includes good quality cable
Cons
  • Takes around 8 hours to fully charge with a standard 10W charger
  • Surface can gain stains of oil easily

The MI Power Bank 3i 20000mAh is a versatile and efficient charging solution that offers powerful performance in a sleek black design. With triple port output, you can charge multiple devices simultaneously, making it an ideal companion for those who are always on the go. The dual input ports – Micro-USB and USB-C – provide flexibility and convenience, ensuring compatibility with a wide range of devices. The fast charging capability and advanced 12 Layer chip protection help deliver a reliable and quick charging experience.

We are particularly impressed by the smart power management feature of this power bank, which optimizes energy efficiency and ensures safe charging for your devices. The compact dimensions of 15.1 x 7.2 x 2.6 cm and the weight of 434 g make it easy to carry around wherever you need it. The 6 months domestic warranty gives you peace of mind knowing that your investment is protected. Additionally, the special features like Short Circuit Protection and Fast Charging enhance the overall value of this product.

Technical Specifications
  • Battery Power Rating: 20000mAh Lithium Polymer
  • Charging Speed: 18W Fast Power Delivery
  • Input Ports: Type C & Micro USB
  • Output Ports: Triple Output
  • Color: Black
  • Special Features: Short Circuit Protection, Fast Charging

In the box, you will find the MI Power Bank 3i 20000mAh, 1 USB cable, and 1 user manual, everything you need to start charging your devices right away. With its reliable performance, advanced features, and the backing of a reputable manufacturer like Xiaomi, this power bank is an excellent choice for anyone looking for a high-quality portable charging solution.

Fast Charging Capabilities
  • Triple port output
  • Dual input port (Micro-USB/USB-C)
  • Advanced 12 Layer chip protection
  • Smart power management
  • 6 months domestic warranty

Our Detailed Review of MI Power Bank 3i 20000mAh

Build Quality & Design

We were impressed by the solid and attractive build quality of the MI Power Bank 3i. The sandstone texture and rounded edges not only lend it a premium feel but also make it comfortable and secure to hold. In comparison to other power banks like the Redmi Power bank, the MI Power Bank 3i feels more sleek, premium, and ergonomically designed.

Charging Time and Efficiency

Charging the power bank for the first time took approximately 8 hours using a standard 10W charger. It’s essential to use a high-quality Type-C cable for efficient charging. We noted that utilizing older cables can significantly increase charging time. For optimal performance, it is recommended to use a cable that supports fast charging to maximize the efficiency and speed of the charging process.

Charging Speed Test

We conducted a charging speed test using different Type-C cables and observed varying results. It became evident that the choice of cable directly impacts the charging speed. Using the cable provided with the power bank yielded the best results, with the device reaching 50% charge in just 30 minutes. This highlights the importance of utilizing a compatible cable for efficient fast charging.

Features and Performance

The MI Power Bank 3i offers a convenient and reliable power supply for charging multiple devices. It supports fast charging, ensuring quick and efficient power delivery. The inclusion of advanced safety features enhances user convenience and peace of mind during charging. The indicator lights provide a clear visual of the battery level, while the Type A to Type C cable included in the box offers versatility in connectivity options.

Overall Impression

In conclusion, the MI Power Bank 3i 20000mAh stands out as a superior power bank with excellent performance and reliability. Its efficient charging capabilities, solid build quality, and convenient features make it a highly recommended choice for those seeking a portable power solution. While the surface may be prone to collecting stains, this minor issue does not detract from the overall positive experience with this power bank.

Bottom Line

The MI Power Bank 3i 20000mAh impresses with its sleek design, efficient charging capabilities, and reliable performance. Its fast charging support, solid build quality, and convenient features make it a top choice for users looking for a high-quality portable power solution.

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Buyer’s Guide: How to Select the Right Portable Charger/Power Bank

Key Considerations for Choosing a Portable Charger:

  1. Capacity:
    • The MI Power Bank 3i has a capacity of 20000mAh, providing multiple charges for your devices.
    • Determine your device’s battery capacity to ensure the power bank can fully charge it.
  2. Output Ports:
    • The MI Power Bank 3i offers triple output ports, including Type C and Micro USB.
    • Consider the types and number of devices you need to charge simultaneously.
  3. Fast Charging:
    • Look for features like 18W Fast Power Delivery Charging for quick and efficient charging.
    • Ensure compatibility with your devices for optimal performance.
  4. Input Options:
    • Check if the power bank supports multiple input options like Type C and Micro USB for convenience.
    • Choose a power bank with versatile input ports for easy recharging.

Steps to Make an Informed Decision:

  1. Identify Your Needs:
    • Assess your charging requirements, including the number of devices and frequency of use.
  2. Research and Compare:
    • Read product reviews and compare features, capacities, and pricing of different power banks, including the MI Power Bank 3i.
  3. Check Compatibility:
    • Ensure compatibility with your devices, considering both output and input options.
  4. Consider Portability:
    • Determine the size, weight, and design of the power bank for easy portability.
  5. Budget:
    • Set a budget based on your requirements and compare value for money among different options.

Tips and How-Tos for Selecting a Portable Charger:

  • Tip: Look for advanced safety features like overcharging protection to safeguard your devices.
  • How-To: Test the power bank’s capacity by charging your device from low battery to full charge to gauge its efficiency.

Summary:

Choosing the right portable charger/power bank, such as the MI Power Bank 3i 20000mAh, involves considering key factors like capacity, output ports, fast charging capability, input options, and overall portability. By following the outlined steps, tips, and guidelines, you can make an informed decision that meets your charging needs efficiently and effectively.

Charging Solutions FAQ

Does the power bank support pass-through charging?

Yes, the MI Power Bank 3i 20000mAh does support pass-through charging. This means you can charge the power bank while simultaneously using it to charge your devices, providing a convenient and efficient charging solution. Feel free to reach out if you have any more questions about this product!

Can the MI Power Bank 3i charge three devices simultaneously?

Yes, the MI Power Bank 3i can charge three devices simultaneously. With its triple output feature, you can conveniently charge multiple devices at the same time, making it a versatile and efficient power bank for your charging needs. Feel free to ask us if you have any more questions about this product!

What are some innovative features or design elements that set certain portable chargers or power banks apart from others in the market?

Certainly! Some innovative features or design elements that set certain power banks apart from others in the market include fast charging capabilities, multiple output ports for charging multiple devices simultaneously, slim and lightweight designs for portability, built-in LED displays for battery status, power delivery technology, and compatibility with various devices such as smartphones, tablets, and laptops. Additionally, some power banks may come with intelligent safety features like overcharge protection, short circuit protection, and temperature control to ensure the safety of both the power bank and connected devices. These features contribute to a seamless charging experience and distinguish top-quality power banks in the market.

Is MI Power Bank 3i 20000mAh lightweight?

No, the MI Power Bank 3i 20000mAh is not considered lightweight. Due to its large battery capacity of 20000mAh, it may be heavier compared to smaller power banks with lower capacities. It is designed to provide a high power capacity to charge devices multiple times, which is why it may have a bit more weight to it. However, it is still portable and convenient for charging devices on the go.

What are the key factors to consider when choosing a portable charger or power bank for specific devices such as smartphones, tablets, or laptops?

When choosing a portable charger or power bank for specific devices like smartphones, tablets, or laptops, there are several key factors to consider. First, you would want to check the capacity of the power bank, which is measured in mAh (milliampere-hours). The higher the capacity, the more charge it can provide to your devices. Next, look at the number and type of output ports the power bank has, to ensure compatibility with your devices. It’s also important to consider the charging speed (measured in watts) to ensure fast charging for your gadgets. Additionally, the size, weight, and portability of the power bank could also be factors to consider based on your lifestyle and needs. Lastly, check for features like built-in safety mechanisms to protect your devices from overcharging or short circuits.

What devices are compatible with 18W Fast Power Delivery Charging?

Sure! Devices that support 18W Fast Power Delivery Charging are typically smartphones, tablets, and other gadgets that are equipped with the necessary hardware to accept higher wattage for faster charging. Some common devices compatible with 18W Fast Charging include certain models of iPhones, iPads, Android smartphones from various brands like Samsung, Google, and Huawei, as well as other USB-C powered devices. Keep in mind the compatibility may vary depending on the specific device and its charging specifications.

Discover the reliability and efficiency of the MI Power Bank 3i 20000mAh with fast charging capabilities in a sleek black design. Stay connected on-the-go with this powerful portable charger.

6 Comments
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  1. Could you elaborate more on the stains issue? Does it make the power bank look dirty quickly?

  2. It would be interesting to see how the MI Power Bank 3i performs when charging multiple devices simultaneously. Have you tested this scenario?

    • Hey, thanks for your suggestion! We actually did test the power bank while charging multiple devices at once, and it handled it pretty well. The charging speed was slightly slower, but it still got the job done efficiently.

  3. I can see this power bank being super useful for camping trips where access to power outlets is limited. It seems like a reliable companion for outdoor adventures.

    • Absolutely! The MI Power Bank 3i is indeed a great choice for outdoor activities like camping. Its large capacity and fast charging support make it a convenient and reliable companion for staying powered up while on the go.

  4. Hey there! Thanks for your question. Yes, the power bank can gather stains quite easily, especially if it comes into contact with oily substances. It doesn’t affect the performance, but it might bother some users who prefer to keep their devices looking pristine.

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