Xiaomi Power Bank 4i 20000mAh 33W Super Fast Charging PD | Power Delivery | QC 3.0|Type C Input & Output |Triple Output Ports|Classic Black|Supports Android,Apple, Tablets, Earbuds, Watches etc (MI)

Original price was: ₹3,999.Current price is: ₹1,899.

From the manufacturer

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compatible with buds,earphones,neckbands,smart watch,trimmers and laptopscompatible with buds,earphones,neckbands,smart watch,trimmers and laptops

suitable for air travel, travel safe, bis certified,20000mah powerbank, 33W powerbanksuitable for air travel, travel safe, bis certified,20000mah powerbank, 33W powerbank

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33W Super Fast Charging for Input and Output
Type-C Input and Output Ports
Power Delivery and QC 3.0 Support
Smart Power Management

Description

Technical Details

Additional Information

7 reviews for Xiaomi Power Bank 4i 20000mAh 33W Super Fast Charging PD | Power Delivery | QC 3.0|Type C Input & Output |Triple Output Ports|Classic Black|Supports Android,Apple, Tablets, Earbuds, Watches etc (MI)

  1. Shahzan

    Excellent Purchase – Massive Battery Backup and Premium Build Quality
    I purchased this as I travel a lot and need a power Backup which I can rely upon. This Xiaomi PowerBank 20000mAh has been a great travel companion. Was able to charge my Redmi Note 13 Pro almost 3 full charge cycles and at the same time charge my TWS as well.Pros:* 33W Output is easily achieved with a Type-C port.* Dual and Triple device Charging is supported, and useful when travelling outdoors with gadgets.* Was able to charge my phone (5000mAh capacity) 3 Full cycles.* Premium Design with required Outputs and Type-C Input/Output is helpful as I don’t need to carry any additional micro-USB cable.* Compatibility is pretty well, was able to charge the iPhone with max output as well. My PS5 Controller as well. Smartwatches and TWS are also easily charged with Low Power Mode.* Trusted brand, I have been using Xiaomi Power Banks since 2016 and have also recommended it to many of my friends. They also love it.Cons:* Since it’s a 20000mAh power bank some might feel it is bulky and heavy. (I don’t mind this at all, at the end of the day it’s worth it and value for money )

  2. Amazon Customer

    Detailed Review – Must Read
    When I bought this Powerbank, I didn’t found a detailed review regarding this but now as I have used and tested this Powerbank (20000 mAh variant) for 7 days, so I think I’m eligible to write a detailed review for this. Mainly I will write this review based on 4 points, build quality, charging time of powerbank, charging speed and battery backup. So let’s start.1. Build Quality : The build quality of this Powerbank feels quite solid & nice. Its sandstone design texture and round edges makes its grip solid in hands & quite comfortable to hold. Before this I used to have Redmi Powerbank (20000 mAh) which in comparison to this Mi Powerbank feels little ugly in terms of design and uncomfortable to hold. Mi Powerbank feels less wider, thinner & more premium as compared to the previous one.2. Charging Time of Powerbank : The day I received this Powerbank, its LED indicators showed 2 LEDs blinking which means it had battery level between 25% to 50%. So before using it for the first time, I charged it fully using my standard 10W charger.One should also note that charging time of Powerbank along with the adapter also depends on what type of cable you are using. Using an old type C cable will take more time to charge it, as current carrying capacity of the cable decreases with time due to frequent usage. Although my 10W adapter is quite old but I have a new type C cable which supports fast charging, so I charged my powerbank with this setup and it took around 8 hours to charge it fully. So you can expect to charge it from 0 to 100% in around 11-12 hours using a 10W charger. Whereas if you use a fast charger like 33 Watt, 65 Watt etc. then ofcourse the powerbank will charge at a faster rate but it will also affect the efficiency and thermals of the powerbank in a negative way in the long run, so keep that in mind.3. Charging Speed Test : I tested the charging speed provided by this powerbank using 3 different type C cables to charge my 4000 mAh mobile device. Each time I charged my device to 80% using different cables (in second case I forgot to check & it got charged up to 90%) and noted the overall time it took to charge the device. All the results are attached in order as screenshots for reference.In first case, I charged it with my 2 yr old type C cable which although supports fast charging but the results were not impressive. (Time 1h 43 min Pic)In second case, I charged it with a new type C cable which came with my tws earbuds but it does not supports fast charging and the results were relatively better as compared to the first case. (Time 1h 58min Pic)In third case, I charged it with the type C cable which comes inside the box of this powerbank and supports fast charging, and in this case I got the most impressive results. The device got charged to 50% in just 30 min, and 80% in 1h 8min. (Time 1h 8min Pic)So, it shows that the cable also plays a very important role in fast charging your device which many people ignore.4. Battery Backup : Other than the above mentioned test results I charged my mobile 3 more times but didn’t noted the charging time. So all in all, till now I have charged my device to a total of 406% in 6 different rounds (80% + 94% + 80% + 44% + 82% + 31%) and still 3 LED lights of powerbank are blinking which literally amazed me considering the negative reviews I read about its battery backup before buying it.So, overall I would say you can buy this powerbank if it suits your requirements and budget. Also if you buy this powerbank then I would suggest you to charge it fully before using it for the first time and test other things during that 7 days replacement period, so if you find any issues with it, you would be able to replace it. I used AccuBattery app to record the battery percentage & time it took to charge my phone.P.S : Will update the review in future if felt the need to do it.

  3. Sonal Rastogi

    Solid Investment
    I’ve used this power bank a couple of times on my camping trips, and it has exceeded my expectations. It charges my devices quickly and holds power for days. The multiple ports are super convenient. The only thing that could improve is the charging speed for the power bank itself, but it’s a solid investment overall.

  4. Yogesh meena

    Not worth buying
    I’m giving it 5 stars so that Amazon show my review on top. I bought mi 4i powerbank for my recent trip. I have iphone 15 pro. I charged this powerbank fully and thought it would help me in that trip but it charged my phone only 1 and half times and charging is very slow it charged my phone to 80% in 2 hours and it’s battery dead after that after full charge. I previously had mi 3i 20000mAh powerbank which was good in terms battry backup. I could charge my iphone 15 pro 3 to 4 Times with 3i powerbank but 4i is not worth a single rupee. My money got wasted, don’t waste yours in this 4i powerbank. Not recommended this powerbank. Amazon don’t have return policy so i replace it and hope i don’t face the same issue in new powerbank.Edit- i got replacement and still having same issue. The Powerbank had charged upto 2 dots and i started charging my iPhone at 1% battery level but Powerbank’s battery dead after charged 26% and before powerbank was charged upto 50%. Worst battery backup.Guys don’t purchase this powerbank.Lol they merged and list the product with mi 3i powerbank so that they can show more positive reviews on this mi 4i powerbank. This is scam. Amazon should definitely do something about this.

  5. Mehak mittal

    amazing choice
    I’ve used the Xiaomi Power Bank 4i a few times now, and it’s quickly become my go-to charging solution. The fast charging feature is fantastic; I can charge my phone and tablet simultaneously without any issues. The design is sleek and fits easily in my bag. Perfect for long days out or travel! I highly recommend it for anyone needing reliable power on the go.

  6. Ambily

    Too much weight and fast charging
    It is Too HEAVY its build quality is very good its charging phones fast but the weight it a red flag for me

  7. SHAFEEQ

    Good..not bad…
    Good product…i have 3 times to recharge my phon

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