From the manufacturer
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Triple Port OutputMore Power and More Charges on the go! The high capacity 20000mAh power bank allows you to simultaneously charge three devices at one go and does it way faster with the 18W fast charge support |
Dual Input with Type-CType-C + Micro USB The all new powerful 3i power bank supports re-charging via the type-c port or the micro-usb. You need not search for a particular cable to charge the power bank anymore. |
Power DeliveryThe Ultimate Power The power delivery support helps in type-c to type-c charging output and also supports type c to lightning charging across multiple devices. The type-c port also acts as an input source for re-charging the power bank. |
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High Density BatteriesLithium Polymer Batteries With the use of advanced resistance-capacitance sensors, the lithium polymer batteries are not only safer, but they improve the charging conversion rates and stabilize the discharging voltage |
Smart Power ManagementDouble Press for Low Power Charging Simply double press the power button to enter a 2-hour low charging mode to safely charge low power devices such as the Mi Band 4, Mi True Wireless Earphones 2 etc. |
Smart Protection in Place12 Layers Advanced Circuit Protection Your mobile devices are effectively shielded against overheating, over current and short circuits with the robust 12 layer advanced protective design. |
Technical Details
| Product Dimensions | 15.1 x 7.2 x 2.6 cm; 434 g |
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| Batteries | 1 Lithium Polymer batteries required. (included) |
| Item model number | PLM18ZM |
| Special features | Short Circuit Protection, Fast Charging |
| Other display features | Wireless |
| Colour | Black |
| Battery Power Rating | 20000 |
| Whats in the box | 1 Power Bank, 1 USB Cable & 1 User Manual |
| Manufacturer | Xiaomi |
| Country of Origin | China |
| Item Weight | 434 g |
KHUSHI (verified owner) –
5.0 out of 5 stars Time saver
It is jus an amazing product which saves time for charging and waiting for phone to up at 100%. It is easy to carry and one can charge for multiple time and it is fast so it’s convenient while traveling.
Amazon Customer (verified owner) –
4.0 out of 5 stars 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.
seeker (verified owner) –
5.0 out of 5 stars High capacity power bank
Love this huge charging capacity of this power bank. The finish is smooth without any sharp edges, making it ideal for just throwing into your backpack. Solid design. Input charging is through USB-C. Would have loved to have at least one output USB-C port.
Elavarsan Tamil (verified owner) –
5.0 out of 5 stars Reliable power bank
Absolutely loving my MI 10000mAh 3i Power Bank! The dual input feature with both Micro-USB and Type C options is super convenient, ensuring compatibility with all my devices. Plus, the 18W fast charging capability is a game-changer when I’m on the go and need a quick power boost. The metallic blue color adds a sleek touch, and the lithium polymer battery provides reliable performance. Highly recommend for anyone in need of a reliable power bank!
Yash Sawant (verified owner) –
5.0 out of 5 stars Premium Quality and good charging speed.
The power bank is light weight and has a metal body and it feels very premium, the charging is also very good, I have a iphone 11 and it easily charges my phone atleast 3 times, overall a very good product, highly recommended 😊.
Rashmi shah (verified owner) –
3.0 out of 5 stars after 1.10+ years its not working
I did a full charge to it, but its still not charging my mobile, almost after 1.10 years facing this issue .
Kinjal Desai (verified owner) –
4.0 out of 5 stars Quite Happy!
Very good performance from the portable charger – once fully charged it will charge my phone 100% 2x and maybe another 30-40% for the 3rd time.
Good on the durability front as well – Ive been using it while travelling everyday and I’ve not had an issues inspite of being banged about a bit.
No connectivity challenges either – simple plug and play.
It’s a bit on the heavier side – which is quite annoying sometimes but I’m choosing convenience over this issue.
Taking off one star due to the weight but over very satisfied with the product.
Chintan Kapadia (verified owner) –
4.0 out of 5 stars Good quality & Value for Money
Slim design is good. Quick charging. Good connectivity options. Overall Value for M O N E Y.
nk nitzs (verified owner) –
4.0 out of 5 stars Good one from MI
I have previously used 20000mah from MI the first one ever released and that’s working till now. As my brother is using it, so, I decided to get another one for me. So, which brand to go for? Well why not the same one I’ve been using. So, I decided to opt for this. The power-bank comes in a simple packaging with a scratch code on top to verify the product’s authenticity and ghat if it’s been used previously l. Mine was a new one with all the things intact. In the box you get a power-bank 20000mah and a usb type to type-C cable that is quite short, don’t expect much.
The main highlight is the power-bank which has 2-USB type A, 1 USB type C and 1 micro USB type. Micro USB only supports input while USB C can be used for input as well as output. The type A can only be used for output. The max output is 18W and supports fast charging.
1. Build Quality (4.5/5): Aluminium body looks sturdy and durable.
2. Charging Time of Power-bank (4/5): Around 7 hours from 25watt charger I used. Although I think 18W is the max input it supports.
3. Charging Output (4/5): Max 18W fast charging and yes it can charge iPhone and Samsung phones if you are worried. No issues there as I have tried it on my devices. The output may decrease if you charge multiple devices simultaneously.
4. Packaging and condition (5/5): Received a brand new product in working condition and a genuine one in a good packaging. So, KUDOS to that!
# You can simultaneously charge the
power-bank while charging the devices. But,
there might be an issue if you charge two
devices that supports super fast charging
like when I tried to charge my tab s9 and my
phone S23-FE simultaneously when the
power-bank was in charging, my S23-FE
stopped charging after a few seconds.
Although, when I tried it while connecting
tab and iPhones it was working without any
issues. And yes, this is only during the
charging devices while charging the
power-bank at the same time.
# 3 output ports (2 type A and one
type C)and 2 input ports (micro USB and
type C).
# 12 layer protection against short circuit.
Imp to notice:
1. For charging low power devices like watch and earpods, you can switch to low power output mode by fast clicking the power button twice and holding it until the light start blinking one by one. That is low power output mode and it’s a really nice addition.
Just click the power button once to switch back to normal mode.
2. Can switch off the power-bank too, now, that’s something to watch even though I don’t know how long am I gonna use it. Just tap and hold power button once for 10seconds and then you will see the all the lights blink at the same time for 10 times and then it’s off.
So, overall for me as I have previously used the Mi power bank, I hope this one lasts as well.
I grabbed it at ₹1899 in great Indian festival. But, I have seen price come down to ₹1699 after I had bought it. So, keep an eye for the offer for the lower price.
Overall a good buy: 4.5/5
Murshid Ahamed (verified owner) –
4.0 out of 5 stars Nice Product
It has large capacity. I have a 2400 mAh Li ion battery mobile. I can charging more than 3 times with this power Bank. Worth to buy
Suresh Singh Panwar (verified owner) –
5.0 out of 5 stars Nice
The power bank is of very good quality, has a very good battery backup and charges quickly.
Sadiya Khan (verified owner) –
4.0 out of 5 stars The body is a bit heavy
Once charged it’s sufficient to charge the phone 2-3 times but it the power bank takes a lot of time to charge I plug it the entire night for it to charge upto 4 dots