

🔌 Power that fits your fast-paced life—small size, huge impact!
The INIU 20000mAh Power Bank is the market’s smallest high-capacity portable charger, delivering rapid 22.5W fast charging through versatile USB-C and USB-A ports. Designed for professionals on the move, it easily fits in pockets and carry-ons, powering multiple devices from smartphones to camping gear. With a robust 3-year warranty and lifetime support, it’s the ultimate travel companion for uninterrupted productivity and connectivity.










| ASIN | B0DCNC4N6F |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Best Sellers Rank | 434 in Climate Pledge Friendly ( See Top 100 in Climate Pledge Friendly ) 23 in Mobile Phone Portable Power Banks 434 in Climate Pledge Friendly: Shop All |
| Colour | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (31,030) |
| Date First Available | 9 Aug. 2024 |
| Item Weight | 370 g |
| Item model number | P51-E2 |
| Other display features | Wireless |
| Product Dimensions | 10.4 x 7 x 2.9 cm; 370 g |
| Special features | Digital Display, Fast Charging, Flashlight, Lightweight, Pocket Size |
| What’s in the box | INIU Power Bank * 1, USB C Cable * 1, User Manual * 1 |
T**Y
Excellent product and amazing customer service.
⭐️⭐️⭐️⭐️⭐️ Perfect Power Bank! This INIU power bank is fantastic! It charges my phone incredibly fast, and the 20,000mAh capacity lasts for days. I love that the USB-C port works for both input and output—super convenient. Solid build, great value, and extremely reliable. Great for Travel Bought this for a long trip, and it didn’t disappoint. I charged my phone multiple times and still had power left. The fast charging works exactly as advertised. Not too heavy for the capacity and easy to carry around. Charges Everything Quickly Really impressed with the 22.5W fast charging. My iPhone and tablet both charge much faster than with my older power bank. The display is clear and the build quality feels premium. Definitely worth the price. Reliable and Powerful I keep this in my bag every day. It’s dependable, holds a ton of power, and recharges itself pretty quickly with USB-C. Perfect for work, travel, or emergencies. Would absolutely buy again. Excellent customer service, the team were very professional and helpful to resolve an issue quickly. Highly recommended
A**H
Amazing
Amazing, lasted around 6 years so far and still going very strong. Slightly chunkier than others but that is expected for a larger storage size. Very portable, charges fast, charges multiple devices or cycles,
K**K
Good value 20000 mAh Power Bank
This is my 3rd (or 4th, I lose track) 20000mAh power bank from INIU. Not because I keep replacing them, but they are so good I keep adding them to my collection. I was very impressed with my first one, bought several years ago I added a few more. They are moderately hefty (fair chunk of cells in the bar of soap-shaped case for 20000 mAh) but actually quite a small footprint. It has a nice clear readout of % charge left (0-100% shows in 1% increments) and a handy (ish) white LED light / torch function, which surprisingly, I use fairly frequently (push button on the side which activates the torch with a double press or turns it off with another 2 presses. Port-wise, 2xUSB3 (standard A size, blue coloured insert) for output to a device, and a USB-C (in/out) which allows re-charging of the bank or charging of a device (not at the same time, obviously!). The selling point for me is you can long-press the power button to turn it off but more importantly it stays ON when charging very low current devices e.g. some earbuds or smart watches (or powering some low power USB devices such as LNAs for SDR applications). Many powerbanks turn off if only a tiny current is being drawn, these don't which is why I own 4. As a device charger, they are great, they offer more rapid charge for my (android) phones that require it (can't comment on the fruity phones or devices as I don't own or use them, but I would assume the same for them). For the more nerdy types, I use one to power a 5v Bias-Tee for a small active antenna, and a fully charged bank lasts in the region of 2 or more weeks (and eliminates USB noise from SDR Bias-Tee or USB ports on computers). Comes nice packaged in a box, with brief user guide and guarantee card, a nice mesh drawstring bag, a 30 cm USB-A to USB-C cable (I assume charge only, never used them as have a set of other cables to do that job). And that's your lot. I regularly buy them on offer which makes them even more value for money. Next time I see one reduced, I'll probably add another to the collection as I really do like them. Good stuff!
D**L
Great for charging and long lasting power
Great to use if you have no way of charging your phone for afew days. Takes a while to charge up the product however the charge on this lasts for a long time. The power bank is a little bulky when trying to fit in a small bag. Had no experiences of overheating and has a mini torch which comes in handy when camping. Overall, I would buy again and great value for money
R**S
Compact, Powerful, and Charges Fast!
I’m really impressed with this INIU 20000mAh power bank. Despite its high capacity, it’s surprisingly small and lightweight — perfect for travel, work, or everyday use. It charges my phone multiple times and still has power left over. The fast-charging feature works brilliantly — my phone and tablet both charge quickly, and I love that it has both USB-C input and output. The digital display showing the battery percentage is a great touch, so I always know how much charge is left. Overall, this is one of the best power banks I’ve owned. Reliable, sleek, and efficient — absolutely worth the price!
T**A
Absolutely worth it! Powerful, fast & reliable
Amazing power bank charges my phones and ipad multiple times and super fast. Lightweight, reliable and perfect for travel. Definitely worth it! A must have!
S**N
Essential gadget for on-the-go charging.
This powerbank is absolutely fantastic. Very well made and as a nice quality feel to it. Torch is a nice addition. It lives in my tactical bag so I've always got power when out and about. Charges my Samsung A36, iPhone 12 and my 2-way radio via USB-C on a full charge but bear in mind that I never let my phones go below 20% and set them to stop charging at 80% to increase battery lifespan. Never drain your battery to zero.
B**F
Do I recommend it , Short Answer Yes! I’m dept review I bought this because of the changing in times we are living in & the power going out here in Ireland, been in my mid 30’s it’s honestly unheard of the power going down But it happens more & more often unfortunately this is why I bought it & to update for ones I bought years ago with a well known safe brand I own over ten power banks, This build quality is in the top 3 it really is! You get a full 3 year warranty with it It’s super sleek , it’s Really well made , it’s small it’s not that heavy for the mAh it’s really not It has a really nice display that’s big & clear , mine came with 55% which is the norm You get a USB A to USB C cable it’s not long maybe 6/7 inches ( that’s my only con which is nitpicking as they often don’t come with one ) The packaging is really nice , it’s very straight forward, push on , 2 fast pushes for the LED Light & sane to turn off super easy. Been USB C , It can recharge a lot faster & it’s really quick to charge my IPhone 11 usb A to Lighten People might think it’s heavy , For the power 20,000mAh it’s really not! , it’s really sleek & has a soft feel like velvet is the best way I can explain it but it’s really sturdy! But you can tell it’s made to last & anything with 3 year’s warranty at this price with this much power & at the speed it charges your phone or itself It’s a steal , such a bargain! I 100% recommend this. Buy it! *EDIT - UPDATE* - I charged this to 90% ( btw is the norm don’t charge to 100% and put stress on the batteries just sitting there as it’s just sitting there ) So 7 weeks later I checked it today 5th of June 2025 , it’s still at 90% & I plugged it in my phone for 15 mins , didn’t get hot , works perfectly as expected with the build quality reviews & from tech sites it’s the cheap but amazing quality powerbank ( build quality is my number 1 and it meets it it’s no different than my Ankler or Ugreen ) now I know I can put this in the drawer knowing when the power goes Click! I’m good , is such a peace of mind , this is the very same quality as Ankler & Ugreen imo, power is power at the end of the day , yes INIU is a new company, but with millions sold in the states & all over Europe & no horror stories, it’s such a peace of mind , also it’s not heavy IMO , it’s not it weight is about 4 times your phone ( if that is heavy to you ) if you are going out for a day long train or an overnight event 10,000mAh is Loads , imo this is for an emergency , I can’t rate it higher for the cost , build quality , power holding , and the price in around €20 quid it’s such a steal , Said I’d update to help someone to decide! As build quality is the most important thing to me then the power & it does both whats it ment to , on the tin so to speak And who doesn’t like a bargain , it will definitely go up in price. Hope this helps someone out
A**E
Very happy with this, slightly larger than the picture would suggest but not an issue, very rarely needs to be charged, can charge my phone 4-5 times before it needs a charge and fast charging also, would highly recommend
M**T
Laddar suveränt
I**S
Funciona bastante bien, dos horitas de carga y tiene para cargar un teléfono 2 veces entero
C**N
Buen dispositivo, cumple su cometido, carga rápida y alcanza para 3 cargas completas de una batería de 4200 mah. Como pega, que es un poco caro para lo que se puede encontrar en las webs de compras chinas (Lógicamente)
Trustpilot
3 days ago
2 weeks ago