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Product guide

INIU BI-B6 10,000mAh 22.5W Power Bank

INIU BI-B6 is a 10,000mAh portable power bank listed with 22.5W charging and PD 3.0 and QC 4.0 support. Its USB-C input and output claim, digital display and slim form are aimed at topping up phones and small devices while travelling. The listing also gives a USB-C cable and travel pouch in its package contents, though an accessory mention is not fully consistent with the explicit contents list.

At a glance

The title claims 22.5W output with PD 3.0 and QC 4.0 fast-charging support.
USB-C is described as both an input and output on the 2024 version listing.
Digital display and flashlight are listed alongside a slim design.
Manufacturer copy gives device-specific charge examples, which vary by device and should not be read as a guaranteed number of full charges.

Price

£14.96Save 25%

Reference price: ~~£19.99~~

Price checked: 12 Nov 2026

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Often bought together

INIU 45W Fast Charging Power Bank, 40% Smaller 10000mAh Portable Charger | Flight-Safe, Detachable USB C Cable, Travel Essential, External Battery Phone Pack for iPhone 18 17 16, Samsung, Xiaomi etc

£18.63

Pros and cons

Pros

10,000mAh capacity and a stated 210g weight suit a compact everyday or travel backup.
USB Type A and USB Type C connectors are listed, and the USB-C port is claimed to handle both input and output.
A digital display offers a charge-level readout, with a flashlight also listed.

Cons

The 10,000mAh capacity is a modest reserve for extended use or charging multiple devices repeatedly.
The supplied details do not specify output wattage per port or how charging performance changes when multiple ports are used.

Technical specifications

14 specifications

Identity
Brand	INIU
Model	BI-B6

Power and battery
Battery capacity	10000 Milliamp Hours
Battery cell type	Lithium Polymer
Power configuration	Corded Electric
Voltage	5 Volts
Amperage	3 Amps
Ports listed	3
Rechargeable	Rechargeable
Listed battery charge time	3 Hours

Connections and features
Connector types	USB Type A, USB Type C
Special features	Digital Display, Flashlight, Slim

Dimensions and weight
Dimensions listed	13.6 x 7 x 1.5 centimetres
Weight listed	210 Grams

What to know before buying

Listing details to confirm

The listing describes a 10,000mAh battery and 22.5W fast charging, while the detail fields list 5 Volts and 3 Amps without assigning these values to a particular port or charging mode. It also calls the product slim and supplies dimensions of 13.6 x 7 x 1.5 centimetres and a weight of 210 Grams, but gives no comparative basis for slimness. USB-C input and output is described specifically for the 2024 version, so confirm the selected revision. The explicit package list names a power bank, travel pouch, USB C cable and manual, while a separate claim mentions a case without confirming it as included.

What’s in the box

Power bank ×1Included
Travel pouch ×1Included
USB-C cable ×1Included
User manual ×1Included
CaseCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

People wanting a pocketable 10,000mAh backup for phones or earbuds.
Travellers who value a listed USB-C input/output port, display and flashlight.

Less suited to

Buyers needing a high-capacity reserve for several days away from mains power.
Buyers who need a clearly stated per-port output or confirmed simultaneous charging behaviour before purchase.

INIU BI-B6 10,000mAh 22.5W Power Bank · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 29,955 ratings

5 stars76%76%
4 stars15%15%
3 stars5%5%
2 stars1%1%
1 star3%3%

Customer feedback highlights quick phone charging, portability and useful battery life, with positive comments also describing the power bank as lightweight. Experiences with battery life are mixed, including a report of the unit stopping after a month. These impressions are relevant to a 10,000mAh travel backup, but they do not establish a typical lifespan or guarantee performance for a particular device.

Positive themes

Customers describe charging phones quickly and find the unit portable and handy for travel.
Customers positively mention its weight and useful battery life.

Negative themes

One reported experience says the power bank stopped working after a month. This is an individual concern, not evidence of a universal reliability issue.

Mixed feedback

Battery life is described both as lasting for hours or multiple uses and as disappointing by some customers.

Frequently asked questions

What is the capacity of the INIU BI-B6?

The listing specifies a 10,000mAh capacity. Its charge count depends on the device and conversion losses, so the stated capacity does not translate directly into an equal amount delivered to a phone.

Does the BI-B6 have USB-C input and output?

The product copy says USB-C supports both input and output on the 2024 version. Confirm that the selected listing is for that revision.

What accessories are included?

The explicit contents list names one power bank, one travel pouch, one USB-C cable and one user manual. A separate case mention is not confirmed by that list.

How long does recharging take?

The details list a 3-hour battery charge time. Another manufacturer statement says 2 hours with an 18W wall charger via USB-C, so recharge time depends on the charger and the listing's claims are inconsistent.