Aaoyun B2 10,000mAh 22.5W USB-C Power Bank

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Product guide

Aaoyun B2 10,000mAh 22.5W USB-C Power Bank

Aaoyun B2 is a 10,000mAh portable power bank with a built-in USB-C cable and listed 22.5W PD fast charging. Its slim, 6.8-ounce design is aimed at phone charging on commutes and trips, while the listing's port-count and simultaneous-charging claims need clarification.

At a glance

Built-in USB-C cable is intended to reduce the need to carry a separate charging cable.
The listing claims 22.5W PD fast charging and bidirectional charging, including a 3.5-hour recharge time for the power bank.
The manufacturer describes the casing as aluminum alloy and the body as 0.6 inches thin.
The product page claims capacity for two full iPhone 17 charges, but this is a manufacturer estimate, not an independently established result.

Price

$9.99Save 23%

Reference price: ~~$12.99~~

Price checked: Nov 12, 2026

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Often bought together

Miady 2-Pack Portable Charger, Slim 10000mAh Power Bank Travel Battery Pack | Dual USB丨3 Outputs 2 Inputs丨for Backpack Travel Camping丨Slim丨Compatible with iPhone Android etc丨Flight-Safe丨37Wh丨Black+White

$21.99

Pros and cons

Pros

Built-in USB-C cable can simplify carrying a charger for compatible devices.
The listed 10,000mAh capacity and 6.8-ounce weight suit portable phone top-ups.
The listing names iPhone, Samsung, Google Pixel, iPad, Apple Watch, and AirPods among compatible device families.

Cons

At 10,000mAh, this is a phone-focused capacity rather than a high-capacity option for extended charging needs.

Technical specifications

11 specifications

Identity
Brand	Aaoyun
Model	B2
Color	Matte Black

Power and battery
Battery capacity	10000 milliamp_hours
Power configuration	Corded Electric
Battery cell type	Lithium Ion
Voltage	10 volts
Connector type	USB Type C
Number of ports	2

Dimensions and weight
Dimensions listed	4.47 x 0.6 x 2.67 inches
Weight listed	6.8 ounces

What to know before buying

Listing details to confirm

Listing details are inconsistent: the specifications list 2 ports, while a feature claim says up to 3 devices can charge simultaneously. The title and feature text mention a built-in USB-C cable, but the 2-port figure does not clarify the available outputs or how simultaneous connections work. Confirm the selected listing's actual connection layout before relying on multi-device charging. The stated charging times and device-charge estimates are manufacturer claims.

What’s in the box

Included

Who is it for?

A good fit for

Phone users who want a compact 10,000mAh battery pack with an attached USB-C cable.
Commuters and travelers who prioritize a lightweight charger for occasional top-ups.

Less suited to

Buyers who need a clearly documented multi-device output setup before purchase.
Anyone seeking a large-capacity pack for repeated charging away from an outlet.

Aaoyun B2 10,000mAh 22.5W USB-C Power Bank · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 853 ratings

5 stars78%78%
4 stars8%8%
3 stars5%5%
2 stars2%2%
1 star7%7%

Customer feedback highlights perceived fast charging, portability, compact size, low weight, and convenience from the built-in USB-C cable. Some customers also report good charge retention, while others say the power bank stopped working within six months. For buyers choosing this listed 10,000mAh, 6.8-ounce pack for travel, those reports make the portable form and attached cable appealing, but battery-life experiences are mixed and do not establish a uniform lifespan.

Positive themes

Customers report quick charging and appreciate the compact, lightweight design for travel.
The built-in USB-C cable is described as convenient.

Negative themes

Some customers report the product breaking within six months of use.

Mixed feedback

Battery life feedback varies. Some customers say it holds a charge well, while others report early failure.

Frequently asked questions

Does the Aaoyun B2 have a built-in cable?

The product title and feature text say it has a built-in USB-C cable. The listing does not clearly explain how that cable relates to its stated two-port count.

How many devices can it charge at once?

A feature claim says up to three devices, but the technical details list two ports. The connection layout and simultaneous-use claim are therefore unclear, so verify the selected listing before relying on it.

Is the listed charging speed guaranteed for every phone?

No. The 22.5W PD figure and example charging times are manufacturer claims. Actual charging speed depends on the connected device and charging conditions.