Xiaomi

Xiaomi Mi Power Bank 3 20000mAh 18W

Capacity:: 20,000mAh / 74Wh
Max Output:: 18W
Wireless:: None
Dimensions:: 150.6 x 72.2 x 26.3mm

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Manufacturer: Xiaomi Last updated: 2026-09-15

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Xiaomi Mi Power Bank 3 20000mAh 18W Review

Xiaomi Mi Power Bank 3 20000mAh 18W (model PLM18ZM) is a 20,000mAh / 74Wh Li-Polymer power bank with 18W max two-way fast charging and a rated output capacity of 12,000mAh (5V).

A no-frills, high-capacity entry in Xiaomi's third-generation Mi Power Bank line, aimed at travelers who want a large battery reserve without paying for the fastest charging speeds.

High Capacity, Simple Charging

20,000mAh (74Wh) capacity with 18W two-way fast charging and a rated output of 12,000mAh, measuring 150.6 x 72.2 x 26.3mm.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Best for

Long trips needing a large capacity reserve
Budget-conscious buyers who don't need 30W+ speeds

Not for

Fastest possible charging
Laptop charging

Specifications

What these specs mean

Identity

Brand	Xiaomi

Capacity

Capacity mAh	20000 mAh
Capacity Wh	74 Wh
Cell Chemistry	Li-Polymer

Output power

Single Port Max Output	18 W

Ports

AC Outlet	No
Built-in Cable	No

Size and portability

Length	150.6 mm
Width	72.2 mm
Thickness	26.3 mm

Safety and features

Airline Safe	Yes

FAQs

What are the key specifications of the Xiaomi Mi Power Bank 3 20000mAh 18W?

Key specs for the Xiaomi Mi Power Bank 3 20000mAh 18W: Capacity 20000 mAh, Energy 74 Wh, Airline Safe/100Wh or less Yes, Max Single-Port Output 18 W, Laptop Charging 60W+ No, AC Outlet No.

Will the Xiaomi Mi Power Bank 3 20000mAh 18W work with my current setup?

The Xiaomi Mi Power Bank 3 20000mAh 18W lists Capacity is 20000 mAh. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.

Who is the Xiaomi Mi Power Bank 3 20000mAh 18W best suited to?

Best suited to: Long trips needing a large capacity reserve; Budget-conscious buyers who don't need 30W+ speeds.

What are the drawbacks of the Xiaomi Mi Power Bank 3 20000mAh 18W?

Not the best fit for: Fastest possible charging; Laptop charging.