HUAWEI  Built-in Cable 12000mAh 66W  External Phone Charger  Laptop Smartphone Watch Power Bank 

Brand:Huawei

Model:P0021

Specification Attributes

battery capacity

Typical Capacity/Rated Capacity of Lithium-ion Battery: 4020mAh (3 cells) / 3920mAh (3 cells)

Rated capacity

7200mAh(5V/3A)

indicator light

4 LEDs

The first light shows green during fast charging and white during non-fast charging

cell

lithium-ion cell

input interface

1 x USB-C port, 1 x wired USB-C port with input/output support

output interface

1 x USB-C port, 1 x built-in USB-C port with cable, supports input/output

Output conversion efficiency

≥86%@5V2A,88%@5V3A,92%@9V3A,93%@10V4A,93%@11V6A

*Data source: Measured values from Huawei Labs, using the built-in cable or an official Huawei data cable with 6A or higher current capacity for single port. Performance may vary or deviate due to different usage environments.

Key type

Touch-sensitive

Operating Temperature

Charging ambient temperature: 5°C to 35°C

Discharge ambient temperature: -10°C to 45°C

rated output

Single Port Output: 5V/3A, 5V/4.5A, 9V/3A, 10V/4A, 12V/3A, 15V/3A, 20V/3.25A (Max), 11V/6A (Max)

Total Output: Built-in Port + USB-C Port: 5V/4A

Rated input

5V/3A, 9V/3A, 10V/4A, 12V/3A, 15V/3A, 20V/3.25A (Max), 11V/6A (Max)

attribute

size

130.62mm*68.38mm*15.6mm

*The data is sourced from Huawei Labs. Actual figures may vary depending on configurations, manufacturing processes, and measurement methods. Please refer to the physical product for accuracy.

weight

Approximately 236g

*The data is sourced from Huawei Labs, and actual performance may vary depending on configuration, manufacturing processes, and measurement methods. Please refer to the physical product for accuracy.

parameter

Applicable Devices

Mobile phone, laptop, tablet, headphones

Packing List

Power bank × 1

Quick Guide & Warranty Card & Safety Information × 1

Tips:This product does not include a USB-C charging cable except for its own cable.