Baseus 20000mAh Power Bank Portable Charger for iPhone External Battery PD Quick Charger Powerbank For Phone Xiaomi Poverban




Q: Why the battery capacity is 10000mAh, but the rated capacity is 5800mAh?

A: Because the input voltage of devices such as mobile phones is 5V. Inside the power bank, the original 3.7V will be boosted to 5V before output.

So the output capacity is 7400mAh ( 3.7V*10000mAh/5V=7400mAh).

There will be energy loss in the step-up and step-down process, and the energy conversion rate: more than 75%.

Finally, the rated capacity is about 5800mAh. (7400mAh*75%=5550mAh).

It can be calculated as above

the battery capacity is 20000mAh, but the rated capacity is 12000mAh


Two-Way Fast Charging

PD 20W LED display for battery level
Dual inputs and three outputs Allow to bring on a plane

From Low Battery to Full Charge in a Second

The charging time of Apple will be reduced through this 20W fast charger.
Apple12 (20W): About 50% charge in 30 minutes
Apple11 (18W): About 50% charge in 30 minutes
Fully charge itself (18W): XX hours

Support Huawei/Samsung Fast Charging Protocols

Compatible with FCP, QC, AFC and other quick-charging protocols, it can quickly charge for Huawei, Mi, Samsung and other mobile phones.

Multi-Device Charging

Type-C input(18W):5V/3A,9V/2A
/Total output:5V/3A Max.

A Portable Charging Station

Charge your devices in a blackout
Charge your fan in hot summer
Portable charging
Long battery life

Small Size

Portable and handy.

Quality Cell, Safely Charging

The high-quality polymer lithium battery ensures safe power storage and discharge.

NTC Temperature Protection

The temperature sensing circuit with an NTC thermistor offers over-temperature protection.

Smart Current Distribution

It automatically outputs the required current according to the devices.

For Apple:12/12 mini/12 Pro/12 Pro Max, SE2, 11/11Pro/11 Pro Max, XS Max/XS/XR/X, 8/8 Plus
For Huawei: Mate40/40 Pro/40 Pro+, Mate30/30 Pro, P40/40 Pro, P30/30 Pro, nova8/8 Pro
For Xiaomi: 11, 10/10 Pro/10 Ultra, 9/9se, CC9/CC9e, Redmi K30 Ultra, Redmi 10X, Redmi 9
For Samsung: S21, S21+, S20, S20+, S10, S10+, Note9

International Certifications Qualified and Secure

Each model meets national standards of safety and quality.

Upgraded Texture by Laser Process

LED display shows battery percentage in real time, travelling without worrying about low battery.

Allow to Bring on a Plane

Two Colors, Three Capacities

20000mAh standard version
30000mAh high capacity version

Additional information

Brand Name




Output Interface

Double USB, USB-Type C

Input Interface

Micro USB, USB Type C

Battery Type

Li-polymer Battery

Shell Material



Digital display, With LED Lamp


Mainland China


Portable Power Bank



Support Quick Charge Technology

Two-way Quick Charge

Max Input


Max Output

PD 20W

Energy Conversion rate


Micro Input

5V/2A, 9V/2A

Type-C Input

5V/3A, 9V/2A

Type-C Output

5V/3A, 9V/2.22A, 12V/1.5A

USB1/USB2 Output

5V/3A, 9V/2A, 12V/1.5A

Total Output

5V/3A Max.

Feature 1

20W PD iP Fast Charge

Feature 2

portable charging, power bank

Feature 3

PD 20W powerbank

Feature 4

Digital display PD power bank 30000mah

Compatible Cellphone 1

For iPhone 12 11 pro Xs Max

Compatible Cellphone 2

For Samsung S20 S10 Plus Note 10 9

Compatible Cellphone 3

For Xiaomi Redmi Note 10 pro

Compatible Cellphone 4

For POCO M3 X3 Pro NFC

Feature 5

pawerbank, poweer bank


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