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Acefast M21 Power Bank 20000mAh with USB-A Output Port and USB-C Output Port Black
Power Banks

Acefast M21 Power Bank 20000mAh with USB-A Output Port and USB-C Output Port Black

This power bank features a large capacity of 20000mAh, allowing you to charge your devices multiple times. Ideal for travel or daily use, its ports let you connect more than one device at the same...

This power bank features a large capacity of 20000mAh, allowing you to charge your devices multiple times. Ideal for travel or daily use, its ports let you connect more than one device at the same time.

With a total of two output ports, one USB-A and one USB-C, the power bank is compatible with a wide range of devices.

It supports fast charging technology,...

See full description See full description

  • Capacity

    The capacity indicates how much energy the power bank can store. The greater the capacity of the power bank, the more times it can charge your phone. It is measured in milliampere-hours (mAh).

    20000

    "The most popular powerbank capacity for long autonomy." 2. "
    " 3. "On average, a mobile phone battery has a capacity of 3500-4000mAh, so a 20000mAh powerbank can give us approximately 4 charges."

  • Fly-Safe

    You can take it with you on the plane. It must be carried only in your hand luggage, never in checked baggage. Up to 2 power banks per passenger are allowed. Always check the airline’s rules regarding in-flight use.
  • See all
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Description

Description

This power bank features a large capacity of 20000mAh, allowing you to charge your devices multiple times. Ideal for travel or daily use, its ports let you connect more than one device at the same time.

With a total of two output ports, one USB-A and one USB-C, the power bank is compatible with a wide range of devices.

It supports fast charging technology, providing faster charging times especially for devices that also have this capability. For devices that do not support fast charging, you can use the power bank without any issues, simply charging normally.

The Power Delivery technology ensures that connected devices, such as phones and tablets, charge quickly and safely by automatically adjusting the power. Notably, an iPhone or Android phone can charge up to 50% in just 20 minutes, provided it supports the technology.

  • Capacity: 20000mAh
  • Total ports: 2 (1 USB-A and 1 USB-C)
  • Fast charging capability
  • Power Delivery technology for safe and fast charging

This option is suitable for you if you need reliable power on the go and want to keep your devices charged anytime.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Dimensions

Capacity
20000 mAh

Capacity: 20000

The capacity indicates how much energy the power bank can store. The greater the capacity of the power bank, the more times it can charge your phone. It is measured in milliampere-hours (mAh).


"The most popular powerbank capacity for long autonomy." 2. "
" 3. "On average, a mobile phone battery has a capacity of 3500-4000mAh, so a 20000mAh powerbank can give us approximately 4 charges."
Colour
Black
Weight
345 gr

Weight: 345

The weight of the power bank depends mainly on its capacity, but also on the material and functionality it offers (such as additional charging ports, wireless charging, flashlight, etc). For example, 10000mAh power banks start at around 200g, while 20000mAh ones start at around 300g.


Heavy-duty powerbank. Not recommended for frequent transportation, mainly useful for periods when we do not have access to electricity for several days, e.g. camping.

Ports

USB-A Output Ports
1
USB-C Output Ports
1
Built-in Cable
-

Charging Technology

Power Delivery
-

Power Delivery

International fast charging standard via USB-C port. Essential for fast charging iPhone, iPad, newer Android devices, as well as Laptops / MacBooks (when the power is 45W or higher)
MagSafe
-

MagSafe

Magnetic wireless charging that snaps onto the back of iPhones (12 and newer).
Quick Charge
-

Quick Charge

Qualcomm fast charging technology, widely used in Android devices (Xiaomi, Motorola, Realme, etc.), mainly through traditional USB-A ports.
PPS
-

PPS

Special USB-PD technology. It is necessary to achieve the maximum charging speed (Super Fast Charging 25W / 45W) on Samsung Galaxy and Google Pixel devices.
Qi Wireless
-

Qi Wireless

Simple wireless charging without magnets (place the device on the power bank).

Features

Fly-Safe
Yes

Fly-Safe

You can take it with you on the plane. It must be carried only in your hand luggage, never in checked baggage. Up to 2 power banks per passenger are allowed. Always check the airline’s rules regarding in-flight use.
Pass-Through Charging
-

Pass-Through Charging

Charges devices at the same time while the power bank itself is charging from the wall outlet.
Solar
-

Solar

 It features a solar panel for slow recharging from the sun outdoors.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

This power bank features a large capacity of 20000mAh, allowing you to charge your devices multiple times. Ideal for travel or daily use, its ports let you connect more than one device at the same time.

With a total of two output ports, one USB-A and one USB-C, the power bank is compatible with a wide range of devices.

It supports fast charging technology, providing faster charging times especially for devices that also have this capability. For devices that do not support fast charging, you can use the power bank without any issues, simply charging normally.

The Power Delivery technology ensures that connected devices, such as phones and tablets, charge quickly and safely by automatically adjusting the power. Notably, an iPhone or Android phone can charge up to 50% in just 20 minutes, provided it supports the technology.

  • Capacity: 20000mAh
  • Total ports: 2 (1 USB-A and 1 USB-C)
  • Fast charging capability
  • Power Delivery technology for safe and fast charging

This option is suitable for you if you need reliable power on the go and want to keep your devices charged anytime.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Dimensions

Capacity
20000 mAh

Capacity: 20000

The capacity indicates how much energy the power bank can store. The greater the capacity of the power bank, the more times it can charge your phone. It is measured in milliampere-hours (mAh).


"The most popular powerbank capacity for long autonomy." 2. "
" 3. "On average, a mobile phone battery has a capacity of 3500-4000mAh, so a 20000mAh powerbank can give us approximately 4 charges."
Colour
Black
Weight
345 gr

Weight: 345

The weight of the power bank depends mainly on its capacity, but also on the material and functionality it offers (such as additional charging ports, wireless charging, flashlight, etc). For example, 10000mAh power banks start at around 200g, while 20000mAh ones start at around 300g.


Heavy-duty powerbank. Not recommended for frequent transportation, mainly useful for periods when we do not have access to electricity for several days, e.g. camping.

Ports

USB-A Output Ports
1
USB-C Output Ports
1
Built-in Cable
-

Charging Technology

Power Delivery
-

Power Delivery

International fast charging standard via USB-C port. Essential for fast charging iPhone, iPad, newer Android devices, as well as Laptops / MacBooks (when the power is 45W or higher)
MagSafe
-

MagSafe

Magnetic wireless charging that snaps onto the back of iPhones (12 and newer).
Quick Charge
-

Quick Charge

Qualcomm fast charging technology, widely used in Android devices (Xiaomi, Motorola, Realme, etc.), mainly through traditional USB-A ports.
PPS
-

PPS

Special USB-PD technology. It is necessary to achieve the maximum charging speed (Super Fast Charging 25W / 45W) on Samsung Galaxy and Google Pixel devices.
Qi Wireless
-

Qi Wireless

Simple wireless charging without magnets (place the device on the power bank).

Features

Fly-Safe
Yes

Fly-Safe

You can take it with you on the plane. It must be carried only in your hand luggage, never in checked baggage. Up to 2 power banks per passenger are allowed. Always check the airline’s rules regarding in-flight use.
Pass-Through Charging
-

Pass-Through Charging

Charges devices at the same time while the power bank itself is charging from the wall outlet.
Solar
-

Solar

 It features a solar panel for slow recharging from the sun outdoors.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.