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Crystal Audio PBK7K Power Bank 20000mAh 20W with USB-A Port and 2 USB-C Ports Power Delivery / Quick Charge Black
Power Banks

Crystal Audio PBK7K Power Bank 20000mAh 20W with USB-A Port and 2 USB-C Ports Power Delivery / Quick Charge Black

The Crystal Audio PBK7K power bank has a capacity of 20,000 mAh and a charging power of 20 W. It supports Power Delivery and Quick Charge 3.0, while the LCD screen displays battery level information....

The Crystal Audio PBK7K power bank has a capacity of 20,000 mAh and a charging power of 20 W. It supports Power Delivery and Quick Charge 3.0, while the LCD screen displays battery level information. Its built-in USB-C cable and multiple ports let you charge up to 4 devices simultaneously.

  • Capacity: 20,000 mAh
  • Charging power: 20 W
  • USB-A output ports: 1
  • ...
See full description See full description

Top specs

  • 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
32 53 €
Lowest price '26
Delivery Thu, 12 Nov - Mon, 16 Nov
4,50 € shipping cost
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Sent from Greece
From Hellasοrder 4.8 (12)
4.8 (12 reviews)
Greece
5+ pieces
See Mobile Telephony on the page of Hellasοrder
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Product report

Description

Description

The Crystal Audio PBK7K power bank has a capacity of 20,000 mAh and a charging power of 20 W. It supports Power Delivery and Quick Charge 3.0, while the LCD screen displays battery level information. Its built-in USB-C cable and multiple ports let you charge up to 4 devices simultaneously.

  • Capacity: 20,000 mAh
  • Charging power: 20 W
  • USB-A output ports: 1
  • USB-C output ports: 2
  • Built-in cable: USB-C
  • Battery type: Lithium-polymer
  • Display: LCD
  • Battery level indicator: Yes
  • Power Delivery: Yes
  • Quick Charge: Yes
  • Protection: Multi-protection system
  • Color: Black
  • Weight: 400 g

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."
Charging Wattage
20 W
Colour
Black
Weight
400 gr

Weight: 400

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
2
Built-in Cable
With integrated USB-C cable

Charging Technology

Power Delivery
Yes

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
Yes

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

Fast Charging
Yes

Fast Charging

Support for fast charging to significantly reduce waiting time.
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

Reviews (4)

Reviews

4.8
4
4.8
Review this product
  1. 3
  2. 1
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
  • Charging speed of devices
  • Charging speed of the power bank
  • Construction quality
  • Value for money
  • Weight
  • Volume

Reviews photos

Reviews photos
Reviews photos
Reviews photos

Reviews by our members

  • geotsir121983
    5
    3 out of 3 members found this review helpful
    geotsir121983

    Purchased from a well-known orange chain, it was one of the few options in the store. I did not regret buying it. I charge my e-cigarette, an iPad, and my phone in a satisfactory amount of time. It charges via a type C port, while for me an advantage is the built-in lightning, the presence of micro USB, and the battery percentage indicator!

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    Christina_Ant7576

    Verified purchase

  • 5
    suzana08love

    • Charging speed of devices
    • Charging speed of the power bank
    • Construction quality
    • Value for money
    • Weight
    • Volume
  • 4
    Panagiotis_Georgiou3360

    Verified purchase

Questions (1)

Questions

44 users have this product and can help you

Ask for the product
Victor_Bairaktaris

Πως το φορτιζω γιατι το εχω στον φορτιστη του κινητου μου 3 ωρες τωρα και δεν ανεβηκε καθολου, αν μπορει καποιος να μου πει θα το εκτιμουσα

Victor_Bairaktaris 2026-08-21
0 Replies Reply to
See all questions (1)

Description & Specifications

The Crystal Audio PBK7K power bank has a capacity of 20,000 mAh and a charging power of 20 W. It supports Power Delivery and Quick Charge 3.0, while the LCD screen displays battery level information. Its built-in USB-C cable and multiple ports let you charge up to 4 devices simultaneously.

  • Capacity: 20,000 mAh
  • Charging power: 20 W
  • USB-A output ports: 1
  • USB-C output ports: 2
  • Built-in cable: USB-C
  • Battery type: Lithium-polymer
  • Display: LCD
  • Battery level indicator: Yes
  • Power Delivery: Yes
  • Quick Charge: Yes
  • Protection: Multi-protection system
  • Color: Black
  • Weight: 400 g

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."
Charging Wattage
20 W
Colour
Black
Weight
400 gr

Weight: 400

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
2
Built-in Cable
With integrated USB-C cable

Charging Technology

Power Delivery
Yes

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
Yes

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

Fast Charging
Yes

Fast Charging

Support for fast charging to significantly reduce waiting time.
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.

Reviews (4)

4.8
4
4.8
Review this product
  1. 3
  2. 1
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
  • Charging speed of devices
  • Charging speed of the power bank
  • Construction quality
  • Value for money
  • Weight
  • Volume

Reviews photos

Reviews photos
Reviews photos
Reviews photos

Reviews by our members

  • geotsir121983
    5
    3 out of 3 members found this review helpful
    geotsir121983

    Purchased from a well-known orange chain, it was one of the few options in the store. I did not regret buying it. I charge my e-cigarette, an iPad, and my phone in a satisfactory amount of time. It charges via a type C port, while for me an advantage is the built-in lightning, the presence of micro USB, and the battery percentage indicator!

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    Christina_Ant7576

    Verified purchase

  • 5
    suzana08love

    • Charging speed of devices
    • Charging speed of the power bank
    • Construction quality
    • Value for money
    • Weight
    • Volume
  • 4
    Panagiotis_Georgiou3360

    Verified purchase
32,53 €
Free to a Skroutz Point
or   4,50 €   shipping cost