BlueBuilt Power Bank with Fast Charging 20,000mAh

Name: BlueBuilt Power Bank with Fast Charging 20,000mAh
Brand: BlueBuilt
SKU: 920002
Price: 51 EUR
Availability: SoldOut
Rating: 8.4 (115 reviews)

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Pros and cons

According to our power bank expert

With a 20,000mAh capacity, you can fully charge your smartphone 4 times.
With the 3 USB ports, you can charge more smartphones and tablets at the same time.
Thanks to the high power, you can quickly charge your devices with this power bank.
The large power bank only fits in a big bag or backpack, not in your pocket.

Description

With the BlueBuilt Power Bank with Fast Charging 20,000mAh, you can fully charge your smartphone about 4 times. This power bank has 3 USB ports, so you can charge 3 devices at the same time, like your tablet, smartphone, and earbuds. Thanks to the high power, you can recharge your battery superfast and use your device right away, even while it’s charging.

Key specs

20 Ah

Power Delivery 3.0, Quick Charge 3.0

Smartphone, Tablet

Standard USB-A, USB-C

Average

20 W

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Tips for using this product

Included by default

Manual
USB-C to USB-C cable 30cm
USB-A to USB-C cable 30cm
Storage pouch

Reviews

Rating

5 stars

4 stars

3 stars

2 stars

1 star

Rating per section

Capacity

Review is 10 out of 10.

Size

Review is 9,0 out of 10.

Build quality

Review is 10 out of 10.

Charging time

Review is 10 out of 10.

Most helpful reviews

Review is 5,2 out of 10.

Battery no longer usable after one and a half years

Unusable within a year and a half, battery swells

Fine until the battery swells after a year and a half and can no longer be used.

Review by:
Ward
Date:
19 April 2025
Translation:
Automatically translated from Nederlands

Review is 8,8 out of 10.

Cheap solid device.

GSM can be charged super fast.
Fairly compact.

The previous model broke right away. Gate was loosening internally causing constant loading stop. Thanks to Coolblue's fantastic warranty, a new device immediately and this one is fine. Very satisfied with it.

Review by:
Pascal
Date:
29 August 2023
Translation:
Automatically translated from Nederlands

Review is 8,4 out of 10.

Good power bank for simple charging devices

2x USB C 20W PD
1x USB A 18W PD
Fast charging with 18W (USB C)
Battery level difficult to read

Bought to replace an older 20Ah power bank. Charging time from 18 hours with the old power bank to 5 hours with this new power bank. What a difference! It can charge a laptop with PD (Microsoft Surface Laptop Go (Gen1)), only when it is turned off, only with port C2 (output only). iPad, iPhone, earbuds, headset charge fine and quite quickly.

What can you expect from this power bank? A comparison, the Apple power adapter USB C PD of 20W has the same specifications as this power bank when it comes to power. The specifications indicate that the output for USB is C1 and C2, PD 5V, 3A / 9V 2.2A / 12V / 1.67A. Although it wants to charge a Microsoft Surface Laptop Go (Gen 1) while it is on, this power bank cannot do this, regardless of the same output specifications. This power bank has 3 ports to charge your devices. 2x USB C with 20W per port and 1x USB A with a maximum of 18W. Please note that the maximum power is 20W, distributed over all ports. It is best to use 1 port for fast charging.

It seems that this power bank can charge via a power adapter as well as charge a device (Passthrough charging), but this ensures that the output of this power bank may go to 10W or 5W. This way you can charge your power bank and your device at the same time.

Review by:
Tim
Date:
6 September 2023
Translation:
Automatically translated from Nederlands

Insure your power bank

Coolblue takes care of everything, from taking out an insurance to repairs
For almost all accidents
More coverage in case of damage than your standard warranty
No deductible

How do I insure my power bank?

First, add your power bank to your shopping cart. On the next page, choose the Protection Plan below. You always have a 30-day return window and pay no deductible in case of damage.

2-year Protection Plan
7,99
one-time
3-year Protection Plan
8,99
one-time

Specifications

Product

Product
	Product number	920002
	Manufacturer code	BBPDPB20
	Brand	BlueBuilt
	Processing of your defect	Via Coolblue
	Old product returned for free

Key properties

Key properties
	Number of charges smartphone	4
	Fast charge type	Power Delivery 3.0, Quick Charge 3.0
	Recommended for product type	Smartphone, Tablet
	Easy to take with you	Average
	Battery/battery capacity	20 Ah
	Type of USB port	Standard USB-A, USB-C
	Power	20 W
	Number of USB ports	3
	Type of USB cable included	USB-A to USB-C, USB-C to USB-C

Physical properties

Physical properties
	Height	13,5 cm
	Width	6,5 cm
	Depth	2,55 cm
	Weight	413 g
	Easy to take with you	Average
	Color	Black
	Material	Plastic
	Water-resistant
	Shockproof

Charging properties

Charging properties
	Battery/battery capacity	20 Ah
	Number of charges smartphone	4
	Wireless charging
	Fast charge type	Power Delivery 3.0, Quick Charge 3.0
	Power bank chargeable via fast charging

Slots

Slots
	Lightning connector
	Type of USB port	Standard USB-A, USB-C
	Number of USB-C ports	2
	Output or Input USB-C port	Both
	Power USB-C port	20 W
	Fast charging USB-C port
	Type of fast charging USB-C port	Power Delivery 3.0
	Output or Input second USB-C port	Output
	Power second USB-C port	20 W
	Fast charging second USB-C port
	Type of fast charging second USB-C port	Power Delivery 3.0
	Number of female standard USB-A ports	1
	Power standard USB-A port	18 W
	Fast charging standard USB-A port
	Type of fast charging basic USB-A port	Quick Charge 3.0
	A / C connection

Extra functionalities

Extra functionalities
	Solar cell
	Battery level indicator
	Flashlight

Connectivity

Connectivity
	Type of USB cable included	USB-A to USB-C, USB-C to USB-C
	Type of included second USB cable	USB-A to USB-C

Compatibility

Compatibility
	Recommended for product type	Smartphone, Tablet
	Made for brand	Apple, Huawei, Motorola, Samsung, Sony, Universal, Xiaomi

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BlueBuilt Power Bank with Fast Charging 20,000mAh

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Product information

Ask me anything about this product

Pros and cons

Description

Key specs

Tips for using this product

Included by default

Reviews

Rating

Rating per section

Most helpful reviews

Battery no longer usable after one and a half years

Cheap solid device.

Good power bank for simple charging devices

Insure your power bank

How do I insure my power bank?

Specifications

Product

Key properties

Physical properties

Charging properties

Slots

Extra functionalities

Connectivity

Compatibility

Related products

Product information

Ask me anything about this product

Pros and cons

Description

Key specs

Tips for using this product

Included by default

Reviews

Rating

Rating per section

Most helpful reviews

Battery no longer usable after one and a half years

Cheap solid device.

Good power bank for simple charging devices

Customer reviews: