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header-product Goobay 53939 Power Bank Lithium Polymer 20000 mAh
25.49 €

Goobay 53939 Power Bank Lithium Polymer 20000 mAh

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Power Bank Goobay 53939 53939 Photo 1
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Short description

The Goobay 53939 Power Bank features a robust 20000 mAh Lithium Polymer battery, ensuring reliable power on the go. With Quick Charge 3.0 technology, it provides fast charging capabilities. The power bank has a battery voltage of 3.7 V and includes 1 USB Type-A output port and 2 USB Type-C ports, delivering an output current of 2 A. Its sleek black design makes it a stylish and practical choice for charging devices anytime, anywhere.
Available at price 25.49 €: 43 pcs.
Total available for order: 47 pcs.
Warranty: 2 Years
SKU: 5095625
delivery
to the Customer Service Center at Kengaraga 2b, Riga
30.06.2026 {{selectedOffer.officeDeliveryString}}
free
Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
30.06.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
03.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.47 kg)
Parcel couriers
Latvijas Pasts pakomāts / Unisend / DPD Paku skapis / Omniva / Venipak Pickup / Venipak Locker / Latvijas Pasts nodaļa
03.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
payment
Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
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Product information

Description

The Goobay 53939 Power Bank Lithium Polymer 20000 mAh is a portable battery pack designed to provide extended runtime for smartphones, tablets and other USB-powered devices. It features a 20000 mAh lithium polymer cell, Quick Charge 3.0 compatibility and a compact black housing for everyday use.

Advantages

This power bank combines high capacity with Quick Charge support to deliver faster recharges for compatible devices. It offers three output ports (one USB Type-A and two USB Type-C) so up to three devices can be charged simultaneously. A status display informs about remaining battery level, and the 3.7 V battery voltage ensures stable output. The unit is lightweight for its capacity, making it convenient for travel and daily use.

Suitable for

  • Charging smartphones and headsets on the go
  • Recharging tablets during travel
  • Powering multiple USB devices simultaneously (up to 3)

Key specifications

  • Model: Goobay 53939
  • Battery capacity: 20000 mAh (Lithium Polymer)
  • Battery voltage: 3.7 V
  • Output ports: 1 × USB Type-A, 2 × USB Type-C
  • Output current: up to 2 A
  • Quick Charge: compatible with Quick Charge 3.0
  • Max simultaneous devices: 3
  • Colour: Black
  • Weight: 0.374 kg
  • Compatible devices: headphones, mobile phones, tablets

How to use

Connect the power bank to your device using the appropriate USB cable (Type-A or Type-C). If your device supports Quick Charge and a compatible cable is used, the power bank will provide accelerated charging. Monitor the built-in status display to check remaining battery level and recharge the power bank when the indicator shows low charge. Follow the manufacturer’s instructions for charging the power bank itself and avoid leaving it connected to power sources for prolonged periods after fully charged.

Usage recommendations

For best results, use good-quality charging cables and compatible Quick Charge-enabled devices to achieve faster charging. Store the power bank in a cool, dry place and avoid exposing it to high temperatures. Do not disassemble the unit and keep it away from water.

Specifications

Battery capacity:
20000 mAh
Number of simultaneously connected devices (max):
3
Weight:
0.374 kg
Product colour:
Black
Charger compatibility:
Headphones/Headset, Mobile phone/Smartphone, Tablet
All features

Sustainability

Sustainability compliance:
Yes

Design

LED indicators:
Status
Product colour:
Black
Housing material:
Aluminium
On/off switch:
Yes
International Protection (IP) code: Device protection rating against dust and water according to the international IP standard.
IP20
Charger compatibility:
Headphones/Headset, Mobile phone/Smartphone, Tablet
Shape:
Rectangle
Number of simultaneously connected devices (max):
3

Battery

Battery technology:
Lithium Polymer (LiPo)
Battery capacity:
20000 mAh

Ports & interfaces

Input interface:
Micro-USB + USB Type-C
Micro-USB connector:
Yes
USB Type-A output ports:
1
Micro-USB connectors quantity:
1
USB Type-C ports quantity:
2

Power

Output voltage:
5
Input current:
3
Output current:
2 A
Port 1 output current:
2 A
Port 2 output current:
2 A
Port 1 output power:
18 W
Port 2 output power:
22.5 W
Port 3 output power:
18 W

Operational conditions

Storage temperature (T-T):
-5 - 30
Operating temperature (T-T):
0 - 45

Certificates

Certification:
BattG
Compliance certificates:
CE, WEEE

Packaging data

Package type:
Hanging box

Performance

Battery voltage:
3.7 V
Fast charging:
Yes
Battery capacity:
74 Wh
Charging source:
USB
USB Power Delivery (USB PD):
Yes
Fast charging technology:
Quick Charge 3.0
USB Power Delivery up to:
22.5 W

Weight & dimensions

Weight:
0.374 kg
Height:
27.5 mm
Width:
69 mm
Depth:
140 mm
USB Type-C cable length:
0.3 mm

Packaging content

Cables included:
USB Type-C to USB Type-A
Quantity per pack:
1 pc(s)

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Stock data
Warehouse Stock Delivery to the store Store Price
WH155 43 30.06.2026 Best delivery 25.49 € Best price
WH355 4 03.07.2026 45.99 €
25.49 €
Stock: 43
Delivery Date: 30.06.2026 Best delivery
Warehouse: WH155
45.99 €
Stock: 4
Delivery Date: 03.07.2026
Warehouse: WH355

Customer reviews

Customer questions

FAQ

How much does the Power Bank Goobay 53939 53939 cost, and is it available for purchase?

The price is 25.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 47 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 30.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All GOOBAY products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized GOOBAY service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: battery capacity, number of simultaneously connected devices (max), weight, product colour, charger compatibility, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for Power Bank Goobay 53939 53939?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.