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header-product Goobay 53934 Power Bank Lithium Polymer 20000 mAh
51.49 €

Goobay 53934 Power Bank Lithium Polymer 20000 mAh

Power Bank Goobay 53934 53934 Photo 1
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Power Bank Goobay 53934 53934 Photo 1
Power Bank Goobay 53934 53934 Photo 2
Power Bank Goobay 53934 53934 Photo 3
Power Bank Goobay 53934 53934 Photo 4
Power Bank Goobay 53934 53934 Photo 5
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Short description

The Goobay 53934 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 for your devices. It includes 2 USB Type-A output ports and 1 USB Type-C port, allowing multiple devices to be charged simultaneously. The sleek black design makes it a stylish and practical choice for anyone needing portable power.
Available for order: 2084 pcs.
Warranty: 2 Years
SKU: 4487718
Manufacturer: WENTRONIC
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
23.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
28.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.00 kg)
Parcel couriers
Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
28.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
payment
Payment Methods:
Bank transfer
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Product information

Description

The Goobay 53934 Power Bank Lithium Polymer 20000 mAh is a robust portable battery designed for reliable outdoor and everyday use. It houses a high-capacity 20000 mAh lithium polymer cell and offers multiple output ports to keep smartphones, tablets and other USB-powered devices charged when mains power is unavailable.

Advantages

This power bank supports Quick Charge 3.0 for faster charging of compatible devices and provides three simultaneous charging outputs (two USB Type-A and one USB Type-C). Its universal charger compatibility and compact black design make it practical for travel, commuting and outdoor activities. The unit’s weight of approximately 0.548 kg balances capacity and portability.

Suitable for

  • Charging smartphones and tablets while travelling
  • Powering USB accessories during outdoor activities
  • Keeping devices charged during commuting or business trips

Key specifications

  • Battery capacity: 20000 mAh
  • Outputs: 2 × USB Type-A, 1 × USB Type-C
  • Fast charging: Quick Charge 3.0 support
  • Maximum simultaneously connected devices: 3
  • Weight: 0.548 kg
  • Colour: Black
  • Charger compatibility: Universal

How to use

Charge the power bank fully before first use using a compatible USB charger connected to the USB-C input (or specified input on the unit). Connect devices to the USB Type-A or USB-C output ports to start charging; the power bank will deliver power according to device needs and Quick Charge 3.0 capabilities where supported. Monitor the device’s indicator LEDs for remaining battery level and recharge the power bank when levels are low.

Usage recommendations

For optimal performance, store the power bank partially charged if not used for long periods, avoid exposing it to extreme temperatures, and use suitable quality cables. Use Quick Charge 3.0–capable cables and compatible devices to benefit from fast charging.

Specifications

Battery capacity:
20000 mAh
Number of simultaneously connected devices (max):
3
Weight:
0.548 kg
Product colour:
Black
Charger compatibility:
Universal
All features

Ports & interfaces

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

Sustainability

Sustainability compliance:
Yes

Design

LED indicators:
Y
Product colour:
Black
International Protection (IP) code: Device protection rating against dust and water according to the international IP standard.
IP44
Charger compatibility:
Universal
Shape:
Rectangle
Number of simultaneously connected devices (max):
3
Built-in flashlight:
Yes

Battery

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

Performance

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

Power

Input voltage:
5
Solar panel current:
220 mA
Port 1 output current:
2 A
Port 2 output current:
2 A
Solar panel power:
1.1 W
Solar panel voltage:
5
Port 3 output current:
2 A
Port 1 output power:
18 W
Port 2 output power:
18 W
Port 3 output power:
18 W

Operational conditions

Operating relative humidity (H-H):
10 - 80
Storage temperature (T-T):
-20 - 70
Operating temperature (T-T):
0 - 40
Storage relative humidity (H-H):
20 - 70

Packaging data

Package type:
Paper card box

Weight & dimensions

Weight:
0.548 kg
Cable length:
0.3 m
Height:
25 mm
Width:
85 mm
Depth:
178 mm

Packaging content

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

Certificates

Compliance certificates:
CE, WEEE

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Customer reviews

Customer questions

FAQ

How much does the Power Bank Goobay 53934 53934 cost, and is it available for purchase?

The price is 51.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2084 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 23.07.2026 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. 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 WENTRONIC 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 WENTRONIC 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 53934 53934?

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.