# Goobay 53934 Power Bank Lithium Polymer 20000 mAh

**URL:** https://aio.lv/en/product--wentronic-53934--4487718
**Data updated:** 2025-12-29 17:30 (EET)
**Category:** Power Banks
**Manufacturer:** WENTRONIC
**Manufacturer code:** 53934
**EAN:** 4040849539343
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 51.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 42.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--wentronic-53934--4487718

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary 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.

## Long 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

### Ports & interfaces

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| Sustainability compliance | Yes |

### Design

| Feature | Value |
|---|---|
| LED indicators | Y |
| Product colour | Black |
| International Protection (IP) code | IP44 |
| Charger compatibility | Universal |
| Shape | Rectangle |
| Number of simultaneously connected devices (max) | 3 |
| Built-in flashlight | Yes |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Battery capacity | 20000 mAh |

### Performance

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| Package type | Paper card box |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.548 kg |
| Cable length | 0.3 m |
| Height | 25 mm |
| Width | 85 mm |
| Depth | 178 mm |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | USB Type-C |
| Quantity per pack | 1 pc(s) |

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | CE, WEEE |

## 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. More information about warranty service: https://aio.lv/en/warranty

### 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.

## Image

https://aio.lv/img/cache/product/4487718/65648175_large.webp