# GaN Charger QOLTEC 51823 20W USB power adapter, 5V/20V output

**URL:** https://aio.lv/en/product--qoltec-51823--11105562
**Data updated:** 2026-02-14 19:31 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** QOLTEC
**Manufacturer code:** 51823
**EAN:** 5901878518237
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-51823--11105562

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Compact GaN charger QOLTEC 51823 delivers up to 20W power with 5V and 20V output options. Designed for charging phones, tablets and other USB-powered devices, it uses gallium nitride technology for smaller size and higher efficiency. Suitable for travel and daily use, it provides fast, reliable charging while saving space in bags and on desks.

## Long description

Compact GaN Charger QOLTEC 51823 delivers up to 20W power with selectable 5V and 20V output options for efficient charging of phones, tablets and other USB-powered devices. Using gallium nitride (GaN) technology, the adapter achieves a smaller footprint and improved energy efficiency compared with conventional silicon chargers, making it suitable for travel, commuting and everyday desk use.
Advantages
The GaN-based design reduces size and heat generation while maintaining stable power delivery up to 20W. Dual-voltage output supports both standard 5V charging for most mobile devices and higher-voltage 20V output for compatible tablets and accessories that require faster or higher-voltage input. The compact housing and lightweight construction make the adapter convenient to store in bags or pockets without adding bulk.
Suitable for
 Charging smartphones and feature phones
 Powering tablets and small USB-C laptops that accept up to 20W input
 Charging wireless headphones, earbuds and wearable devices
 Portable chargers and power banks that accept USB input
 Travel and everyday carry when limited space is important
Key specifications
 Maximum output power: 20W
 Output voltages: 5V and 20V selectable
 Connector type: USB (adapter provides USB output)
 Technology: Gallium nitride (GaN) for reduced size and improved efficiency
 Form factor: Compact, lightweight travel adapter
How to use
Connect the GaN Charger to a mains socket and attach a compatible USB cable between the adapter and your device. Ensure the device supports the chosen voltage: 5V for standard mobile devices and 20V for compatible tablets or accessories. Charging begins automatically once a connection is established. Unplug the adapter from the mains when charging is complete or when not in use.
Usage recommendations
Use only certified USB cables that support the required current and voltage. Avoid exposing the adapter to liquids and extreme temperatures. For optimal lifespan, store the charger in a dry place and disconnect from power when not in use.

## FAQ

### How much does the GaN Charger QOLTEC 51823 20W cost, and is it available for purchase?

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 50 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 06.07.2026 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, 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 QOLTEC 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 QOLTEC 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

## Image

https://aio.lv/img/cache/product/11105562/61793196_large.webp