# AC-to-DC power adapter QOLTEC 50012 90W 20V 4.9A black

**URL:** https://aio.lv/en/product--qoltec-50012--206599
**Data updated:** 2026-01-21 10:49 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** QOLTEC
**Manufacturer code:** 50012
**EAN:** 5901878500126
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 24.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 20.24 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-50012--206599

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

QOLTEC 50012 is a 90 W AC-to-DC power adapter delivering 20 V at 4.9 A. Designed for use with compatible portable devices, it accepts 220–240 V input at 50–60 Hz and includes short-circuit protection. The adapter is non-adjustable, compact (57 × 32 × 132 mm), weighs 278 g and comes in black. Supplied as one unit per pack for reliable device power.

## Long description

The Qoltec 50012.90W power adapter is a compact indoor power unit designed to supply stable energy to laptops and other portable devices that accept an 18–20 V input. Finished in black, the adapter arrives as a complete set with one adapter unit and an AC mains cable, providing a ready-to-use solution for replacing a lost charger or keeping a spare at home or office.
Advantages
This QOLTEC adapter offers a consistent voltage range of 18–20 V suitable for compatible laptop models. Its compact, black enclosure is intended for indoor environments and simplifies cable management by including the AC cable in the package. The unit is optimized to deliver reliable power for routine charging and operation of devices that match the adapter's input voltage.
Suitable for
Replacing a lost or damaged laptop power adapter with an 18–20 V input requirement
Keeping a spare charger at home, office, or travel bag for portable devices that support the voltage range
Providing a stable indoor power source for devices during prolonged use
Key specifications
Input voltage range: 18–20 V
Intended use: indoor
Colour: black
Package contents: one adapter unit and one AC cable
Device category: power adapter for portable devices
How to use
Connect the AC cable to the adapter and plug it into a compatible mains socket. Attach the adapter's DC connector to the laptop or compatible device that accepts 18–20 V input. Verify the device is charging or receiving power and avoid forcing connectors; ensure connector polarity and size match the device's requirement before use. Use on a stable, dry surface and keep ventilation clear during operation.
Usage recommendations
Use the adapter indoors only, with devices that explicitly accept an 18–20 V input. Regularly inspect cables and connectors for damage, and disconnect from mains before cleaning or when not in use for extended periods.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Compatibility | HP Compaq, Acer, Asus, Dell, MSI, Fujitsu, Toshiba, Lenovo, Samsung, Sony, Acer, |
| Brand compatibility | Any brand |
| Purpose | Laptop |
| Power current type | AC-to-DC |

### Power

| Feature | Value |
|---|---|
| Output power | 90 W |
| Input voltage | 18-20 |
| Input current | 4.9 |
| Adjustable output voltage | Yes |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |

### Other features

| Feature | Value |
|---|---|
| Power supply type | Indoor |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | AC |
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Power adapter QOLTEC 50012 90W 20V cost, and is it available for purchase?

The price is 24.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 167 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 14.07.2026 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product colour, 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.

## Image

https://aio.lv/img/cache/product/206599/64540174_large.webp