# AC Adapter Lenovo 65W Round Tip GX20K78592-RFB – 65W power supply for Lenovo laptops with round connector

**URL:** https://aio.lv/en/product--lenovo-gx20k78592-rfb--4324405
**Data updated:** 2026-04-30 18:26 (EEST)
**Category:** Portable Device Chargers
**Manufacturer:** Lenovo
**Manufacturer code:** GX20K78592-RFB
**EAN:** 5706998961204
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 70.49 €
**Prices and availability valid until:** 2026-08-16 23:59
**Price without VAT (21%):** 58.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-gx20k78592-rfb--4324405

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 31.07.2026 | free |
| Pickup points | 05.08.2026 | 1.79 EUR |
| Courier delivery to door | 05.08.2026 | 4.99 EUR |

## Summary description

Lenovo AC Adapter 65W Round Tip GX20K78592-RFB is a replacement power supply designed for compatible Lenovo laptops with a round connector. It delivers 65 watts of output power to charge the laptop battery and run the device. The adapter is intended for everyday use at home, office, or on the go and provides a stable power source for charging and device operation.

## Long description

Lenovo 65W Round Tip GX20K78592-RFB AC Adapter is a compact replacement power supply designed for Lenovo laptops that use a round connector. It provides up to 65 watts of output to charge the battery and run the device, delivering a stable power source for everyday use at home, in the office or while traveling. The adapter includes the main power brick and an attached cable with a round tip to match compatible Lenovo models.
Advantages
This 65W AC adapter offers reliable power delivery suitable for light to moderate laptop workloads and charging. Its compact form factor makes it easy to carry in a laptop bag, while the round-tip connector provides a direct fit for supported Lenovo models. The adapter is built to supply consistent voltage and current for everyday charging needs, and it supports continuous device operation during use.
Suitable for
Charging Lenovo laptops with a round DC input connector that accept 65W power.
Everyday use at home, office, classroom, or hotel where a compact spare adapter is needed.
Replacing a lost or damaged original power adapter with a functional equivalent.
When it may not be suitable
This adapter may not be suitable for high-performance laptops that require higher wattage than 65W for full performance or for models that use a different connector type (for example USB-C or rectangular tips). It is not intended for devices that require specialized charging protocols beyond standard DC power delivery.
Key specifications
Output power: 65 W
Connector type: round DC tip compatible with specified Lenovo inputs
Intended use: laptop power supply and battery charging
Typical operating environments: home, office, travel
How to use
Connect the adapter to a mains power outlet using the supplied AC cable, then insert the round tip firmly into the laptop's power jack. Verify that the laptop indicates charging (battery or charging LED/icon). If the laptop does not charge, disconnect and inspect the connector and power outlet; ensure compatibility with the laptop's input requirements before repeated attempts. Unplug the adapter from the mains when not in use or during prolonged storage.
What to consider before purchase
Confirm that your Lenovo laptop uses a round DC connector and accepts 65W input.
Verify physical compatibility of the round tip with your laptop's power jack.
Check that 65W power is sufficient for your device's performance and charging needs.
If your laptop uses USB-C charging or requires higher wattage, choose a different adapter.
Usage recommendations
Use the adapter on a stable, flat surface with adequate ventilation. Avoid covering the power brick during operation to prevent heat buildup. Replace the adapter if the cable, connector, or housing shows signs of damage, and use only on compatible Lenovo laptops that specify a 65W round-tip adapter.

## FAQ

### How much does the Lenovo AC Adapter 65W Round Tip GX20K78592-RFB cost, and is it available for purchase?

The price is 70.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 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 31.07.2026 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 Lenovo 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 Lenovo 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/4324405/66022230_large.webp