# Power supply BLOW 4286# for notebooks Lenovo 20 V 4.5 A 90 W 7.9×5.5 mm

**URL:** https://aio.lv/en/product--blow-4286--175049
**Data updated:** 2026-03-07 10:51 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** BLOW
**Manufacturer code:** 4286#
**EAN:** 5900804064022
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 21.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 18.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blow-4286--175049

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

AC adapter BLOW 4286# is a replacement power supply for Lenovo notebooks with 20 V output, 4.5 A current and 90 W power rating. It features a 7.9 × 5.5 mm barrel connector and is designed for charging and powering compatible laptops. Suitable for home, office and travel use where Lenovo devices require these electrical specifications.

## Long description

AC adapter BLOW 4286# is a replacement power supply designed for Lenovo notebooks that require a 20 V output, 4.5 A current and up to 90 W power. The adapter delivers stable DC power through a 7.9 × 5.5 mm barrel connector and is intended for charging and operating compatible laptops in home, office and travel environments. The compact design and standard barrel plug make it suitable for users who need a reliable external power source that matches the specified electrical requirements.
Advantages
This power supply provides a rated 20 V and 4.5 A output with a 90 W power rating, offering consistent power delivery for compatible Lenovo notebooks. The 7.9 × 5.5 mm barrel connector ensures physical compatibility with models that use this connector size. The adapter is lightweight and portable for travel or commuting, and it is designed to replace original chargers when the original is lost, damaged or unavailable.
Suitable for
 Charging Lenovo notebooks that accept 20 V, 4.5 A and a 7.9 × 5.5 mm barrel connector
 Using as a spare or replacement charger at home or in the office
 Carrying as a travel adapter for compatible Lenovo laptops
Key specifications
 Output voltage: 20 V DC
 Output current: 4.5 A
 Maximum power: 90 W
 Connector type and size: barrel plug, 7.9 × 5.5 mm
 Intended device type: notebook / laptop
 Use cases: charging and powering compatible laptops
How to use
Connect the adapter's AC input cable to a suitable mains outlet, then insert the 7.9 × 5.5 mm barrel connector into the laptop's power jack. Ensure the device is powered off or in a low-power state during the first connection if recommended by the laptop manufacturer. Verify that the laptop accepts the connection and begins charging; monitor the connector for a secure fit and avoid placing strain on the cable during use.
Usage recommendations
Use the adapter only with laptops that explicitly accept a 20 V, 4.5 A input and the specified barrel connector size. Avoid exposure to moisture, excessive heat or mechanical damage, and disconnect the adapter from the mains when not in use. If the laptop exhibits unusual behavior while using the adapter, stop using it and consult the laptop manufacturer's support or a qualified technician.

## FAQ

### How much does the BLOW 4286# power supply for Lenovo 20V 4.5A cost, and is it available for purchase?

The price is 21.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 03.07.2026 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 BLOW 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 BLOW 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/175049/51253188_large.webp