# Power supply BLOW for notebooks Lenovo 4287# — 20 V 3.25 A 65 W (plug 11×4.5 mm)

**URL:** https://aio.lv/en/product--blow-4287--1881059
**Data updated:** 2026-03-07 11:01 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** BLOW
**Manufacturer code:** 4287#
**EAN:** 5900804089865
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 14.87 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blow-4287--1881059

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

AC adapter BLOW 4287# designed for Lenovo notebooks, outputs 20 V at 3.25 A for a maximum power of 65 W. Includes a cylindrical DC plug with dimensions 11 × 4.5 mm. Provides regulated power for charging and running compatible laptops, suitable for replacement or spare use at home, office, or travel where compatible Lenovo models require 20 V/3.25 A input.

## Long description

AC adapter BLOW 4287# is a replacement power supply designed to deliver regulated 20 V at 3.25 A (65 W) for compatible Lenovo notebooks. The adapter provides a steady DC output through a cylindrical plug with a 11 × 4.5 mm connector, enabling charging and operation of laptops that require this voltage and current. Its compact form factor and single-voltage output make it suitable as a spare or replacement unit for home, office, or travel use.
Advantages
The adapter offers a stable 20 V / 3.25 A output that supports normal laptop operation and battery charging without overvoltage. Its 11 × 4.5 mm cylindrical plug matches the power inlet of many Lenovo models that accept this connector size. The unit is lightweight and compact for easy transport, and includes built-in regulation and basic protection against short circuits and overcurrent to maintain safe operation under typical use conditions.
Suitable for
Replacing a lost or damaged Lenovo notebook charger that requires 20 V, 3.25 A input
Keeping as a spare charger for travel or remote work
Powering compatible laptops during stationary use where continuous mains power is needed
Key specifications
Output voltage: 20 V DC
Output current: 3.25 A
Maximum power: 65 W
Connector type: cylindrical DC plug, 11 × 4.5 mm
Input: mains AC (typical for notebook adapters)
Form factor: external AC adapter (brick-style) with detachable or fixed mains lead depending on configuration
How to use
Connect the adapter to mains power using the supplied or compatible mains lead, then insert the 11 × 4.5 mm DC plug into the laptop power inlet until it seats firmly. Ensure the laptop is switched off or in a safe state during initial connection. Check that the laptop indicates charging or accepts external power. Disconnect by removing the DC plug from the laptop and then unplugging the mains lead when power is no longer required.
Usage recommendations
Use this adapter only with laptops that explicitly accept a 20 V DC input and the 11 × 4.5 mm plug. Avoid using with devices that require different voltage, polarity, or connector dimensions. Keep the adapter in a ventilated area during operation, avoid exposure to water or extreme temperatures, and inspect cables and connectors periodically for damage.

## FAQ

### How much does the BLOW power supply for Lenovo 4287# 20V 3.25A cost, and is it available for purchase?

The price is 17.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 42 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 08.07.2026 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/1881059/3858564_large.webp