# Power adapter SIL 77011277 90W 19.5V with 4.5×3.0 mm barrel connector

**URL:** https://aio.lv/en/product--sil-77011277--4363697
**Data updated:** 2025-12-29 17:17 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** SIL
**Manufacturer code:** 77011277
**EAN:** 77011277
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 54.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 45.45 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sil-77011277--4363697

## 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

AC power adapter SIL model 77011277 delivering 90W output at 19.5V with a 4.5×3.0 mm barrel connector. Designed to replace or serve as a spare for compatible laptops and portable devices requiring this voltage and connector size. Provides stable power for charging and operation, with compact form for travel and everyday use.

## Long description

Original replacement power adapter for Dell laptops compatible with models that require 19.5V and a 4.5×3.0 mm barrel connector. The SIL 77011277 adapter supplies up to 90W of power and is intended as a direct replacement or spare unit. The package does not include the mains power cord; the adapter is compact for desktop and travel use.
Advantages
The adapter delivers a stable 19.5V output at up to 90W, matching Dell power requirements for supported Inspiron and Latitude models. Its 4.5×3.0 mm barrel connector fits the specified laptop input, and the unit is a direct-compatible replacement that preserves device charging and operation. The compact design simplifies transport and storage.
Suitable for
Dell Inspiron 7590
Dell Inspiron 7591
Dell Inspiron 7791
Dell Latitude 7202
Key specifications
Brand: SIL
Model: 77011277
Output power: 90W
Output voltage: 19.5V
Connector size: 4.5×3.0 mm barrel
Includes: power adapter only (mains cable not included)
How to use
Connect the adapter to the laptop DC input via the 4.5×3.0 mm barrel connector, then plug a compatible mains power cord (not included) into the adapter and into an AC outlet. Ensure the laptop model and input specifications match the adapter’s 19.5V and connector size before use. Disconnect from the mains when not in use and avoid exposing the adapter to liquids or extreme temperatures.
Usage recommendations
Use only a properly rated mains cable and do not force the barrel connector; verify polarity and connector fit on the laptop. If the laptop shows charging errors, check connections and consult the laptop manual or an authorized service provider.

## FAQ

### How much does the Power adapter SIL 77011277 90W 19.5V cost, and is it available for purchase?

The price is 54.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 SIL 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 SIL 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/4363697/51191732_large.webp