# Laptop power adapter Energy4U CA31, 91 W, 19 V, 4.74 A

**URL:** https://aio.lv/en/product--energy4u-ca31--11836575
**Data updated:** 2026-03-09 14:50 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** Energy4U
**Manufacturer code:** CA31
**EAN:** 5901571080598
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 12.80 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--energy4u-ca31--11836575

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Energy4U CA31 laptop power adapter provides 91 W output at 19 V and 4.74 A. It is designed to supply stable DC power to compatible laptops and replace original adapters with matching voltage and current. Key features include fixed 19 V output, 4.74 A current rating and 91 W power capacity — suitable for charging and running notebooks during everyday use and travel.

## Long description

Energy4U CA31 laptop power adapter supplies stable DC power with a fixed output of 19 V and a current capacity of 4.74 A, delivering up to 91 W of power. Designed as a replacement or spare for compatible notebooks, this adapter provides the necessary electrical specifications to charge batteries and run laptops during everyday use and travel. The compact external power brick and integrated cable simplify connectivity and minimise setup time.
Advantages
The adapter offers a reliable 19 V output and a clear 4.74 A rating that match many laptop power requirements, ensuring consistent charging and device operation. With a 91 W power capacity, it supports both battery charging and sustained laptop performance under typical workloads. The Energy4U CA31 is built to be a straightforward direct-replacement option for systems requiring the same voltage and current, reducing compatibility uncertainty when the connector and device specifications align.
Suitable for
 Replacing lost or damaged laptop power adapters with matching voltage/current
 Charging and powering notebooks during travel or remote work
 Using as a secondary adapter at home or in the office
 Powering laptops while performing everyday tasks such as web browsing, office work, and media playback
Key specifications
 Output voltage: 19 V
 Output current: 4.74 A
 Power capacity: 91 W
 Connector type: fixed cable to laptop (verify physical plug compatibility)
 Design: external AC adapter (power brick) with mains input
How to use
Confirm that your laptop requires a 19 V supply and that 4.74 A (or lower) is within acceptable current parameters for your device. Connect the adapter to mains power using the included mains lead, then plug the adapter's output connector into the laptop power inlet until it seats securely. When connected, the adapter will provide power to run the laptop and charge the battery where applicable. Disconnect from mains before stowing the adapter for transport.
Usage recommendations
Use the adapter only with laptops that specify 19 V and accept up to 4.74 A output; check the laptop's power input specifications and connector polarity before use. Avoid exposing the adapter to liquids, extreme temperatures, or prolonged direct sunlight. For best results, allow adequate ventilation around the power brick during operation and replace the adapter if the cable or housing shows signs of damage.

## FAQ

### How much does the Energy4U CA31 laptop power adapter 91 W 19 V cost, and is it available for purchase?

The price is 15.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 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 09.07.2026 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 Energy4U 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 Energy4U 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/11836575/67236203_large.webp