# Laptop power adapter Energy4U CA02 — 40 W, 20 V, 2 A, 2.5 mm DC plug

**URL:** https://aio.lv/en/product--energy4u-ca02--11836724
**Data updated:** 2026-03-09 14:50 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** Energy4U
**Manufacturer code:** CA02
**EAN:** 5901571080338
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 14.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 11.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--energy4u-ca02--11836724

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

Energy4U CA02 is a laptop power adapter rated 40 W with output 20 V and 2 A, featuring a 2.5 mm DC connector. It supplies stable power for compatible laptops and replacements, suitable for charging and running devices that accept 20 V/2 A input. Practical for home, office, travel, and as an on‑hand spare charger.

## Long description

Energy4U CA02 is a 40 W laptop power adapter with a 20 V, 2 A DC output and a 2.5 mm round plug. Designed to provide a stable low-voltage supply, this compact adapter is suitable as a replacement or spare charger for notebooks and other portable devices that accept a 20 V/2 A input via a 2.5 mm connector. The adapter is intended for everyday use at home, in the office or while traveling and supports continuous charging and device operation within its rated power limits.
Advantages
The adapter delivers steady 20 V/2 A output power with overcurrent protection and stable voltage regulation to reduce the risk of damage to compatible devices. Its 2.5 mm DC plug ensures a common, secure connection to supported laptop models. The unit’s 40 W rating offers sufficient power for many compact laptops and lightweight notebooks while keeping size and weight low for portability. Built with standard safety features, the adapter provides reliable operation for typical charging and powering tasks.
Suitable for
Charging laptops and netbooks that accept 20 V/2 A input via a 2.5 mm DC jack
Using as a replacement or spare power adapter at home or office
Travel use where compact, lightweight chargers are needed
Powering compatible devices during prolonged desk use
Key specifications
Output voltage: 20 V
Output current: 2 A
Output power: 40 W
Connector type: 2.5 mm round DC plug
Use case: AC-to-DC external power adapter for laptops and compatible devices
How to use
Connect the adapter to a suitable mains outlet using the supplied power lead or an appropriate IEC/region-specific cable. Insert the 2.5 mm DC plug firmly into the device’s power jack. Verify that the target device accepts a 20 V/2 A input before use. When connected, the adapter supplies power and charges the device battery according to the device’s charging circuitry. Disconnect from mains and the device when not in use or during long storage.
Usage recommendations
Use this adapter with devices explicitly rated for 20 V and up to 2 A input and with matching 2.5 mm DC jacks. Avoid forced connections to incompatible ports, and keep the adapter ventilated and away from liquids. If the device requires higher power than 40 W, choose a higher-rated adapter to prevent underpowering or equipment instability.

## FAQ

### How much does the Energy4U CA02 laptop adapter 40 W 20 V cost, and is it available for purchase?

The price is 14.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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 10.07.2026 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/11836724/67236337_large.webp