# Laptop power adapter Energy4U CA18 — 12 V, 3.3 A, 40 W, 0.7 mm plug

**URL:** https://aio.lv/en/product--energy4u-ca18--11836866
**Data updated:** 2026-03-09 14:50 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** Energy4U
**Manufacturer code:** CA18
**EAN:** 5901571082189
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 13.21 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--energy4u-ca18--11836866

## 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

Energy4U CA18 is a 40 W laptop power adapter delivering 12 V at 3.3 A with a 0.7 mm barrel plug. Designed to power and charge compatible laptops and portable devices, it provides regulated DC output and a compact form factor for everyday use, travel, and replacement of worn or lost chargers. Check connector size and voltage compatibility before use.

## Long description

Energy4U CA18 is a compact 40 W laptop power adapter that delivers a regulated 12 V DC output at 3.3 A through a 0.7 mm barrel plug. It is designed as a replacement or spare charger for compatible laptops and portable electronics, offering stable power delivery and a lightweight form factor suitable for everyday use and travel. Before use, verify the device's required input voltage, polarity and connector dimensions to ensure compatibility.
Advantages
The adapter provides a consistent 12 V output with a maximum current of 3.3 A, supporting reliable charging and stable operation of compatible devices. Its 0.7 mm barrel plug offers a precise physical fit for devices that require that connector size. With a 40 W power rating the unit balances energy delivery and compactness, making it practical for use at home, in the office or on the go.
Suitable for
Replacing a worn or lost laptop charger with matching voltage and connector size
Powering small portable devices that accept 12 V, 3.3 A input via a 0.7 mm plug
Travel use when a compact, lightweight adapter is needed
Key specifications
Output voltage: 12 V DC
Maximum output current: 3.3 A
Power rating: 40 W
Connector type: 0.7 mm barrel plug
Output regulation: regulated DC output for stable voltage
Form factor: compact, lightweight adapter housing
How to use
Confirm that your laptop or device accepts 12 V input and that the barrel connector and polarity match the adapter. Connect the 0.7 mm plug firmly into the device input, then plug the adapter into an appropriate AC mains outlet. Allow the device to charge or operate as normal. Disconnect by first unplugging from the mains and then removing the connector from the device when charging is complete or when the device is powered down.
Usage recommendations
Use the adapter in a well-ventilated area and avoid covering it while in operation to prevent heat buildup. Do not use the adapter with devices requiring different voltage, higher current, or different connector polarity. Inspect the cable and connector for damage before each use and replace the adapter if any wear or defects are found.

## FAQ

### How much does the Energy4U CA18 laptop adapter 12 V 3.3 A cost, and is it available for purchase?

The price is 15.99 € (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 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/11836866/67236456_large.webp