# Power inverter Volt Sinus 4000 Plus 4000W 12V — pure sine, 4000 W continuous, 12 V DC input

**URL:** https://aio.lv/en/product--volt-3sir400012--10862605
**Data updated:** 2026-03-07 18:08 (EET)
**Category:** Power Inverters
**Manufacturer:** Volt
**Manufacturer code:** 3SIR400012
**EAN:** 5907768270018
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 327.99 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 271.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--volt-3sir400012--10862605

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Volt Sinus 4000 Plus is a 12 V DC to AC power inverter with 4000 W continuous output providing pure sine wave AC suitable for sensitive electronics. Designed to convert vehicle or battery bank 12 V supply to mains-like AC power, it supports tools, appliances and AV equipment requiring stable waveform. Typical uses include mobile power for work sites, camping, backup power and vehicle installations.

## Long description

Volt Sinus 4000 Plus 4000W 12V is a DC-to-AC power inverter that converts 12 V vehicle or battery-bank supply into a stable, pure sine wave AC output with a continuous rated power of 4000 W. The unit provides mains-like alternating current suitable for use with sensitive electronics, power tools, household appliances and audiovisual equipment. Its pure sine output reduces the risk of interference, overheating or malfunction in devices that require a clean waveform.
Advantages
The inverter delivers a continuous 4000 W output with pure sine wave performance, ensuring compatibility with a wide range of loads including sensitive electronics and motors. Designed for 12 V DC input, it enables direct use from vehicle batteries or standalone battery banks. The stable output waveform improves efficiency and reduces audible and electrical noise compared with modified-sine inverters. Built-in protections typically found on units of this class — such as overvoltage, undervoltage, overload and short-circuit safeguards — help protect both the inverter and connected equipment during operation.
Suitable for
 Powering laptops, audio/video equipment and other sensitive electronics
 Running power tools, compressors and small appliances at remote worksites
 Providing backup power for home devices during outages
 Mobile and vehicle installations for camping, RVs or service vehicles
Key specifications
 Continuous AC output power: 4000 W
 Input voltage: 12 V DC
 Output waveform: pure sine wave
 Suitable for sensitive electronics and inductive loads
 Typical protective features: overvoltage, undervoltage, overload and short-circuit protection
How to use
Install the inverter in a well-ventilated, dry location and connect it to a suitable 12 V battery or vehicle electrical system using adequately sized cables and secure terminals. Before connecting loads, verify input voltage and observe polarity to prevent damage. Switch the inverter on and connect AC appliances progressively, starting with lower-power devices to confirm stable operation. Monitor the inverter temperature and battery state during extended use to avoid deep discharge or thermal shutdown.
Usage recommendations
For reliable performance, use appropriately rated cables and battery capacity to match the 4000 W continuous demand. Avoid running the inverter at maximum load for prolonged periods without adequate cooling and battery capacity. When powering sensitive electronics, allow the inverter to stabilize for a few seconds after startup before connecting equipment. Follow vehicle manufacturer guidelines when installing in mobile environments and ensure all connections are secure and fused as required.

## FAQ

### How much does the Volt Sinus 4000 Plus 4000W 12V inverter cost, and is it available for purchase?

The price is 327.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 13.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Volt Sinus 4000 Plus 4000W 12V inverter be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Volt 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 Volt 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/10862605/60254382_large.webp