# Rectifier Weldman Inventor Smart 250 12V/24V with Start – Weldman

**URL:** https://aio.lv/en/product--weldman-104532--11741792
**Data updated:** 2026-03-08 15:42 (EET)
**Category:** Welding Machines
**Manufacturer:** Weldman
**Manufacturer code:** 104532
**EAN:** 5902701752323
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 164.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 135.94 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--weldman-104532--11741792

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Weldman Inventor Smart 250 is a rectifier-designed welder offering 12V/24V compatibility and an integrated start function. It provides a stable DC output for welding operations requiring these voltage options, suitable for workshop and on-site repairs. Use cases include metal fabrication, maintenance welding and vehicle battery-assisted start operations.

## Long description

Weldman Inventor Smart 250 is a rectifier-style welder designed to provide stable DC output with selectable 12V and 24V modes and an integrated start function. The unit is intended for workshop and field use where reliable welding performance and the option to use vehicle battery-assisted start are needed. It supports common maintenance and fabrication tasks by delivering consistent current suitable for a range of repair and assembly applications.
Advantages
The rectifier design ensures a steady direct current output that improves arc stability and reduces spatter during welding. Dual-voltage compatibility allows the device to be connected to either 12V or 24V systems, increasing its flexibility for automotive and industrial contexts. The built-in start function simplifies engine-start assistance when used with an appropriate battery source. The compact form factor and straightforward controls make it practical for both workshop benches and on-site service calls.
Suitable for
 Metal fabrication and small-scale welding assemblies
 Maintenance welding and repair work in workshops
 On-site service and mobile repairs where battery-assisted start is required
 Automotive repairs and repairs of agricultural or construction equipment
Key specifications
 Output type: Stable DC (rectifier) suitable for stick and compatible electrode welding
 Voltage modes: Selectable 12V and 24V operation
 Integrated start function for battery-assisted engine start operations
 Intended use environment: Workshop and field/service applications
 Design characteristics: Compact housing and user-oriented control layout
How to use
Connect the welder to an appropriate 12V or 24V battery source according to the required mode, ensuring correct polarity and secure cable connections. Select the voltage mode and set the welding current as needed for the electrode and material thickness. Follow standard welding safety practices: wear appropriate personal protective equipment, verify proper grounding, and ensure adequate ventilation. When using the start function, connect to the vehicle or equipment battery following the manufacturer’s safety guidance and confirm stable contacts before attempting engine start assistance.
Usage recommendations
Use electrodes and current settings recommended for the material and thickness being welded. Regularly inspect cables, clamps, and connections for wear or corrosion. Do not attempt to operate the start function without verifying battery health and correct polarity. Store the unit in a dry, clean environment and follow periodic maintenance checks to ensure consistent performance.

## FAQ

### How much does the Rectifier Weldman Inventor Smart 250 cost, and is it available for purchase?

The price is 164.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 02.07.2026 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 Rectifier Weldman Inventor Smart 250 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 Weldman 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 Weldman 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/11741792/67121058_large.webp