# OBDII diagnostic tester QOLTEC ProLine 50685 — vehicle OBD-II scanner for 8V/25V systems

**URL:** https://aio.lv/en/product--qoltec-50685--11506984
**Data updated:** 2026-02-15 12:43 (EET)
**Category:** Car Supplies
**Manufacturer:** QOLTEC
**Manufacturer code:** 50685
**EAN:** 5901878506852
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 22.72 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-50685--11506984

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

QOLTEC ProLine 50685 is an OBDII diagnostic tester designed for vehicles with OBD-II ports and compatible 8V/25V electrical systems. It reads and clears fault codes, displays live data and diagnostics parameters, and helps identify engine and emission-related issues. Suitable for routine troubleshooting, pre-trip checks and basic workshop diagnostics, it simplifies fault detection and speeds repairs.

## Long description

QOLTEC ProLine 50685 is an OBDII diagnostic tester designed for vehicles equipped with an OBD-II port and compatible with 8V/25V electrical systems. The device reads and clears fault codes, displays live sensor values and diagnostic parameters, and assists in identifying engine and emission-related issues. Intended for routine troubleshooting, pre-trip checks and basic workshop diagnostics, it provides core OBD-II functions in a compact handheld unit suitable for drivers and technicians.
Advantages
The tester supports standard OBD-II functions including reading stored and pending diagnostic trouble codes (DTCs) and clearing them, viewing live data streams and basic vehicle information. Its compatibility with 8V/25V electrical systems makes it appropriate for a wide range of modern petrol and diesel vehicles that use OBD-II. The device simplifies initial fault detection and helps prioritize repairs by presenting readable code descriptions and live parameter values.
Suitable for
Routine vehicle troubleshooting and fault code reading
Pre-trip checks and basic roadside diagnostics
Basic workshop or home garage diagnostics
Monitoring live engine and emission parameters
Key specifications
Supported protocol: OBD-II standard protocols (generic OBD-II support)
Electrical system compatibility: 8V/25V
Functions: Read and clear diagnostic trouble codes, view live data stream, display diagnostic parameters
Display: Built-in screen for code and data presentation
Form factor: Handheld, portable diagnostic tool
How to use
Locate the vehicle's OBD-II port, typically under the dashboard on the driver side, and connect the QOLTEC ProLine 50685 directly to the port. Power is drawn from the vehicle via the connector; no separate battery installation is required. Follow on-screen prompts to access vehicle information, read stored and pending fault codes, view live sensor data and clear codes when appropriate. Interpret displayed codes using the on-device descriptions and consult vehicle-specific documentation for repair procedures.
Usage recommendations
Use the tester with the vehicle ignition in the position specified by the tester's prompts (engine on or key-on depending on the function). After clearing codes, verify repairs by rechecking the system and monitoring live data. For complex faults or repairs affecting safety or engine control systems, use the QOLTEC ProLine 50685 for initial diagnosis and seek professional workshop diagnostics and repair if necessary.

## FAQ

### How much does the OBDII tester QOLTEC ProLine 50685 cost, and is it available for purchase?

The price is 27.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 03.07.2026 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 QOLTEC 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 QOLTEC 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/11506984/66523095_large.webp