# Battery charger QOLTEC 52491 microprocessor 12V/12.6V/24V with LCD

**URL:** https://aio.lv/en/product--qoltec-52491--11278980
**Data updated:** 2025-12-23 11:38 (EET)
**Category:** Battery chargers
**Manufacturer:** QOLTEC
**Manufacturer code:** 52491
**EAN:** 5901878524917
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 42.65 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 35.25 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-52491--11278980

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.89 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Microprocessor battery charger QOLTEC 52491 supports 12 V, 12.6 V and 24 V battery systems and features an LCD for status indication. Designed for charging and maintaining lead‑acid type batteries, it offers automated charging control via an internal microprocessor. Suitable for workshop, garage or home use to keep vehicle and backup batteries charged and monitored.

## Long description

Battery charger QOLTEC 52491 microprocessor 12V/12.6V/24V with LCD is a compact microprocessor-controlled charger designed to charge and maintain lead-acid batteries. The unit supports 12 V, 12.6 V and 24 V systems and includes an LCD for clear indication of charge status, making it suitable for routine charging, maintenance and monitoring of vehicle and standby batteries in workshops, garages or home environments.
Advantages
Microprocessor control provides automated charge regulation to reduce overcharging and to maintain battery condition during long-term connection. The LCD gives visible feedback on charge status and basic diagnostics, simplifying monitoring without additional tools. Support for multiple nominal voltages (12 V, 12.6 V and 24 V) makes the charger compatible with a range of lead-acid battery systems. The device handles both charge cycles and float (maintenance) modes, allowing continuous connection for battery upkeep.
Suitable for
12 V vehicle batteries and 12.6 V maintenance-capable lead-acid batteries
24 V battery systems used in some vehicles and equipment
Maintaining backup and standby lead-acid batteries
Use in workshops, garages and home battery upkeep
Key specifications
Brand: QOLTEC
Model / MPN: 52491
EAN: 5901878524917
Supported voltages: 12 V, 12.6 V, 24 V
Battery type: lead-acid (charging and maintenance)
Control: microprocessor-based automated charging
Display: LCD for status indication
Category: Battery charger
How to use
Verify the battery type and correct nominal voltage (12 V, 12.6 V or 24 V) before connecting. Attach the charger clamps to the battery terminals observing correct polarity. Power the charger and select the appropriate voltage or mode if selectable; otherwise allow the unit to run its automatic routine. Monitor the LCD for charge progress and wait until the charger indicates charge completion or a maintenance (float) state before disconnecting. Turn the charger off or remove mains power, then remove the clamps, disconnecting the negative terminal first if it is safe to do so.
Usage recommendations
Ensure the charging area is well ventilated and free from sparks or open flames. Clean battery terminals before charging, avoid short circuits, and do not leave the charger connected to damaged batteries. Follow the battery manufacturer’s specifications for voltage limits and maintenance procedures.

## FAQ

### How much does the Battery charger QOLTEC 52491 microprocessor LCD cost, and is it available for purchase?

The price is 42.65 € (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 08.07.2026 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/11278980/64182156_large.webp