# Battery charger CTEK D250SE 20 A 1044 – 20 A multi-battery charger with DC-to-DC support

**URL:** https://aio.lv/en/product--ctek-1044--3813074
**Data updated:** 2026-01-06 11:12 (EET)
**Category:** Battery chargers
**Manufacturer:** CTEK
**Manufacturer code:** 1044
**EAN:** 7340103403159
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 466.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 385.94 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ctek-1044--3813074

## 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 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

CTEK D250SE 20 A (model 1044) is a 20-amp battery charger designed for charging and maintaining vehicle batteries. It supports multi-battery systems and includes DC-to-DC functionality for safe charging from alternators or second batteries. Suitable for cars, trucks, motorhomes and boats, it provides controlled charging to extend battery life and ensure reliable starts.

## Long description

CTEK D250SE 20 A (model 1044) is a 20-amp multi-battery charger with integrated DC-to-DC support for safe charging and maintenance of vehicle batteries. Designed for cars, trucks, motorhomes and boats, the unit manages charge between alternator and auxiliary batteries and provides controlled charging to help extend battery life and improve start reliability.
Advantages
The D250SE delivers up to 20 A of regulated charging current and features DC-to-DC charging to ensure correct charging profiles for auxiliary batteries even when the vehicle alternator output is unstable. It supports multiple battery types and configurations, offers efficient energy conversion and includes protections against overcharge, reverse polarity and overheating. The compact design and robust housing make it suitable for vehicle installation.
Suitable for
Charging and maintaining starter and auxiliary batteries in cars
Commercial vehicles and trucks with multi-battery systems
Motorhomes and campervans with leisure batteries
Boats and marine applications with onboard charging needs
Key specifications
Brand: CTEK
Model / MPN: D250SE 1044
Maximum charge current: 20 A
Functionality: Multi-battery charger with DC-to-DC support
Suitable battery systems: Starter and auxiliary batteries (12 V systems)
Applications: Cars, trucks, motorhomes, boats
EAN: 7340103403159
How to use
Install the D250SE following the manufacturer’s wiring instructions: connect input to the vehicle alternator or starter battery and connect output to the auxiliary battery or batteries. Select appropriate settings for the battery type where required. Once connected, the unit manages charging automatically, switching between DC-to-DC mode and alternator charging as needed. Regularly check connections and mounting to ensure secure operation.
Usage recommendations
Use the CTEK D250SE in accordance with vehicle and battery manufacturer guidelines. Ensure correct cable sizing and secure connections during installation. For best results, confirm battery type settings and perform periodic inspections; consult the official CTEK manual for detailed installation diagrams and safety information.

## FAQ

### How much does the Battery charger CTEK D250SE 20 A 1044 cost, and is it available for purchase?

The price is 466.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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. 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 CTEK 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 CTEK 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/3813074/47494137_large.webp