# Marine battery charger CTEK M15 EU 12V 15A for boats and marine batteries

**URL:** https://aio.lv/en/product--ctek-m15-eu--12246805
**Data updated:** 2026-04-02 14:31 (EEST)
**Category:** Car Chargers & Jump Starters
**Manufacturer:** CTEK
**Manufacturer code:** M15 EU
**EAN:** 7340103401926
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 242.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 200.82 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ctek-m15-eu--12246805

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

CTEK M15 EU is a 12V 15A marine battery charger designed for charging and maintaining lead‑acid and compatible batteries on boats and other marine applications. It provides controlled 15A charging suitable for larger 12V battery banks, supports long‑term maintenance charging, and is intended for use in marine environments where reliable battery care is required.

## Long description

CTEK M15 EU 12V 15A marine battery charger is engineered for charging and maintaining 12V lead‑acid and compatible batteries used in boats and other marine systems. The charger delivers a controlled 15A charge current suitable for larger battery banks, with modes that support both fast charging and long‑term maintenance. Designed for marine conditions, it focuses on consistent voltage regulation, battery care and safe connection to multiple battery configurations on board vessels.
Advantages
The charger offers a stable multi‑stage charging process that optimizes battery life by reducing overcharging and sulfation. Its 15A output enables faster recovery and balancing of larger 12V battery banks compared with lower‑current units, while maintenance mode keeps batteries at full charge during inactivity. Built to meet marine use cases, the unit provides corrosion‑resistant connections and electronic protection against reverse polarity, short circuits and overheating.
Suitable for
Charging and maintaining 12V lead‑acid, maintenance‑free and compatible batteries on boats
Large battery banks on yachts, tenders and workboats
Seasonal storage and long periods between uses where maintenance charging is required
Key specifications
Nominal voltage: 12V
Maximum charge current: 15A
Charging method: multi‑stage with maintenance mode
Battery types supported: lead‑acid, including flooded, AGM and gel, and other compatible 12V chemistries
Environmental design: suitable for marine environments with protective features for onboard use
Protection features: reverse polarity protection, short‑circuit protection and thermal regulation
How to use
Connect the charger to the battery following the manufacturer’s connection instructions: attach the positive lead to the battery positive terminal and the negative lead to a good engine block or battery negative terminal. Select the appropriate charging mode if the unit provides mode selection for standard charging or maintenance. Allow the charger to complete its automatic multi‑stage cycle; the charger will switch to a maintenance float when the battery is fully charged. For multiple batteries or larger banks, follow recommended wiring practices to ensure even charging and safe current distribution.
Usage recommendations
For reliable operation, install the charger in a ventilated, dry location away from direct spray and corrosive fumes. Use correct cable sizes and secure connections to minimise voltage drop. Periodically inspect battery terminals for corrosion and clean as needed. When storing a vessel for extended periods, leave the charger connected in maintenance mode to prevent self‑discharge and sulfation.

## FAQ

### How much does the CTEK M15 EU 12V 15A Marine battery charger cost, and is it available for purchase?

The price is 242.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 07.07.2026 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 CTEK M15 EU 12V 15A Marine battery charger 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 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/12246805/68150064_large.webp