---
product_id: 48102709
title: "56-304 Connect 2.5M Extension: extend the range of your charger"
brand: "ctek"
price: "₩72916"
currency: KRW
in_stock: true
reviews_count: 8
category: "Ctek"
url: https://www.desertcart.kr/products/48102709-56-304-connect-2-5m-extension-extend-the-range-your
store_origin: KR
region: South Korea
---

# IP65 weatherproof insulation 2.5m extension length Supports up to 10A chargers 56-304 Connect 2.5M Extension: extend the range of your charger

**Brand:** ctek
**Price:** ₩72916
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your space with CTEK’s sleek 2.5m extension—charge smarter, not harder!

## Quick Answers

- **What is this?** 56-304 Connect 2.5M Extension: extend the range of your charger by ctek
- **How much does it cost?** ₩72916 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/48102709-56-304-connect-2-5m-extension-extend-the-range-your)

## Best For

- ctek enthusiasts

## Why This Product

- Trusted ctek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Plug & Play:** Comfort Connect push-in connectors make setup quick, secure, and hassle-free.
- • **Extend Your Charging Reach:** 2.5 meters of flexible freedom to position your charger exactly where you need it.
- • **Built to Brave the Elements:** IP65-rated insulation ensures reliable performance rain or shine, indoors or out.
- • **Garage-Friendly Convenience:** Keep your charger safely mounted inside while charging your battery outside—no compromises.
- • **Power Compatibility Mastery:** Seamlessly connects with any CTEK charger up to 10A for versatile charging power.

## Overview

The CTEK 56-304 Connect 2.5M Extension cable is a durable, weatherproof 2.5-meter extension designed to connect any CTEK charger up to 10A. Featuring IP65 insulation and Comfort Connect push-in connectors, it offers flexible, safe, and convenient charging solutions for automotive batteries, ideal for professionals who demand reliability and ease of use.

## Description

Product Description Useful 2.5 metre extension cable which allows any CTEK charger up to 10A to be connected to other accessories such as clamps or Comfort Connectors. Handy when charger has to be placed some distance from the battery Legal Disclaimer BRAND NEW & SEALED. Box Contains 1 X Comfort Connect 2.5M Extension cable

Review: Works well and of a useful length - Provided enough extra cable length to enable me to connect my car battery to my CTEK charger mounted on the wall inside my garage near to the up and over door sufficient for me to also be able to close the garage door with car outside. Useful to have and appears well made like my trusty CTEK charger.
Review: Ctek 2.5mtr extension lead - This Ctek extension is a must if you do not not want to leave your Ctek battery charger under the bonnet when charging or you do not have close access to a mains socket, as the cable supplied with these Ctek chargers is not very long. The extension is well made and has comfort plug push in connections to your Ctek charger cable. Expensive for what it is.

## Features

- Useful 2.5 metre extension cable
- allows any CTEK charger up to 10A to be connected
- Handy when charger has to be placed some distance from the battery
- 12 volts
- Insulation: IP 65

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00ADIHUVG |
| Batteries | 1 Unknown batteries required. |
| Best Sellers Rank | 490 in Automotive ( See Top 100 in Automotive ) 13 in Car Battery Charging Units |
| Brand | CTEK |
| Customer Reviews | 4.7 4.7 out of 5 stars (8,468) |
| Date First Available | 26 Nov. 2012 |
| Exterior | Painted |
| Item Weight | 118 g |
| Item model number | 56-304 |
| Manufacturer | C-Tek |
| Manufacturer part number | 56-304 |
| Model | CTEK 56-304 |
| OEM Part Number | WC56304 |
| Product Dimensions | 15 x 10 x 12.8 cm; 117.93 g |
| Wattage | 1000 watts |

## Product Details

- **Brand:** CTEK
- **Colour:** No Color
- **Input voltage:** 12 Volts (DC)
- **Item weight:** 118 g
- **Output voltage:** 12 Volts

## Images

![56-304 Connect 2.5M Extension: extend the range of your charger - Image 1](https://m.media-amazon.com/images/I/61r5VbqiA1L.jpg)

## Available Options

This product comes in different **Pattern, Style** options.

## Questions & Answers

**Q: Does this have the same connectors as the Noco connectors?**
A: No. They are unique to Ctek

**Q: whats the difference between using this versus just extending the plug at the other end with a normal multiplug adapter/extension lead?**
A: I use this Extension Cable because my Charger is inside the wall mounted Ctek Cage, which gives you the extra cable length. On a previous Car I ran a 240v  Extension Reel into the Boot and connected with the standard Ctek Lead, the Boot Seal allowed for the thickness of the 240v Flex.

**Q: Is this compatible with the cs free charger to connect eyelets to the battery terminal? the only leads with the cs free are croc clips.**
A: Hi there, I am afraid I cannot give you a 100% accurate answer. I don't know what the "cs free charger" is. I bought the CTEK battery charger and wanted the extension cable so that I could reach the car from a wall socket. My CTEK came with both a croc clips cable and an eyelets cable. Both of these short cables use the strangely shaped orange connector to connect the the CTEK. Therefore if you have the CTEK you can use either the eyelets or croc clips cable.
I actually got my garage to fit the eyelet cable to the battery (mainly because my car has the battery underneath a cowling in the engine compartment and it is very awkward to get at the battery terminals). The car was being serviced and my garage didn't even charge me to fix the eyelets to the battery and they strapped the strange orange connector plug to some pipework under the car bonnet. It works great and with the extension lead I just raise the bonnet and hook up the CTEK within a couple of minutes.
The CTEK has been a life saver for me. My car doesn't get used a great deal and I can now keep the battery topped up all the time (usually I hook up the CTEK about once every 8-9 days.
I know that's not a direct answer but if you do own the CTEK charger you can use this extension cable and choose either the croc clips or eyelets cable that comes with the CTEK. Without the CTEK charger and the unique orange connector plug that is fitted on the cable that comes out of the charger then this extension cable would not be compatible (unless you can get the unique orange connector with other chargers but I haven't seen any, I think it's a custom CTEK fitting).
Hope that helps.

**Q: is this product waterproof?**
A: I would say its more water resistant when connected rather than waterproof. I have used mine many times over past 5 years outside and its been fine. I cover the connector and keep it off the ground with a small plastic box or plant pot and them cover box with another bigger box. Also means people wont trip over it.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works well and of a useful length
*by G***S on 21 December 2025*

Provided enough extra cable length to enable me to connect my car battery to my CTEK charger mounted on the wall inside my garage near to the up and over door sufficient for me to also be able to close the garage door with car outside. Useful to have and appears well made like my trusty CTEK charger.

### ⭐⭐⭐⭐⭐ Ctek 2.5mtr extension lead
*by J***J on 10 December 2025*

This Ctek extension is a must if you do not not want to leave your Ctek battery charger under the bonnet when charging or you do not have close access to a mains socket, as the cable supplied with these Ctek chargers is not very long. The extension is well made and has comfort plug push in connections to your Ctek charger cable. Expensive for what it is.

### ⭐⭐⭐⭐⭐ CTEK Extension Cable
*by L***N on 13 January 2026*

Item as described,good quality and fast delivery.

## Frequently Bought Together

- CTEK (56-304) Comfort Connect Extension Cable, 8.2 Feet
- CTEK - 40-206 MXS 5.0 Fully Automatic 4.3 amp Battery Charger and Maintainer 12V
- CTEK (56-870) Comfort Indicator Cig Plug

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-01*