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CTEK 56-304 Connect 2.5M Extension: extend the range of your chargerAmazon Product Imaging

CTEK 56-304 Connect 2.5M Extension: extend the range of your charger

4.7 out of 5 stars 8,209 ratings
£14.90 with 25 percent savings £1.82 per metre
RRP: £19.99
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Purchase options and add-ons

  • 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
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CTEK

97% positive ratings from 1K+ customers

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Frequently bought together

CTEK 56-304 Connect 2.5M Extension: extend the range of your charger
This item: CTEK 56-304 Connect 2.5M Extension: extend the range of your charger
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Important information

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BRAND NEW & SEALED.

Product 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.

Product information

Technical Details

Manufacturer ‎CTEK Power, Inc.
Brand ‎CTEK
Model ‎CTEK 56-304
Product Dimensions ‎15 x 10 x 12.8 cm; 90 g
Batteries ‎1 Unknown batteries required.
Item model number ‎56-304
Exterior ‎Painted
Manufacturer part number ‎56-304
OEM Part Number ‎56-304
Special Features ‎CTEK's unique CONNECT system
Voltage ‎12 Volts (DC)
Wattage ‎1E+3
Item Weight ‎90 g

Additional Information

ASIN B00ADIHUVG
Customer Reviews
4.7 out of 5 stars 8,209 ratings

4.7 out of 5 stars
Best Sellers Rank
Date First Available 26 Nov. 2012

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CTEK 56-304 Connect 2.5M Extension: extend the range of your charger

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What's in the box?

  • CTEK 56-304

    • Customer reviews

    4.7 out of 5 stars
    8,209 global ratings

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    Customers say

    Customers find the extension cable works well with their chargers and appreciate its 2.5m length, with one mentioning it's long enough to reach into the garage. The product receives positive feedback for its quality, with one customer noting its heavy-duty construction, and customers find it easy to use and install. While some customers consider it worth every penny, others find it expensive for its length. The connection quality receives mixed reviews, with several customers reporting connection problems.

    Select to learn more

    FunctionalityCable lengthQualityEase of useQuality extension leadLengthValue for moneyConnection quality
    216 customers mention ‘Functionality’208 positive8 negative

    Customers find that the extension cord works well with their chargers and has no issues.

    "Does the job but would be more useful if a little longer" Read more

    "Great product" Read more

    "Works well and needed if extra length needed with the CTEC charger" Read more

    "Tidy.... what more is there to say. Good product and works a treat." Read more

    175 customers mention ‘Cable length’148 positive27 negative

    Customers appreciate the extension cable's length, which provides greater reach for their chargers.

    "It's an extension cable! Usual good Ctek quality - what more can I say?..." Read more

    "Straight forward cable extender, very simple to use (just plug in) and depending on your purpose, works perfectly...." Read more

    "Does what is expected of it. Nice to have a modular charging capability..." Read more

    "An excellent addition to the CTEK charger enabling you to get the crocodile clips on to even the most recessed car or van batteries in situ and..." Read more

    137 customers mention ‘Quality’123 positive14 negative

    Customers find the extension cord to be of good quality, with one customer noting its heavy-duty construction and secure connectors, while another mentions the high-quality plastic insulation.

    "...Good quality, strong cable." Read more

    "Appears to be of good quality, all fittings seem sound, Checked these before fitting as some reviews gave 1 star due to contacts failing, but mine..." Read more

    "Well made as expected from ctek" Read more

    "Quality product .... its an extension lead .... does what it's supposed to do !" Read more

    53 customers mention ‘Ease of use’53 positive0 negative

    Customers find the extension cable easy to use and install.

    "The item is easy to use with the charger leads and it works well." Read more

    "Easy to use and good quality. Will reach from front to rear of most cars." Read more

    "...charger away from the vehicle in a protected area, where it is easy to monitor...." Read more

    "Great easy to use extension cable for Cteks battery charger. Much needed as original cable is perhaps a little short." Read more

    39 customers mention ‘Quality extension lead’39 positive0 negative

    Customers find the extension lead to be of good quality, with one customer noting that its extra length makes it convenient to use.

    "Useful extension." Read more

    "Great extension which was necessary. Good product!" Read more

    "Quality product .... its an extension lead .... does what it's supposed to do !" Read more

    "Quality lead" Read more

    27 customers mention ‘Length’19 positive8 negative

    Customers like the extension cord's length, which provides an additional 2.5 meters, and one customer mentions it's long enough to reach into the garage.

    "Firsts easy and nice and long. Do buy these if you're buying the charger. A lifesaver" Read more

    "Bought as a combination with Ctek msx5.0. Just the right length to neatly reach outside whilst keeping the charger in shelter." Read more

    "Nicely made as usual but still not long enough for my needs I could buy another but seems a little pricey" Read more

    "This extension leads gives me an additional 2.5m length. Now I can charge my car with the bonnet closed and the charger unit indoors out of the rain!..." Read more

    85 customers mention ‘Value for money’29 positive56 negative

    Customers have mixed opinions about the extension cable's value for money, with some finding it worth every penny while others consider it expensive for its length.

    "...A little pricey for what it is." Read more

    "...end of the lead from moisture and dust though but definitely a worthwhile purchase. Recommended." Read more

    "...I didn't give it 5 stars as I thought it quite expensive." Read more

    "...My only grumble is it seems a bit expensive for what it is but that might just be my tight nature! If you need an extension then it's a no..." Read more

    20 customers mention ‘Connection quality’8 positive12 negative

    Customers have mixed experiences with the charger's connection quality, with some reporting connection problems and verification issues.

    "...The Ctek connectors are not my favourite on these chargers either, compared to Noco brand at least, just not great...." Read more

    "...because you can wall mount your CTEK Charger and have ample lead to connect to the car...." Read more

    "...Poorly made product from China which gives intermittent connection. Any movement of the connection can cause it to fail...." Read more

    "Good quality extension lead with bespoke CTEK connectors i.e. only compatible with other CTEK battery charging equipment...." Read more

    Extended
    5 out of 5 stars
    Extended
    Excellent product, easy to use, well made and extends the range of the CTEK battery conditioner and is easier than getting a mains lead extension.
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    Top reviews from United Kingdom

    • C. R. Thompson
      5.0 out of 5 stars Does the job 👍
      Reviewed in the United Kingdom on 23 September 2024
      Style Name: SinglePattern Name: SingleVerified Purchase
      Ideal as an extension for my crew charger from my garage to the battery in the boot of my Jag. Great quality item.
      Helpful
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    • Mr A A Collingridge
      5.0 out of 5 stars Great Product
      Reviewed in the United Kingdom on 11 March 2025
      Style Name: SinglePattern Name: SingleVerified Purchase
      Very useful addition for my CTek charger enabling me to avoid cables swaying around in the air by keeping them on the ground with the charger itself out of the way. Connectors easy to fit and look nice. Recommended.
      Helpful
       Report
    • J
      5.0 out of 5 stars Perfect!
      Reviewed in the United Kingdom on 9 September 2024
      Style Name: SinglePattern Name: SingleVerified Purchase
      The company recommends that you don't daisy chain these, but I bought two of them and did just that and my CTEK had no issue charging my car battery. It would recommend putting a plastic bag over the connectors though if you plan on leaving it outside, just to keep any rain out.

      Good quality, strong cable.
      4 people found this helpful
      Helpful
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    • DF Leatherdale
      4.0 out of 5 stars Battery charger extension cable
      Reviewed in the United Kingdom on 15 March 2013
      Style Name: SinglePattern Name: SingleVerified Purchase
      My mother, who is getting on a bit, had been having flat battery problems with her Corsa which were due to it being used for infrequent short runs during the winter. Obviously a mains charger was needed but it would be difficult, in the tight confines of her garage, for her to open the bonnet and connect one up. I chose a C-Tek charger because this extension cable was available for it. In addition to the usual crocodile clamps, the charger came with ring connectors for bolting to the battery and I wired in the extension lead to cross the engine compartment and come through the bulkhead underneath the instrument binnacle. She just has to open the drivers window a crack and plug the end of the lead into the charger which is mounted on the nearby wall. It works well and she has had no more battery problems. I didn't give it 5 stars as I thought it quite expensive.
      5 people found this helpful
      Helpful
       Report
    • M. Franklin
      5.0 out of 5 stars Battery charging helping hand
      Reviewed in the United Kingdom on 1 April 2025
      Style Name: SinglePattern Name: SingleVerified Purchase
      Easily fitted extension cable for ctek battery chargers and battery connections. Makes battery charging a breeze. All part of a brilliant system.
      Helpful
       Report
    • marty
      5.0 out of 5 stars Should have been included as standard with your charger
      Reviewed in the United Kingdom on 6 June 2025
      Style Name: SinglePattern Name: SingleVerified Purchase
      Should have been included as standard, makes the charger much more easy to use. A little pricey for what it is.
      Helpful
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    • Capt Duncan Mckelvie
      5.0 out of 5 stars CTek quality
      Reviewed in the United Kingdom on 2 June 2025
      Style Name: SinglePattern Name: SingleVerified Purchase
      CTek quality
      Helpful
       Report
    • Geoffrey Spencer
      5.0 out of 5 stars Charging lead
      Reviewed in the United Kingdom on 27 May 2025
      Style Name: SinglePattern Name: SingleVerified Purchase
      Excellent quality and excellent Service 👌
      Helpful
       Report

    Top reviews from other countries

    Translate all reviews to English
    • Phantom
      5.0 out of 5 stars Top shelf quality, very practical!
      Reviewed in Australia on 1 January 2025
      Style Name: SinglePattern Name: SingleVerified Purchase
      Top shelf quality, very practical!
      Report
    • Sebastian Tryczyk
      1.0 out of 5 stars Słabe styki, grzejące sie połączenie
      Reviewed in Poland on 31 December 2021
      Style Name: SinglePattern Name: SingleVerified Purchase
      Przedłużacz stosowany z ładowarką CTEK MXS 5.0. Wtyczka łącząca posiada luzy i wystarczy najmniejszy ruch aby styki wewnątrz traciły kontakt. Klups mocujący od samego początku wyskakiwał z prowadnicy. Po podłaczniu ładowarka nie była w stanie naładowac akumulatora, zgłaszała błąd. Łącze nagrzewało sie do bardzo wysokiej temperatury co wskazywało na brak lub słaby kontakt styków. Po podłączeniu originalnych kabli problem znbikał więc definitywnie problem leży po stronie tego przedłużacza. Jedym słowem Made in China. Zażądałem wymiany na nowy. Mam nadzieje ze inna sztuka będzie wolna od tej usterki. Zobaczymy.
      Report
    • KevinSA
      1.0 out of 5 stars Bad design
      Reviewed in Saudi Arabia on 22 August 2024
      Style Name: SinglePattern Name: SingleVerified Purchase
      Not really impressed actually. There are no fastener clips, and shizz tends to get loose after you use them. Reminds me of my ex wife actually.
      Report
    • Serge-Eric
      5.0 out of 5 stars Nice extension
      Reviewed in the United Arab Emirates on 14 October 2022
      Style Name: SinglePattern Name: SingleVerified Purchase
      Nice extension and very practical to put the charger a bit further than under the car bonnet as its initial cable is a bit short.
      Report
    • Hugo
      5.0 out of 5 stars Verlengsnoer
      Reviewed in Belgium on 15 May 2025
      Style Name: SinglePattern Name: SingleVerified Purchase
      Dit moest ik hebben. Ik heb 2 Ctek opladers en bij beiden was het nodig om een verlengsnoer te hebben. En nu ziet alles er tiptop uit!
      Report