How many can you daun together and still be effective?

CTEK recommends using only one extension cable (56-304) with your charger.

When using the interior Cig lighter plug, can you gently close the door over this or does it need to be fed through an open window?

I gently close the door on mine -- it is not crimped in any way. Been doing it for 3 winters now with no issue at all.

Does this work for the ctek MXS 5.0?

Thank you for your interest in Euro MotoElectrics. Yes, the extension will work on your CTek MXS 5.0 Cheers Team EME

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CTEK(シーテック) コンフォートコネクトエクステンション2.5 WC56304

CTEK(シーテック) コンフォートコネクトエクステンション2.5 WC56304

Product ID: 738553164

Details

Brand
CTEK
Global Trade Identification Number
Item Weight
118 g
Manufacturer
シーテック(Ctek)

⚡Supports up to 1000 W power

📏2.5 m cord length

🔌Seamless accessory connection

Description

🔌 Power your setup with seamless extension – never feel tethered again!

TRUSTED QUALITY - Backed by CTEK’s manufacturer warranty and top-rated reliability
COMPACT LIGHTWEIGHT - Only 118 g for easy handling and storage
PLUG PLAY SIMPLICITY - Effortlessly connects between main unit and accessories
EXTENDED REACH NO LIMITS - 2.5 meters of flexible extension for ultimate convenience
POWER UP WITHOUT COMPROMISE - Handles up to 1000 W ensuring reliable performance

The CTEK Comfort Connect Extension 2.5 (WC56304) is a 2.5-meter extension cable designed to seamlessly connect between the main CTEK unit and optional accessories. Supporting up to 1000 W, it offers reliable power delivery while maintaining a compact and lightweight profile. Highly rated by users, this extension enhances flexibility and convenience for automotive battery maintenance setups.

Specifications

ASIN	B00ADIHUVG
Amazon Bestseller	#13,100 in Automotive ( See Top 100 in Automotive ) #23 in Automotive Replacement Battery Cables
Batteries	1 Unknown batteries required.
Brand	CTEK
Customer Reviews	4.5 4.5 out of 5 stars (8,399)
Date First Available	December 12, 2012
Is Discontinued By Manufacturer	No
Item Dimensions L x W x H	15 x 10 x 12.8 cm
Item Weight	118 g
Item model number	56-304
Manufacturer	シーテック(Ctek)
Model	WC56304
OEM Part Number	WC56304
Product Dimensions	15 x 10 x 12.8 cm; 117.93 g
Warranty	メーカー保証
Wattage	1000 W
Year	2014

Reviews

粟**巳

この延長ケーブルは使い勝手が良いです。購入して良かったです。

2.12.2025

X**A

シーテック本体のコードもある程度の長さはありますが、自宅の車庫のコンセントの位置からすると、このエクステンションコードはとても便利です。

22.12.2025

こ**ん

ええんやけど、長いので期待してます。

30.12.2024

S**U

車からコンセントまでが少し遠いので，購入しました。とても役立っています。

25.05.2025

A**ー

ワンタッチロックでカプラーオンは安心安全です。

21.04.2025

ア**レ

延長コードは必要だと思って購入した。配達も予定より早く到着で良い感じだった。購入を決めた時の写真は丸めてある状態だったので柔らかいケーブルと思っていたが、到着して箱を開けると普通に折り曲げてあった、ケーブルが想像以上に硬いので少しがっかりでした。ケーブルを真っ直ぐにする為、折り曲げた部分を伸ばすのに逆曲げしたけど、逆曲げするとケーブルが折れそうな感じで怖かったです。機能的には問題ないのだろうと思うのでまぁ良いかと言うところです。

8.02.2025

A**ー

何の問題もありません

15.03.2025

N**K

常時充電の為にコンセントからの延長が出来て良かった

3.12.2024

P**M

Top shelf quality, very practical!

1.01.2025

S**L

Very well made and lightweight. Recommended!

16.11.2025

K**A

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.

22.08.2024

C**N

super content

6.09.2025

I**M

Very good product. It take to match time to be delivered.

15.10.2025

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TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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1 week ago

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CTEK(シーテック) コンフォートコネクト エクステンション2.5 WC56304

Details

Details

Description

Specifications

Reviews

Common Questions

CTEK(シーテック) コンフォートコネクトエクステンション2.5 WC56304