

CTEK (56-304) Comfort Connect Extension Cable, 8.2 Feet
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Johnaught
> 3 dayMet expectations except that it included no rubber cap to seal the connector. The connector that comes with the CTEK charger has that much-needed cap included and attached. Once you attach this extension the cap is of no use there and is needed on the extension instead. I had to cut off that cap and rig some way to attach it to the extension. Couldnt CTEK have done that?
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gcm111
> 3 dayA nice extension for connecting from the charger to the battery. This allows the charger to placed outside the engine and even away from the vehicle being charged. It is designed to be used with other CTEK Components keeping the + and - leads connected correctly.
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Kenneth Burns
> 3 dayThese extension wires are JUNK. The wire is very stiff and not flexible or pliable. Extension wires are an essential component of any battery tender system. These wires are a deal breaker for any CTEK product. How can CTEK produce such garbage? I have no confidence in the company.
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Hammer
Greater than one weekBuy extension and you wont have to move bikes
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Matt H.
> 3 dayWorks great. Clicks nicely and securely. It extends the battery connection to outside the trunk space so the charger can be more conveniently located. The cable did not affect how the charger senses the voltage or charges the battery. I highly recommend this product.
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Greg
07-06-2025Connected perfectly to my trickle charger. Enabled me to move the charger off the windshield of my Porsche and place in on the ground.
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Charley Fahey
Greater than one weekGood length and quality, makes battery maintenance easier.
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JS
> 3 dayGreat extension for the charger.
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ROBERT B.
> 3 dayIt does exactly what I wanted, not have to lift the cover to get to plug it in. It would be nice if it can shorter, nothing zip ties cant fix.
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Ken
Greater than one weekWas exactly as described. Connector is polarized so you can’t mess it up.