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KeyLine Chargers - 12' 5" Universal SAE Quick Connect Extension Cable

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KeyLine Chargers - 12' 5" Universal SAE Quick Connect Extension Cable

Not every Universal SAE Quick Connect Extension Cable is created equal!

Eliminate the struggle of working with extension cable. The KeyLine Chargers 12' 5" Foot Quick Connect Extension Cable is compatible with all of your KeyLine Chargers!


This 12' 5" Universal SAE Quick Connect Extension Cable is made with a heavy-duty cable and the highest-quality connectors to ensure the proper amount of voltage drop for the 12' 5" length. Use it to increase the reach from your charger’s input to the battery.

The KeyLine Chargers 12' 5" Universal SAE Quick Connect Extension Cable was specifically engineered to carry the proper amount of electrical voltage to your batteries or accessories. So stop using extension cables that don’t perform well.

Features of the KeyLine Chargers 12' 5" Universal SAE Quick Connect Extension Cable include:

  • Universal fittings for use with all KeyLine chargers, Battery Tender, Black and Decker, Extreme Max, Schumacher & Optima and multiple batteries
  • Weatherproof SAE fittings for safe charging even in wet weather conditions.
  • Quick connect plugs for fast & easy charging.
  • Extends the reach of your KeyLine Charger by 12' 5"!

KeyLine Chargers, Isolators and Maintainers are the only smart chargers that feature this exclusive 5-stage charging process:

Desulphation > Bulk Charge > Absorption > Analysis > Float Stage

Made small and durable to perform in tight, dusty, and even weather exposed environments, KeyLine Chargers ensure a fully charged and well-maintained battery every time.


8 Ounces
12.5 Feet in Length

Why Buy From Us?

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What our Amazon customers are saying about us...

"The Keyline Mini-Pro Automatic Car Battery Charger is elegantly simple in design and beautiful in its packaging. The single page of instructions and the minimal "warning" paragraph were more than adequate for the device. The charger itself is completely protected from electrical abuse and will not harm the car battery under any conditions..."

"Great product. We started using the charger right away and it is working great. It arrived on time, which is a plus during the holidays!
Everything as stated and then some. We had questions that were answered in a timely fashion before purchase. Would recommend this product and seller to everyone I know!"

"This is a very user-friendly unit. It has a cord on both sides of the transformer so that it does not take up 2 outlets. Well designed. I love the consumer-friendly consideration. Permanent battery connection for the generator battery was very simple to connect and the appropriate cords included. I purchased 2 units and am very glad I did. It comes with an outstanding 5 year warranty! That is standing by your product! The price is very reasonable. The cords are reasonably flexible. The face of the unit is also user friendly and easy to read. A+++++"

"I bought the KeyLine charger to charge up my battery packs to my home alarm as well as to the ATT box. Honestly I did not know they were rechargeable as I had already purchased replacements for them. When I was about to turn the old ones into be recycled is when I saw that they were all rechargeable thus I ordered the charger. It charged them right up so I am very happy with my investment."

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