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I am selling my Porsche (CTEK) Charge-o-mat battery maintainer that I purchased new from Sunset Porsche years ago. I am using a different setup now and no longer need this one. Works correctly.
When I first received this, I was surprised that the cigarette lighter plug had a very poor/loose fit. At the time, I remember thinking that our tire inflator plug fits nice & snug. So I purchased a used Porsche tire inflator with the typical broken hinges, removed the cigarette lighter end, and properly installed it on the Charge-o-mat cable. Fits snug, does the job. That's how I've used the maintainer over the years.
Amazon sells the Charge-o-mat for about $230, and Suncoast sells it for about $190 + shipping. I am selling mine, with a frustration-free cigarette lighter plug for $100, shipped. PayPal only.