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Old 04-01-2017, 06:34 AM   #2
Chuck W.
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Join Date: Sep 2008
Location: Agoura Hills (LA) So.Cal.
Posts: 1,574
Quote:
Originally Posted by morgal48 View Post
So you use the cigarette lighter to connect the battery tender to the battery you are maintaining. Drawing energy from the battery to inject energy into the battery. How does that work? Buck and boost internals in the tender?
I had wondered the same thing.... but for the last 10 years I have used a Battery Tendered plugged into the cigarette lighter without issue. Perhaps the cigarette lighter has to handle a heavy load to work thus can handle a the Battery Tender.
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