We use and Engle unit, Have had it for many years. Probabally have been drug around with us 25,000 mile or so. It is a 2 way unit, 12V or 120. It switches automatically depending on what you are using, the 12 v is a very low amp draw. Used it for 2 months in Alaska on just the 12v.
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2014 SUNSEEKER 3010DS
TOADS, 2012 FOCUS OR 1998 JEEP WRANGLER,
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