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?
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2000 Boxster S
2010 Volvo XC60
2011 GMC Denali HD 6.6L (sold)
2008 Cayenne S (sold)
1989 Targa (sold)
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