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OK, the Tequipment Battery Maintainer can only be used through the cigarette lighter, right? Since I have no power where the car is stored I plan to take the battery out and maintain it indoors. What maintainers come with clamps for this scenario? ( I suppose most standard ones?) Any non-Porsche-OEM maintainers someone could recommend? How long can I keep the battery indoors without a maintainer before it really starts needing one?
Thx,
Z.
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