Size of solar maintainer for car battery?
Had a 2.4W panel for $30 or so, on my truck while in storage. Seemed to be adequate at latitude 27 with plenty of sun and almost no clouds. Flat on the roof. Didn't worry much because the battery was...
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I have been using a tiny (2~3 watt) panel on the dash to keep my seldom used truck alive for years at 43°N. This is Michigan, things get moldy if they don't freeze, but they never get sun bleached.
Matt.
Matt.
