Yes, the Patriot's internal battery is charged from another battery but now the question becomes how do you know what level (percent) of charge that battery is at before, during, or after using it? I had a reputable dealer install my system but they evidently did not charge the Patriot and I ended up with a depleted car battery after 2-1/2 hours of towing.
Thanks!
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Ed & Robin Lively
with Nina, Kitt, and Mickey
2016 Thor Synergy TT24 (a.k.a "Ming")
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