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Old 10-22-2019, 08:58 PM   #8 (permalink)
redpoint5
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Acura TSX - '06 Acura TSX
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My idea which I posted in the other thread is to have 2 battery harnesses in parallel in the cabin. I take a freshly charged lithium battery and plug it into the harness, and remove the previously used one to charge it indoors. Each time I take a trip, I'm starting out with a freshly charged battery, and not subjecting it to cold temperatures while it gets recharged. When the battery drains to a certain voltage, the alternator kicks on and maintains voltage.

No brain power required with this, as the only thing to remember is the freshly charged battery each time.

I bought a 5aH battery to experiment with... this thread might push me over to the point of testing. Maybe I'll work on the wiring tonight and connect a harness to the Acura.
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