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Old 02-21-2020, 02:21 PM   #16 (permalink)
redpoint5
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Acura TSX - '06 Acura TSX
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Same experience as Oil Pan.

My Prius was something like 70% efficient charging from 120v, and 85% charging from 240v. The battery fan on the Prius runs continuously during charging, so reducing the time spent charging reduced the amount of time the fan and electronics ran.

I assume there's half the line loss by doubling voltage, but that's less of a concern than reducing the time all the related charging circuits and motors are on.

How about that Y adaptor? Think you could find 2 outlets on opposite phases? Of course, you could hardly run anything else on both of those circuits or you risk tripping the breaker.

Finally, you could get a Y adaptor for the dryer and an extension cord. They make dumb adaptors where you'd have to be careful to only run 1 at a time, and they make smart adaptors like the dryer buddy that will switch automatically.
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