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Old 02-01-2012, 06:33 PM   #40 (permalink)
njlou
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Alternator vs. no alternator thread:

The use of a spare battery to reduce alt loading has merit.
I wonder if you could just manually switch the alt on/off as needed.

Late model BMWs shut off the alt when the battery reaches~80% charge.
Then the remaining 20% gets charged by putting the alt on when the brakes are applied or when the car decelerates.

This has a decelerating effect so you are actually "recovering" energy which goes to the battery.

Maybe you could do something similar - manually with a gauge and a switch???
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