Thread: Civic EPES: Alternator Delete Project (with additional lithium battery...)
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Old 03-10-2012, 07:28 PM   #86 (permalink)
California98Civic
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Join Date: Mar 2011
Location: Coastal Southern California
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Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 66.42 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
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Quote:
Originally Posted by Daox View Post
Are you using a deep cycle battery, or starting battery?

Also, when its colder, a battery's voltage will sag more under load. As it gets warmer out you should see it recover at least some.
It is deep cycle, but I opted for the unusual step of a much smaller battery, an Odyssey PC625, which was actually designed for a motorcycle. I greatly reduced electrical loads (lights mostly). I have wondered if the 40amp current from the alt might be overcharging and damaging the battery: how powerful is the typical motorcycle alternator?
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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