<VV> Electric Corvairs
jvhroberts at aol.com
jvhroberts at aol.com
Fri Dec 2 09:01:28 EST 2011
I knew you'd get a charge out of that! And I'll bet this car doesn't have an HRPT!!
John Roberts
-----Original Message-----
From: ricknorris <ricknorris at suddenlink.net>
To: info <info at california-camping.de>; jvhroberts <jvhroberts at aol.com>; joelsplace <joelsplace at earthling.net>
Cc: virtualvairs <virtualvairs at corvair.org>
Sent: Fri, Dec 2, 2011 6:44 am
Subject: Re: <VV> Electric Corvairs
So,
Concerning GM's problems with the Chevy Volt and recalls...means they have a
revolting development!
Chester A. Riley (look it up)
---- jvhroberts at aol.com wrote:
>
> It's not so much the same voltage among the cells, it's the issue of
overcharging/undercharging any given cell, which is utterly fatal to Li-ion
cells. As such, each cell needs to be monitored and charged individually. Look
at a laptop battery connector. The number of terminals is the number of cells +1
for that reason.
>
> Fortunately, thanks to cheap integrated circuits, there's lots of chips out
there that do exactly that function, and lots of times, they're built right into
the battery.
>
> That way, the battery, at the end of charge, has all the cells fully charged
and none overcharged. Also, when the battery is discharged, the battery shuts
down when any one cell hits the low voltage threshold.
>
>
>
> John Roberts
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