From: Ryan Gill (rmgill@mindspring.com)
Date: Fri Dec 17 2004 - 23:00:58 PST
At 10:46 PM -0800 12/17/04, chance wolf wrote:
>
>I've got both the 24V and 12V ones at work, but if you have one bad battery
>in a series setup and charge it with 24V - you'll have an experience similar
>to Buzz's. What seems to happen is that one crap battery sucks 40 amps out
>of the charger in an attempt to (hopelessly) charge, and that same 40 amps
>gets dragged through your good battery because they're charging in series.
>One boils dry and gasses its innards into the atmosphere, and the other gets
>really warm. Anyhow, that's how it was simplistically explained to me, and
>sad to say I've had ample opportunity to see it in practice too.
As a battery approaches full charge, it's
internal resistance increases. When they're in
series, the fully charged battery does in fact
begin to boil up because it's getting too much
amperage whereas the low battery's resistance is
lower and it doesn't take as much of the charge.
--
--
Ryan Gill rmgill@SPAMmindspring.com
----------------------------------------------------------
| | | -==----
| O--=- | | /_8[*]°_\
|_/|o|_\_| | _________ | /_[===]_\
/ 00DA61 \ |/---------\| __/ \---
_w/|=_[__]_= \w_ // [_] o[]\\ _oO_\ /_O|_
|: O(4) == O :| _Oo\=======/_O_ |____\ /____|
|---\________/---| [__O_______W__] |x||_\ /_||x|
|s|\ /|s| |s|/BSV 575\|s| |x|-\| |/-|x|
|s|=\______/=|s| |s|=|_____|=|s| |x|--|_____|--|x|
|s| |s| |s| |s| |x| |x|
'60 Daimler Ferret '42 Daimler Dingo '42 Humber MkIV (1/3)
----------------------------------------------------------
This archive was generated by hypermail 2.1.4 : Sat May 07 2005 - 20:38:54 PDT