[RE-wrenches] Magnum System - Discharged Battery Bank

[RE Ellison]

If a battery gets discharged to far it goes into what's called reversal The positive actually becomes negative and vice versa

When you start charging them it will go back to normal


Bob Ellison

> On Dec 19, 2014, at 9:48 AM, Corey Shalanski <cshalanski at joule-energy.com> wrote:
> 
> Update on my investigation:
> I visited the customer's house yesterday to set up a pulse charger. Much to my surprise the three batteries that originally registered negative voltage are now reading positive. Does this make sense - are batteries able to shift between negative and positive voltages at such a low charge level?
> 
> I do not see any evidence of distorted cases.
> 
> 
>> On Thu, Dec 18, 2014 at 7:58 AM, <jay at asis.com> wrote:
>> 
>> I second tump.
>> Most likely a bad /cell battery took out the system.
>> As these are VRLA batteries, I'm curious do,the cases look damaged such as expanded or sunk in?
>> 
>> Jay
>> Peltz power
> _______________________________________________
> List sponsored by Redwood Alliance
> 
> List Address: RE-wrenches at lists.re-wrenches.org
> 
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> 
> List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html
> 
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
> 
> Check out or update participant bios:
> www.members.re-wrenches.org
> 
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20141219/82a384bd/attachment-0002.html>