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[DPRG] discharging nicads and Robot Builders Bonanza redux

Subject: [DPRG] discharging nicads and Robot Builders Bonanza redux
From: Ralph Tenny rten at metronet.com
Date: Tue Oct 31 22:56:43 CST 2000

Benoit:
Use any resistor that will limit the discharge current to the proper
value. However: absolutely you must monitor the cell voltage to prevent
the cell(s) from dropping below one volt per cell. Otherwise you risk
overstressing the cells and ruining them.
Ralph

On Tue, 31 Oct 2000, Benoit Provost wrote:

> Hi,
> 
>   I am building a 12 V charger so I am interrested in
> ways to discharge the batteries quickly (for test
> purposes).  Maybe I am missing something, but is there
> something wrong in simply using a high-wattage,
> low-value resistor to load them?
> 
>   Benoit
>  
> --- gfe <gfe at coollink.net> wrote:
> > Hi Ralph
> > 
> > Still looking for some ideas on a nicad discharger.
> > 
> > 7.2 volts (6 AA cells). It looks like the goal is to
> > drain them to about 5.5
> > volts before recharging. I've used schemes that use
> > lightbulbs, but besides
> > being inelegant it seems dangerous.
> > 
> > Any ideas?
> > 
> > Frank
> > ----- Original Message -----
> > From: "Ralph Tenny" <rten at metronet.com>
> > To: "gfe" <gfe at coollink.net>
> > Cc: "Dprglist at Dprg. Org (E-mail)"
> > <dprglist at dprg.org>
> > Sent: Monday, October 30, 2000 12:20 PM
> > Subject: Re: [DPRG] discharging nicads and Robot
> > Builders Bonanza redux
> > 
> > 
> > > gfe:
> > > Did you get any response on the NiCad discharge
> > circuit question?
> > >
> > > How many cells do you want to discharge at a time?
> > > Ralph Tenny
> > 
> > 
> > 
> > _______________________________________________
> > DPRGlist mailing list
> > DPRGlist at dprg.org
> > http://nimon.ncc.com/mailman/listinfo/dprglist
> 
> 
> =====
> ---------------------------------------------------------
> |  Benoit Provost                                       |
> |  Texas Instruments Inc., Data Converter Group         |
> |  Tel: (214) 480-6728                                  |
> |  e-mail:  bprovost at ti.com                             |
> |  Web-Page:  http://amesp02.tamu.edu/~provost          |
> |  As Every Cat's Owner Knows, Nobody Owns a Cat        |
> 
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