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Date: Thu, 03 Dec 1998 11:03:25 -0500
To: JDA000@ao*.co*, rat@ne*.co*, steamboat@is*.ne*
From: Michel Therrien <m.therrien@ne*.qc*.ca*>
Subject: Re: tekna batteries
Cc: techdiver@aquanaut.com
Many batteries show specifications between 17.0 and over 18 ah.  However,
when I was looking around a couple years ago, I found that this number
clearly had no relationship with the available current on a fast discharge
rate.  

On a one-hour discharge rate, the batteries were giving between 9ah (for
the GS Portalac) to 12 or 13 ah (the Yuasa).  My specs may be a little bit
off here (I am writing this from memory).  However, all this information is
available on the various manufacturers' web sites.

Another thing that surprised me was that the Powesonic were lighter than
the other ones for equivalent power... may be the case material is
different... or may be Barry could help a little bit here in explaining this.

Michel Therrien


At 08:24 AM 12/3/98 EST, JDA000@ao*.co* wrote:
>I will have to agree with Barry on this one.  Most of the batteries you see
>out there are 17.2 amp hour.  Once in a while you will get the ones stamped
>with 18ah but this is not always the case.  I have not been able to get
>anything bigger than this for our scooters.  Anyone out there no a supplier
>for larger ones?  I have always been told by the manufacturers that there is
>not enough room to put more plates inside the battery.  

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