Missing text (was Sealed battery choices) [RE-wrenches]

[Michael Welch]

Hi gang. Some of us saw the message, and apparently some of us got blank messages. I saw the original go by, and it looked fine.

I do not know why this happens, I have not seen a pattern. It has happened a lot less than earlier this year, though I have had a couple of recent complaints.

Anyway, I am aware of the situation, and the only thing I can advise to folks posting at this point is to make sure your mail program is sending plain text, without special formatting, colors, html, etc. 

Thanks

Jeff Lahl wrote at 01:13 PM 05/19/2006:
 
>Sorry, for some reason the message body got dropped off the first time....
>   
>  Hi Wrenches,
>  Have recently rejoined the group after a long absence so please excuse if this is an old, already-covered topic.
>   
>  We're going to need sealed batteries for several dozen rural health centers in East Africa and are trying to figure out the best to use.  Up to now, we've mostly used standard wet batteries so we're on a learning curve here.  My reading seems to indicate that AGM is more state-of-the art than gel but I am getting conflicting reports on specific products: for instance in the 12v 250ah class, I'm hearing that the Deka gel has better cycling life than the Concorde AGM.  Anyone have alot of experience with either, and especially with comparing the two?  What kind of life are you seeing under what DOD?
>   
>  In a heavier, industrial class, does anyone have favorite sealed batteries?  I'm aware of Unigy and Absolyte - are there any others to consider?
>   
>  Finally, I'm more than a little concerned about a charge controller failure resulting in overcharging and ruining these $4,000 battery banks in remote locations.  Has anyone tried integrating a voltage-tripped relay that would open the charging circuit - as a kind of fail-safe mechanism?
>   
>  Will appreciate input on any of the above.
>  Thanks much,
>  Jeff Lahl
>  Project Director, Solar Electric Light Fund
>
>
>Jeff Lahl
>155 Keonekai Rd
>Kihei, HI 96753 USA
>808 874-5706 (Phone and Fax)
>808 283-0875 (Mobile)

  
------------------------
        
Michael Welch
Submissions Coordinator
Sr. Research Editor
     Home Power magazine
     www.homepower.com


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