Batt voltage rises w/o charge [RE-wrenches]

[Bill Brooks]

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Drake,

Is this a grid-connected system, or off-grid system. The T-105 is fine for
low cost off-grid, but it is not a good choice for an on-grid installation.

Bill.


-----Original Message-----
From: Drake Chamberlin [mailto:solar at ecoisp.com] 
Sent: Monday, April 11, 2005 5:14 PM
To: RE-wrenches at topica.com
Subject: Re: Batt voltage rises w/o charge [RE-wrenches]


>
>Just for the record, Concorde batteries are not gel cells.

 From their web site I see you are right.  They are valve regulated sealed 
lead acid batteries.

>Aside from that, I would say that if the batteries have been sitting
>uncharged for 7 years, they are totally gone.

They must be junk.  The amazing thing is that they charge and release 
significant power.  Doing the numbers on their amp hours, if they were 
reconditioned to 50% (as the battery re conditioner says he might be able 
to do), 10 of them would store less power than four T 105s.  Four of them 
would cost around $100 bucks over the cost of the reconditioning process.

The decision (to me) seems a "no brainer," but it is up to the customer now 
that the facts have been given to him.

-Drake 

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