Battery explosion [RE-wrenches]

[Bob Ellison]

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I would expect that any small battery like that would overcharge if the
panel was left in the sun long enough with no loads on the battery, sooner
or later the electrolyte will boil away and be gone.
The controller would be cheap insurance.

Bob

RE. Ellison
Supplier of;
Alternative Energy Systems & Supplies
34642 Countryman Road
Theresa, NY. USA
                               13691-2076


-----Original Message-----
From: Allan Sindelar [mailto:allan at positiveenergysolar.com]
Sent: Thursday, December 02, 2004 4:42 PM
To: RE-wrenches at topica.com
Subject: Re: Battery explosion [RE-wrenches]




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Fair question, for which I don't know the answer. Wrenches, what are safe
guidelines for when a charge controller is unnecessary? Below what C/ rate?
And is it different for an automotive starting battery that will never have
water added than for a deep cycle flooded battery?
Allan

----- Original Message -----
From: "John Veix" <john at gosolar.co.nz>
Why bother with a Sungard if the size of the panel is less than 1/3 of the
battery a/h rating ?

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