PV: Battery Box?

[Peter Hoyt <hoytp01@satx.rr.com>]

Hello,

I am designing a PV power system for my cabin. Currently, I'm concerned 
about battery housing. My present design, on paper only at this point, uses 
8 Trojan L-16 batteries configured for 24 volts.

I would like to know if anyone has come up with a good way to provide 
optimum temperature conditions for their battery bank that doesn't involve 
a lot of energy just to maintain the temperature inside the battery container.

It gets very hot here in South Texas in the summer and often reaches a low 
in the 20s in the winter. Obviously I need to do something to moderate 
those conditions if I expect the batteries to last more than a year. 
Besides a well insulated container, what else can I do?

I've thought about providing heat with a thermostatically controlled solar 
hot water system for the winter. That should be fairly practical. For the 
summer I've thought about doing the same sort of thing with well water to 
reduce the temperature of the batteries.

Does anyone have any advice or experience on the subject?

Thanks,
Peter Hoyt
San Antonio, Texas

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