On 10/9/2013 8:47 PM, Lee Hart wrote:
Rick Beebe wrote:
I am converting my lead-acid truck to 100Ah CALBs and they're all going
in insulated, heated battery boxes. I won't actively heat them in use
but if they're at or below 0C when I plug the truck in, it will run the
heaters until the batteries are warmer before turning the charger on.
0 deg.C is getting kind of cold. You may find that you want to run the
heaters anyway in the winter to keep them warmer than that. Experiment. :-)
Yes. The manufacturer says don't charge below 0C so I intend to give
myself a good buffer such as making sure they're always above 5C.
They can be discharged down to -20C, which we don't often see in
Connecticut. My intention, at the moment, is to power the heaters from
the house power rather than from the batteries. I'll be monitoring the
temperature, though, to see if I need to heat them while driving.
Like all good projects, experimentation is most of the fun :)
--Rick
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