[aprssig] battery enclosure.
John Kraus
jfkraus3 at cox.net
Sun Apr 24 21:08:49 EDT 2005
Of course if you want a really long run time you can buy 6v golf cart
batteries and put them in a plastic tool box designed for mounting in a
truck. Wired in parallel two give 220 amp hours at 12volts. Cheap ones
run about $50 apiece. I use two of these to provide power for my stations
ac needs and I have a 750 watt inverter that will run the refrigerator or
several compact florescent lights. The setup here is 220 amp hours as
above. Even better would be a couple of Trojan L-16's but that gets pricey.
With a good charge on them they will run my fridge for 6 hours. In actual
use I only run the fridge when I am charging the batteries. Two hours will
refreeze the freezer compartment. The system worked well during the 5 days
we were without power during the last hurricanes My frozen foods never got
above 25 degrees. While it is not the most efficient method I used the car
to charge and run the fridge via a jumperset made from #1 welding
cable. If I did not have so many trees I would put up some solar panels
and add a charge controller.
In shack is a 95 amp hour AGM that can be paralleled with the above if
needed but is normally separate and floats in parallel with the 30 amp
power supply.
PS: to stay on topic this system also ran a temporary APRS digi and laptop
UI-View station since my main one was down.
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