Peter Grey wrote

> I need to drive some equipment that requires 12 volts (car battery) at 14
> amps. Initially it will require 10 amps while heating and then
> intermittently to maintain temperature on the heaters. I want to have
> something external to the equipment and preferably UL approved. I would
> prefer if it was available in the USA but this is not essential. Of course
> cost is, as always, a major consideration.
>

A 12 volt car battery with a 5 to 7 Amp charger. (Charger sized to top up
battery when not supplying load)

Or look for Amateur Radio Suppliers. They stock 13.8 volt power supplies
for powering Amateur Radio Equipment.

Regards
Chris Carr

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu