At 07:21 AM 5/16/2001 -0400, you wrote:

I really did not explain this too well. I need to have something powered
from the mains voltage - 110VAC in the USA. I understand that now days most
power supplies will operate from about 100 to 260 volts AC. I am currently
using a car battery and a customer has said they want to operate it
indoors. This makes it awkward dragging a battery around.

Thanks,

Peter
>> 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.
>
>I don't undertand the problem, just connect it to the battery.  All you need
>is some 12 gauge wire.  Car batteries have no problem with 14A, although you
>don't want to do this for many hours without the engine running to charge
>the battery.
>
>If you want to run your equipment from 110V AC, you can get "car battery
>chargers" at Radio Shack and other places.  I have one here that plugs into
>a normal AC outlet and produces 14.3V at 10A.  It has a cigarette lighter
>socket and binding posts for outputs.  I imagine there are 15A models.
>
>
>********************************************************************
>Olin Lathrop, embedded systems consultant in Littleton Massachusetts
>(978) 742-9014, olin@embedinc.com, http://www.embedinc.com
>
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