Eric, is the Dick Smith Lab supply powered from the mains? My impression is that Sad wants something like a battery pack - perhaps a jump-start. I run my Nexstar from one of these together with a dew heater and get at least 5 hours running and probable more. I don't believe the 12 Volt requirement is a problem. This is just a nominal voltage and 13.6V won't blow anything.
Robert
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