You are going to have to run the generator or be plugged in unless you get an inverter. Ideally you will need a good size battery bank (at least 300 amp-hours) and an auto start for the generator. 600 watts is a draw of about 60 amps per hour @ 12 volts or 3 hours on the batteries before you need to recharge the batteries.
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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