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Hi Ken divide the wattage by the voltage, add about 10% to that figure for inverter losses. ie. 1000watts at 12v= 83.33 amps plus 10%=91.66 amps.

To save calculating I alway assume 10amps at 12v per 100watts as a rule of thumb.

The winnies got two AC units and we find that if we leave the front one on with the doors closed to the bedroom, you can hardly hear it and it cools the bedroom nicely. :D

Olley
 

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Hi ken on a 16amp supply I can run both aircons, The 110volt genny runs everything as its roughly equal to 25amps at 230volts.

My 1800watt inverter won't run either aircons or the M/Wave, the start up current is to high, it immediately trips out. I need a bigger inverter, maybe a yank 110volt one.

Olley
 
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