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Old 09-02-2013, 13:04   #31
noelex 77's Avatar

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Location: Full time cruising. Currently in the Med.
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Re: Battery Draw

Originally Posted by Lake-Effect View Post

current draw: 0.0A (averaged)
Great product, it has two settings
Burnt to a crisp
Soggy and underdone

There is an option of third degree finger burns.

Still it could be operator error. Nothing I try before breakfast has much chance of success.
I am not a morning person

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Old 09-02-2013, 13:25   #32
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Location: Patuxent River, MD
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Originally Posted by Cheechako View Post
a 1200 watt microwave at 120volts should be drawing 10 amps AC .... that would be 100 amps DC 12v right?
That's essentially correct. But...

INVERTER LOSS: Assuming a good wiring plant and fairly efficient equipment, you'll come closer to the actual measured (at the battery) draw if you add about 20% (inverter loss) to the wattage when making your estimate. In your example, treat the 1200w 120vac microwave as a 1440w microwave and you'll get a better picture of what the inverter will be pulling from the battery.

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