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Old 29-06-2009, 18:53   #3
forsailbyowner
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Join Date: Sep 2007
Location: Tampa to New York
Boat: Morgan 33 OutIsland, Magic
Posts: 445
15amps x 120volts=1800 watts

1800/3. 1/3 hour or 20min
600watts/12. =12vamp hrs
50 amp hrs from batteries

Here's my guestimate
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