10-01-2004, 05:09 AM
2001 ZTS,Sep 30 2004, 06:50 PM Wrote:yeah, I figured in another 10% loss if I used an inverter instead of trying to fire the block heater directly from DC current... and 130Ah batteries are really 'spensive!darkpuppet,Sep 30 2004, 06:34 PM Wrote:haha.. a 'typical' car block heater consumes 600 watts :o ... um, how long would a marine battery last?P=VI
600W=12V*X
X=50A
The biggest deep cycle Crappy Tire sells is 103 Amp-hours. It will work for two hours in your case. Not looking good Steve. soory to get your hopes up.
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