Originally Posted by Puddin'_Tain
No, no, NO!! A Watt is a Volt*Amp (there are no units of time involved; unless you want to define Watts as joules/sec). So 1500W = 12.5V*120A. At that rate a pair of Trojan 105 batteries will be 50% discharged in well less than 1 hour. Even a fairly quick meal will draw the average sailboat house bank down to or below its useful capacity. Two burners and/or three meals a day.....? You're either going to have to run the engine several hours a day or have a genset. Physics doesn't lie.
while you guys are discussing electrical appliances on a boat, someone previously referred to microwave use on a boat. i had never considered that because i figuered the the energy requirements would be too great. out of curiosity ( i wouldn't want to actually use up the extra space ), how practical is microwave use on a boat? as far as battery usage, i mean.