Posted by HenryO on December 01, 2020 at 11:31:41 from (69.135.98.34):
Over the last 50 ears I have dealt with batteries either in cars, boats , airplanes and Farmall tractors. I would like to discuss newer 12 volt Batteries.I was under the impression that 12 volt batteries fully charged rested between 12.8 and 13.4 volts. In 1986 I installed 8 gel cell group 30's in my 48 ft sailboat. I had the charger and alternator set at 13.8 , the manufacturer recommendation. They lasted through tough use for 12 years. Then I decided to replace them with AGM's, set charging at 14.4 (again manufactures recommendation) and used them for another 8 years, Now in a car I just bought the alternator goes from 14-8 to 12.8 under way and drops to 12.1 at shutdown. Once I SAW 11.8 which I always thought was a dead battery Car starts fine after sitting four days. What say you
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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