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Old 06-20-2016, 01:22 AM   #15
Art
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City: SF Bay Area
Country: USA
Vessel Model: Tollycraft 34' Tri Cabin
Join Date: Feb 2011
Posts: 9,708
Funny I should see this first thing after coming back from 5 days aboard. Funny, because; my gen set batt went kaput first try I did to start gen set. Found the batt read 10.0 on multi meter. Sooo - I charged it over knight with 1 amp trickle charger. Read about 12.3 in morning with charger on its terminals. Soon as I took charger off batt.... the 12.3 reading dropped very quickly as I watched. Hit starter on gen set and got about 2 revolutions before dead again. Purchased new starter batt, installed it and went merrily on with boating. My gen set alternator charges its battery.

PS: Don't use dual purpose batt, use starter batt only for this... lasts much longer, for internal batt reasons!
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