That diode will probably net you a 700mv drop. Two in series 1400mv. Pensionerd On Tue, Mar 15, 2011 at 7:39 AM, mark drillock <mdrillock@cox.net> wrote: > I have a simple setup with a 1314 and the 125ah led acid deep cycle. The > aux battery sees about 14.5 volts while I am driving. My battery did not > experience any loss of water but it did lose at least half of it's rated > capacity in less than a year. Whether this problem is due to charging > method or simply a poor battery is a question I would like to answer but > can't. > > My current plan is to put in a switched voltage drop to let me reduce > the charging voltage on long drives, after some initial period of full > voltage to allow fast charging. I plan to use a big diode for the > voltage drop. > > Mark > > > > > David Beierl wrote: > >> At 10:04 PM 3/14/2011, Daryl Christensen wrote: >> >>> OK…My van charges at about 13.6 to 13.8 or9 max. All the spiffy >>> temp/voltage AGM battery chargers I see are 120V AC input.. >>> Is there an onboard “charger widget” for upping the charge voltage to >>> the 14.4 the AGB batts need? >>> >> >> Yes, but you're not going to like it. Because getting up there is easy >> (at least on Bosch alternators) - drop-in adjustable regulators are easy >> to get. It's getting back down that's the problem, 'cause if you keep >> the voltage up there you'll boil the thing dry. >> > |
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