Check out this <http://www.marine-electronics.net/techarticle/battery_faq/b_faq.htm#3> and scroll down to section 3.4 Keith O On Mon, Jun 9, 2008 at 10:32 AM, Jeffrey Vickers <jeff@vickersdesign.com> wrote: > Speaking of not draining your battery past a certain point---how do > you determine what that point is? I recently charged up my batteries > and after a few hours, they both settled down to 12.75. Now that I > know the fully charged voltage, how do I determine the fully > discharged voltage so that I can find the voltage number that > represents 50 - 80% of discharge? I've seen a few charts but the > numbers don't match my numbers... > > Jeff / San Anselmo > On Jun 9, 2008, at 9:58 AM, Automatic digest processor wrote: > >> >> Date: Mon, 9 Jun 2008 07:38:27 EDT >> From: Frank Condelli <RAlanen@AOL.COM> >> Subject: Re: Battery Woes/Choice >> >> In a message dated 08/06/2008 1:31:31 P.M. Central Standard Time, >> LISTSERV@GERRY.VANAGON.COM writes: >> >> The less a battery is drained/discharged the longer it will last. >> Strictly >> speaking, flooded batteries are not designed for repeated deep >> discharges, >> so when used in this manner, they fail prematurely. Frank was >> acutely aware >> of this fact, so chose to buy from a place that had a great warranty >> service, as did I. >> >> >> >> >> >> >> >> >> >> You do know that there is a good way to extend the life of the >> standard >> automotive starting flooded cell battery ? Koolatron and others >> sell a limiter >> that will shut off the drain on a battery once it reaches critical >> levels >> preset by the manufacturer of the gadget. I forget all the details >> of it but I >> got mine from Kootatron and it was made for their fridges to keep >> owners from >> wrecking the batteries in their vehicles. See the Koolatron website >> for >> details. >> >> Cheers, >> >> Frank Condelli > |
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