Just because it works doesn’t mean that you are going to get optimal results. Follow the link below to see the differences between flooded and AGM
https://www.trojanbattery.com/pdf/TrojanBattery_UsersGuide.pdf Josh On Tue, Oct 16, 2018, 4:47 PM Robert Boyer <dainyr...@icloud.com> wrote: > I have been cruising for over 2 years with 4 AGMs (Group 31) and a 110-amp > alternator plus solar panels. Smart regulator was not needed. > > Bob > > Bob Boyer > S/V Rainy Days (1983 C&C Landfall 38 - Hull #230) > Blog: dainyrays.blogspot.com > Email: dainyr...@icloud.com > Annapolis, MD > > On Oct 16, 2018, at 4:42 PM, Josh Muckley via CnC-List < > cnc-list@cnc-list.com> wrote: > > David, > > You need to look at the battery manufacturer's info to know the charge > profile for your batteries. To change the alternator charge profile you'll > probably need to install an external regulator. The most important part of > the profile is the max charging voltage. Most AGMs are limited to 14.6 but > it could be lower. Some stock alternators have a default max voltage of > 14.4v. This gives some flexibility and margin. > > Josh > > On Oct 16, 2018 11:26 AM, "David Knecht via CnC-List" < > cnc-list@cnc-list.com> wrote: > > I have AGM batteries and they are charged exclusively by the alternator or > solar panel. In neither case do I know of a way to regulate the charging > for compatibility with AGM. The charger for shore power is set for AGM, > but I rarely use it. Is there something I should be doing with the > alternator with the AGMs? Thanks- Dave > > S/V Aries > 1990 C&C 34+ > New London, CT > > > On Oct 16, 2018, at 11:10 AM, Rick Brass via CnC-List < > cnc-list@cnc-list.com> wrote: > > You should also be aware that there are different types of chemistry in > AGM batteries. My new ProNautic charger has 4 different programs for > charging AGM batteries, and at least one of those is pretty much identical > to the programs available for lead-acid. But the instruction manual for the > charger tells you to be sure to contact the battery supplier to identify > the exact type of AGM you are using so you can be sure to setup the proper > charging profile. > > Have you thought about going to Lithium batteries? A boater on my dock is > in process of installing 4 of them on his O’Day. Cost of the batteries is > about $300 each – which isn’t dramatically higher than good AGMs, His bank > will be between 400 and 500 AH (I forget exactly what he told me), but with > Lithium batteries you can use more than 50% of the bank capacity without > harming the batteries… you just need the correct charge profile (and a > higher capacity charger). > > Rick Brass > Washington, NC > > > > > _______________________________________________ > > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > > <pastedGraphic.tiff> > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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