Thanks gentlemen, Did any of you change your alternators when you made the switch to AGM? I've read that AGMs can burn up alternators since they pull up to 75% of their rated amp hours when charging.
Mike --- In [email protected], John Oppenheimer <k...@...> wrote: > > AGM battery chemistry is only slightly different the flooded cell > batteries. Therefore, no change is necessary to move to them. Though > many of the new automatic three stage chargers do have an AGM setting > which adjusts the voltages slightly. > > I got a set of two Optima Blue Tops several years ago from Sam's. they > work great! They are a little smaller then the 24 size. > > John > > On 06/28/2010 08:57 AM, mkeller23173 wrote: > > Well folks, it's time to replace the West Marine lead acid batteries > > unfortunately (low voltage and autopilots do not mix apparently). > > > > I think I might splurge and get the Deep Cycle AGMs. I know that these > > charge differently from regular lead acid batteries and therefore need to > > double check the AC Charger and alternator. > > > > The AC charger is by Charles Marine, a 5000 series. According to the site, > > it charges all three kinds of batteries with no settings needed so I think > > I'm good on that front. > > > > Regarding the alternator, does anyone know how to check if it provides the > > correct voltage for AGMs? The engine is a Yanmar 20GM20F, but I'm not even > > sure where to start looking for info on that one. > > > > Many thanks, > > > > Mike > > > > > > > > > > > > ------------------------------------ > > > > Yahoo! Groups Links > > > > > > > > >
