I agree absolutly. But Outback and Apollo are the only systems that monitor and control on SOC. Apollo can operate a relay, and Outback can change settings using the FMDC. I think both systems with a few tweeks are the better way to handel AGM. DARRYL
--- On Sat, 9/19/09, Hugh <h...@scoraigwind.co.uk> wrote: > From: Hugh <h...@scoraigwind.co.uk> > Subject: Re: [RE-wrenches] Charging AGM Batteries > To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org> > Date: Saturday, September 19, 2009, 4:21 AM > It seems to me that you really need > to have a controller that monitors the state of charge in > order to do a good job of recharging sealed batteries. > If they are low then you can push the voltage up but if they > are in an intermediate indeterminate state as with most > small renewable energy systems then you don't know what to > do. Playing safe can mean that the battery does not get a > proper charge (I am told). > > > The chargers typically found in our industry deliver > the same "bulk" charge amperage from initiation of the > recharge all the way to when the absorption voltage is > reached. So...if you set that for a high value the same high > rate would be present not only when the battery is highly > depleted but also when the battery is approaching 80% state > of charge. That seems scary to me. > > > -- Hugh Piggott > > Scoraig Wind Electric > Scotland > http://www.scoraigwind.co.uk > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > _______________________________________________ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org
