The life of the batteries will be longer in that service then in a deep cycling service.
-James Jefferson Jarvis APRS World, LLC +1-507-454-2727 http://www.aprsworld.com/ On Tue, Dec 2, 2025 at 6:30 AM Mark Frye via RE-wrenches < [email protected]> wrote: > > > Thanks Guys, > > > > I guess I am wondering if the overall life of the battery will suffer if > it is only ever cycled between 0 and 20% DOD and never deep cycled. > > > > > > *From:* RE-wrenches <[email protected]> *On > Behalf Of *Jay via RE-wrenches > *Sent:* Monday, December 1, 2025 3:31 PM > *To:* RE-wrenches <[email protected]> > *Cc:* Jay <[email protected]> > *Subject:* Re: [RE-wrenches] AGMs - Maintenance Cycling > > > > Agreed and especially if the batteries are in a cooler to cold environment > even less an issue as the colder temps slows down any self discharge > > > > Jay > > > > On Dec 1, 2025, at 12:57 PM, James Jarvis via RE-wrenches < > [email protected]> wrote: > > > > Is there a specific problem you are trying to resolve? If the loads are > shut off when in storage, I don't see any issue with not messing with any > charging what-so-ever for some months of storage. > > > > -James Jefferson Jarvis > > APRS World, LLC > +1-507-454-2727 > > http://www.aprsworld.com/ > > > > > > On Mon, Dec 1, 2025 at 10:47 AM Mark Frye via RE-wrenches < > [email protected]> wrote: > > Folks, > > > > I have some AGMs that are PV charged during normal use and can be line > charged when in storage (IOTA). > > > > The batteries will generally see 10-20% daily DOD and will generally > complete the absorb cycle and see a fair amount of float each day. > > > > They may be deployed in this mode for many months. > > > > After that, they will go into storage for several months. > > > > Storage will include float charging at the IOTAs regular voltage. > > > > I have the LVD set at 46V. > > > > Would it make sense to occasionally turn on the load, turn off the line > charger, let the bank run down to LVD, turn off the load, turn on the > charger with the increased voltage jumper installed, charge overnight, > remove jumper and resume normal float charging? > > > > Thanks, > > > > Mark > > > > > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > >
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