$350 I got it from Inverter Supply in Royal Palm Beach, FL you should double check with Magnum that this is the correct card for your model #: Magnum Energy, TCB-MS2812, Control Board (MS2812 Inverter)
1 350.41 350.41 ------------------------------ Subtotal: 350.41 Free Shipping Option (Free Shipping):: 0.00 Order Total: 350.41 *David Quattro* President On Tue, Nov 3, 2026 at 6:16 PM Dave Tedeyan <[email protected]> wrote: > I will be doing this soon as well. My homeowner has two PT-100 charge > controllers and a BMK as well. I was planning on using the relay in the > charge controller to control a 30 or 40a contactor (with a 48vdc coil) to > cut out the loads once the battery voltage gets too low. Magnums LBCO only > goes up to 48.8v. And Sol-Max recommended using 50v for their powerflo5 > batteries. > > And thanks to Zeke for also pointing out (this was specifically for the > powerflo5 batteries): > Make sure you adjust the settings on the magnum inverter and charge > controllers for the batteries. The default DIP switch settings on the > PT100 or inverters will not work properly with most lithium batteries. > They need to be set for absorb voltage of 57.2 volts for the PF5 > batteries, for 10 minutes. Float voltage of 54.0 volts. The defaults all > try for a longer absorb time generally a minimum of one hour, which can > make the lithium batteries rather unhappy. > > > On Tue, Nov 3, 2026, 11:03 AM jay <[email protected]> wrote: > >> Thanks david >> >> What does a new card cost and are they available from the new magnum? >> >> jay >> >> On Nov 3, 2026, at 8:55 AM, David Quattro <[email protected]> wrote: >> >> I recently replaced Lead acid with Lithium with a Magnum. You will need a >> to buy a new card from Magnum - original card doesn’t have the proper >> charging protocol for lithium. >> >> >> *David Quattro* >> President >> >> On Mon, Nov 2, 2026 at 12:34 PM Jay <[email protected]> wrote: >> >>> I have someone wanted to do lithium on an older magnum. They don’t >>> charge with generator often. >>> >>> I seem to vaguely remember someone having issues with magnum and lithium? >>> Anyone know? >>> >>> Thanks >>> Jay >>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> Pay optional member dues here: http://re-wrenches.org >>> >>> List Address: [email protected] >>> >>> Change listserver email address & settings: >>> >>> https://lists.re-wrenches.org/mailman/options/re-wrenches_lists.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]/ >>> >>> https://lists.re-wrenches.org/pipermail/re-wrenches_lists.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: >> >> https://lists.re-wrenches.org/mailman/options/re-wrenches_lists.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]/ >> https://lists.re-wrenches.org/pipermail/re-wrenches_lists.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: >> >> https://lists.re-wrenches.org/mailman/options/re-wrenches_lists.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]/ >> https://lists.re-wrenches.org/pipermail/re-wrenches_lists.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: > > https://lists.re-wrenches.org/mailman/options/re-wrenches_lists.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]/ > https://lists.re-wrenches.org/pipermail/re-wrenches_lists.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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