Hi Jeremy, I am under the impression that leaving at least 10% of capacity will extend total cycle life. The chart states 50.4 volts is a 10% SOC. Then there is the LBCO delay time that may allow battery shutdown before the inverter does.
Of course the OB FX LBCO upper limit is at 48 volts thus the recent search and discussion for a seamless external inverter shutdown to get users attention if an AGS is not in the mix. Wallace Stahle Future Electric Energy Co PO Box 236 Willits, CA 95490 707-459-0474 Lic.#C10-762093 [email protected] > On Feb 3, 2025, at 7:11 PM, Jeremy Rodriguez via RE-wrenches > <[email protected]> wrote: > > Today I installed 3 of the MN > POWERFLO 5 batteries with an OBVFX3648 > Per the battery label I was able to set the inverter LBCO to 46 vdc. > I see that the battery BMS range > Is 44.8-58 vdc > We should be good to go. > > > Jeremy Rodriguez > Solar Installation / Design > All Solar, Inc. > 1453 M St. > Penrose Colorado 81240 > > Sent by Jeremy's iPhone. Sorry for typos and shorthand. > >> On Feb 3, 2025, at 1:47 PM, Nick Lucchese via RE-wrenches >> <[email protected]> wrote: >> >> >> Here is the voltage vs SOC approximation chart from Midnite. Was helpful for >> me on my first couple installs as I awaited some additional details about >> their batteries. >> >> Nick >> >> On Mon, Feb 3, 2025 at 6:50 AM William Bryce via RE-wrenches >> <[email protected] >> <mailto:[email protected]>> wrote: >> Hi Jay >> >> The settings for the MNS Batteries are on a sticker on each battery. >> >> BMS- LVCO 44.8 HVCO 58V (The HVCO is not on the sticker) >> LVCO (inverter) 46.0 >> Float 54V >> Bulk 56.1V >> >> The rest of the you can set to what you want, the battery does not care. >> All Prismatic cells operate mostly the same, and the MNS Batteries use A+ >> Automotive cells MFG by EVE. >> >> Thanks >> >> Logan >> >> >> On Mon, Feb 3, 2025 at 8:47 AM Jay via RE-wrenches >> <[email protected] >> <mailto:[email protected]>> wrote: >> Hi Bill >> >> I tried and failed to find any setting information on that battery besides >> charge and float. >> Kinda need to know things like LVD, recommended LBCO, etc. >> But if it’s similar to other prismatic cells you should be able to set the >> OB inverter to a LBCO that works without having to go through a aux relay. >> >> Jay >> >> > On Feb 2, 2025, at 9:53 PM, Bill Battagin via RE-wrenches >> > <[email protected] >> > <mailto:[email protected]>> wrote: >> > >> > Have any off-gridders done a system with Powerflo16's to power pre-LFP >> > OB/FX inverters? The FM80's LFP settings in this system are compatible >> > with LFP but I'm looking for options other than using the Aux in the CC's >> > wired to a NC relay and from there to the inverter on/off landings in the >> > green terminal of the OB/FX for the LBCO and reconnect function. >> > >> > I've been down this road before, though a different equipment. >> > I've used the Aux from a Classic for inverter LBCO and reconnect though >> > its never been fully "tested", although I read "open" and closed" at the >> > un-wired aux landing when I forced it with a high LBCO setting. Just >> > thinking about the highest reliability. >> > >> > Thanks in advance. >> > >> > Bill >> > >> > Feather River Solar Electric >> > Bill Battagin, owner >> > 4291 Nelson St. (Shipping) >> > 5575 Genesee Rd. (USPS, UPS) >> > Taylorsville, CA 95983 >> > 530-284-7849, 258-1641(cell) >> > CA. 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