Even with an internal BMS, you should limit the charge voltage, at least with the rack mount lifepo4 bms's I'm seeing from china, it allows the individual cells to sit above unhealthy top voltages if you want long lifespan.
Peter Kranz www.UnwiredLtd.com <http://www.unwiredltd.com/> Desk: 510-868-1614 x100 Mobile: 510-207-0000 pkr...@unwiredltd.com <mailto:pkr...@unwiredltd.com> From: Gino A. Villarini <g...@aeronetpr.com> Sent: Tuesday, October 26, 2021 9:20 AM To: AnimalFarm Microwave Users Group <af@af.afmug.com> Cc: Peter Kranz <pkr...@unwiredltd.com> Subject: Re: [AFMUG] 1U/2U 48V inverter/charger for LiFePO4 48V strings LifePoe4 have internal BMS, you can charge them with a Power Supply <https://aeronetpr.com/> Gino Villarini Founder / President @GVillarini 787.273.4143 | <https://www.inc.com/profile/aeronet> <https://www.facebook.com/aeronetpr> <https://www.instagram.com/aeronetpr/> <https://www.linkedin.com/company/aeronet-broadband-corp> <https://twitter.com/aeronetpr> <https://www.youtube.com/user/AeroNetPR> Metro Office Park #18 Suite 304 Guaynabo, PR 00968 <https://homefi.pr/> From: AF <af-boun...@af.afmug.com <mailto:af-boun...@af.afmug.com> > on behalf of Peter Kranz via AF <af@af.afmug.com <mailto:af@af.afmug.com> > Date: Tuesday, October 26, 2021 at 12:00 PM To: 'AnimalFarm Microwave Users Group' <af@af.afmug.com <mailto:af@af.afmug.com> > Cc: Peter Kranz <pkr...@unwiredltd.com <mailto:pkr...@unwiredltd.com> > Subject: [AFMUG] 1U/2U 48V inverter/charger for LiFePO4 48V strings Looking for a 1U or 2U inverter/charger solution w/ SNMP 48V DC, 115V AC, 2000W inverter capacity.. Our normal front choice, the AlphaUPS product line, does not support voltage set points low enough for our 48V LiFePO4 float voltages. Eltek has a neat solution, but I fear its going to be quite expensive. Any suggestions? Peter Kranz www.UnwiredLtd.com <http://www.unwiredltd.com/> Desk: 510-868-1614 x100 Mobile: 510-207-0000 pkr...@unwiredltd.com <mailto:pkr...@unwiredltd.com>
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