48 volt equipment will operate between about 42 volts on the low end to about 60 volts on the upper end.
Sent from my iPhone > On Oct 26, 2021, at 3:47 PM, Peter Kranz via AF <af@af.afmug.com> wrote: > > > PS I’m seeing the 48V rack mount lifepo4 systems not being 16 cells, but 15 > cells.. so 48V at 3.2V/cell.. not sure if this is a standard or a weird move > from the vendor I’ve been using. It’s f-ing up my ability to use equipment > designed for 48V lead-acid strings though. > > Peter Kranz > www.UnwiredLtd.com > Desk: 510-868-1614 x100 > Mobile: 510-207-0000 > pkr...@unwiredltd.com > > From: AF <af-boun...@af.afmug.com> On Behalf Of TJ Trout > Sent: Tuesday, October 26, 2021 1:34 PM > To: cpeter...@portnetworks.com > Cc: AnimalFarm Microwave Users Group <af@af.afmug.com> > Subject: Re: [AFMUG] 1U/2U 48V inverter/charger for LiFePO4 48V strings > > 51.2 is the nominal voltage of lifepo4 assuming 4 x 4s packs so assume it > would support fully charged @ 16x3.65=58.4 , but it's better to spend the > same (or less) money on a 16 cell pack with one BMS instead of 4 x 12v packs > with 4 x bms but it should work. Also there are better batteries for less on > amazon, check will prowse on youtube, he reviews and tears them down. > > On Tue, Oct 26, 2021 at 10:51 AM Carl Peterson <cpeter...@portnetworks.com> > wrote: > 2. Limitation for Series Connection: > > Up to 4 identical batteries for up to 48V (51.2V). > > > > Would that mean you would want to get charge voltage down to 51.2V? > > > On Tue, Oct 26, 2021 at 12:48 PM Carl Peterson <cpeter...@portnetworks.com> > wrote: > I'm intrigued. Something like > https://www.amazon.com/LiFePO4-Battery-Perfect-Applications-Warranty/dp/B084DB36KW?th=1 > > Says Voltage Range: 10~14.6 V and 14.6X4 is 58.4 so could I just hook 4 of > these up an Eltek J series rectifier? Seems to make sense and with free > shipping it seems like the way to go. > > On Tue, Oct 26, 2021 at 12:08 PM Bill Prince <part15...@gmail.com> wrote: > They don't all have the internal BMS. Some do. Some don't. > > > > bp > <part15sbs{at}gmail{dot}com> > On 10/26/2021 9:20 AM, Gino A. Villarini wrote: > LifePoe4 have internal BMS, you can charge them with a Power Supply > > > > > > > <image001.png> > Gino Villarini > Founder / President > @GVillarini > 787.273.4143 | > <image002.png> > <image003.png> > <image004.png> > <image005.png> > <image006.png> > <image007.png> > Metro Office Park #18 Suite 304 Guaynabo, PR 00968 > <image008.jpg> > From: AF <af-boun...@af.afmug.com> on behalf of Peter Kranz via AF > <af@af.afmug.com> > Date: Tuesday, October 26, 2021 at 12:00 PM > To: 'AnimalFarm Microwave Users Group' <af@af.afmug.com> > Cc: Peter Kranz <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 > Desk: 510-868-1614 x100 > Mobile: 510-207-0000 > pkr...@unwiredltd.com > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > -- > Carl Peterson > > PORT NETWORKS > > 401 E Pratt St, Ste 2553 > > Baltimore, MD 21202 > > (410) 637-3707 > > > > -- > Carl Peterson > > PORT NETWORKS > > 401 E Pratt St, Ste 2553 > > Baltimore, MD 21202 > > (410) 637-3707 > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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