I think you want the lvd below (not above) the bms cut volts, once the rectifier powers back up the bms will automatically reconnect.
Ideally you want to adjust the charge profile and float voltage, if using sla type rectifier just the float and charge current is sufficient I think. On Wed, Feb 3, 2021, 1:16 PM Carl Peterson <cpeter...@portnetworks.com> wrote: > For the 100AH ones we just put them on a battery shelf mounted at the > bottom of our telco rack. For the 60AH ones we put them in a > separate battery enclosure in the cabinet. > > On Wed, Feb 3, 2021 at 3:00 PM Josh Baird <joshba...@gmail.com> wrote: > >> No, they go in dedicated battery enclosures and/or sit on mats in larger >> buildings. >> >> On Wed, Feb 3, 2021 at 3:53 PM Josh Luthman <j...@imaginenetworksllc.com> >> wrote: >> >>> Specifically for ICT, you need to adjust the LVD to be higher than the >>> BMS's cut off. If you let it drop with the BMS, it's 0v and then the >>> battery is basically gone until you reset it (like drive out there and >>> physically push a button). Float voltage I'm told you need to change, too. >>> >>> Looking at the NSB100FT RED, these are nearly a foot tall. Are you >>> mounting them in the rack? That's 7U of space, which I suppose isn't >>> massive (I was previously looking at lithium ion before learning about the >>> complications, that was 6U). >>> >>> Josh Luthman >>> 24/7 Help Desk: 937-552-2340 >>> Direct: 937-552-2343 >>> 1100 Wayne St >>> Suite 1337 >>> Troy, OH 45373 >>> >>> >>> On Wed, Feb 3, 2021 at 3:01 PM Chuck McCown via AF <af@af.afmug.com> >>> wrote: >>> >>>> I presume if the float voltages are the same you could. But not if >>>> they are different. >>>> >>>> *From:* SmarterBroadband >>>> *Sent:* Wednesday, February 3, 2021 11:52 AM >>>> *To:* 'AnimalFarm Microwave Users Group' >>>> *Subject:* Re: [AFMUG] Battery recommendations at fiber hut >>>> >>>> >>>> Can you connect batteries like this, with built in BMS, directly into a >>>> system like ICT made for SLA/AGM? >>>> >>>> Adam >>>> >>>> >>>> >>>> *From:* AF [mailto:af-boun...@af.afmug.com] *On Behalf Of *Louis >>>> Arsenault >>>> *Sent:* Wednesday, February 3, 2021 4:48 AM >>>> *To:* AnimalFarm Microwave Users Group <af@af.afmug.com> >>>> *Subject:* Re: [AFMUG] Battery recommendations at fiber hut >>>> >>>> >>>> >>>> We have been using PowerTec Solutions >>>> >>>> >>>> https://www.powertecsolutions.net/solutions/#psi-micro-vision-48v-rackmount-battery-series >>>> >>>> We have 4 of them setup in the fiber hut. >>>> >>>> They have a BMS to protect the batteries from overcharging / >>>> overcurrenting >>>> >>>> >>>> >>>> On Tue, Feb 2, 2021 at 3:33 PM Josh Luthman < >>>> j...@imaginenetworksllc.com> wrote: >>>> >>>> I'm looking at a 1200 watt load and would like to see 2 or 3 hours of >>>> run time. Everything's 48vdc. >>>> >>>> >>>> >>>> I'm kind of leary about using lithium ion since I'm using an ICT power >>>> supply and their system is designed for SLA/AGM. >>>> >>>> >>>> >>>> What kind of things should I be looking for? I thought these looked >>>> pretty good: >>>> >>>> >>>> https://www.batteriesplus.com/productdetails/battery/sla-sealed-lead-acid/12/wkdc12=80pus >>>> >>>> >>>> >>>> 12v*80a=960whr >>>> >>>> 4 of these = 3840whr >>>> >>>> Runtime upwards of 3.2 hours (obviously there will be loss, but >>>> shouldn't I expect 2+ hours)? >>>> >>>> >>>> >>>> Josh Luthman >>>> 24/7 Help Desk: 937-552-2340 >>>> Direct: 937-552-2343 >>>> 1100 Wayne St >>>> Suite 1337 >>>> Troy, OH 45373 >>>> >>>> -- >>>> 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 >>>> >>>> -- >>>> 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 >>> >> -- >> 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 > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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