Do you really need a ups? What's the use case? I understand LiPoFe is preferable to Li-ion (longer life, less chance of > fire). Is this correct? *Yes* > > Can the BMS compensate for a for lead-acid UPS's charging profile? *No, > but most lifepo4 16s will be similar to vlra voltages, ideally you want to > adjust charger output to compensate* > > Is there a battery with a BMS that can be monitored via a network > connection. *maybe, usually would be monitored by your inverter, etc, not > necessarily needed * > > Any recommendations for where to buy batteries in pallet-level quantities? > *batteryhookup* > > > On Tue, Sep 5, 2023 at 11:18 AM Robert <i...@avantwireless.com> wrote:
> Lead acid is still the go to for combustion vehicles and low temperatures > without grid to heat. That might change but for now they is still plenty > of market. That said, when the vendors for LFP decide to change the BMSs > to do what is needed and the lower temp chemistries are worked out, yes, > lead acid will go away. If lithium Titanate becomes economical that will > destroy lead acid... > > On 9/5/23 7:52 AM, Chuck McCown via AF wrote: > > I have had little lithium experience to date but I think the answer to all > of your questions is YES. > > The solar guys have been quoting deals like this: 305ah 3.2 Grade B cell > ($89) x 32 = $2,848 for 31kwh, 610ah, 51.2v 16s2p configuration for a 48v > system > > That is 9 cents per watt hour. Half the cost of lead acid, will do many > more cycles. Much lighter. Much smaller. I think that you should sell > your stock in the lead acid battery factories. > > Best Regards, > Chuck McCown > > McCown Technology Corporation > 8401 N Commerce Dr > Lake Point, Utah 84074 > 801-250-9503 Office > 435-830-4306 Cell > www.mccowntech.com > www.microtrench.pro > www.terabitnetworks.com > > *From:* Brough Turner - netBlazr > *Sent:* Tuesday, September 5, 2023 5:38 AM > *To:* Chuck McCown via AF > *Cc:* Brough Turner > *Subject:* [AFMUG] 120v UPS with Li-ion or LiPoFe batteries - some > questions > > I understand LiPoFe is preferable to Li-ion (longer life, less chance of > fire). Is this correct? > > Can the BMS compensate for a for lead-acid UPS's charging profile? > > Is there a battery with a BMS that can be monitored via a network > connection. > > Any recommendations for where to buy batteries in pallet-level quantities? > > Thanks, > Brough > > ------------------------------ > -- > 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 > -- Thank you, TJ Trout Volt Broadband 209.480.3122 Cell
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