[RE-wrenches] Storz Power Batteries

[Jeff Clearwater]

Oh and I should have mentioned Humless - they have a CEC approved server 
rack battery that they are now integrating UL 9540 on their own 
re-branded Inverter.  Cheaper than Storz Power but the inverter is 
probably a gro-watt equivalent.   So I'm sticking with Storz Power now 
so I can utilize UL 9540 on Sol-Arks.
> Jeff Clearwater <mailto:jeffc at villagepowerdesign.com>
> December 23, 2021 at 11:06 AM
> Hi Chris,
>
> My only experience thus far is ordering and getting tech support on a 
> biggish system's worth.  3 Sol Arks on 16Storzpower 5.12 KW batteries.
>
> In working with Everett and his staff I'm very impressed.  They are 
> the first to get UL 9540 on a server rack battery with the Sol-Ark.  
> They flash the Sol-Ark to synchronize with their batts.    I really 
> like server rack batteries (StorzPower, Signature Solar, Jakiper, 
> etc.)  The 5 KWH increments are nice - easy to rack. Great price - 
> quality on tear-downs and experience in the field is thus far great. 
> Same pouch cells many of the big names are using  - proven BMSs.
>
> The only limitation at this point is comm limitations.  Everett says 
> Sol-Arks are presently limited to reading 7 of those type batteries 
> per inverter.  The batteries have a 4 place dip switch arrangement for 
> ID and thus limited to 16 IDs (14 or 15 in practice depending on the 
> battery as the Inverter uses a channel).
>
> I'm solving that on one project I'm doing with Signature Solar EG4s 
> (open loop on Sunny Islands) by simply having a dedicated laptop 
> running the battery BMS software monitoring app on a PC.  That way I 
> can see SOC of every battery (and voltage of every cell and do the 
> setting feedback loop in my brain rather than closed loop - pretty 
> easy to see what's going on that way by tracking both what ennexOS is 
> telling me about the Sunny Islands and the BMS's are saying.  But 
> that's for open loop  in the Bahamas.
>
> In CA or anyplace else that cares about UL 9540 (which will soon be 
> everywhere perhaps) the integrated closed loop is the way to go so 
> loving that Storz Power stepped up to offer that.
>
> I'll let you know once I get them installed and up and running.
>
> Best,
>
> Jeff
>
>
> ~~~~~~~~~~~
>
>
>
>
>
>
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> Chris Sparadeo <mailto:sparadeo.chris at gmail.com>
> December 23, 2021 at 7:18 AM
> Hi all,
>
> Just wondering if anyone out there has had experience with Storz Power 
> batteries? Specifically in applications with closed loop comms and Sol 
> Ark.
>
> Kindly,
>
> Chris
> -- 
> Chris Sparadeo
>
>
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