[RE-wrenches] ~5,000 amps @ 48 volts

[Michael Morningstar]

A couple or three Discover HVs and Sol-Ark 60ks. Done quickly

On Fri, Dec 19, 2025 at 1:00 PM Kirk Herander via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Why 48v, why not commercial DC, like 850? What are you looking at for kwh
> storage? A1000vdc buss, homemade or otherwise, would drop the buss rating
> down to about 300 A. Commercial grade  inverters, such as 3-phase Delta PCS
> inverters are spec'ed for these situations.
>
> On Fri, Dec 19, 2025 at 1:13 PM david quattro via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> Hi everyone,
>>    I am still helping an uber wealthy owner determine if he really wants
>> this much power. If he does, do any of you have experience sourcing a 48v
>> battery-combiner on the order of 4500 to 5000 amps?
>>   I also want to get clear on how to best wire from batteries to
>> combiner, and from combiner to inverters. I read here on the Wrenches list
>> about some electricians who strategically sized conductor AWG so that
>> resistance matches, which seems straightforward once we get our components
>> mounted and accurate distances can be determined. Can anyone on list
>> provide feedback about that, I really appreciate it!
>> Thank you
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>
> --
>
>
> *Kirk Herander / **kirkh at vermont.solar <kirkh at vermont.solar>*
>
> *Owner|Principal, VT Solar, LLC*
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-- 

Michael Morningstar


Morningstar Electric Inc

PO Box 1494

Mount Shasta, CA 96067

530-921-0560

CSLB 1116835

mjmorningstar at gmail.com
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