[RE-wrenches] Fortress

Thu Feb 15 10:40:53 PST 2024

Yes, the site I mentioned is only for the fortress envy inverter.

I’ve had the same weather as you, being in northern Vermont, that is where
that system crashed that I mentioned in the previous email, definitely did
not reach a full state of charge in January.

 The national weather service reported it was the cloudiest January since
1951.

*Kirk Herander / **kirkh at vermont.solar <kirkh at vermont.solar>*

*Owner|Principal, VT Solar, LLC*

*Celebrating our 33st Anniversary 1991-2024!!*

dba Vermont Solar Engineering

802.559.1225

On Thu, Feb 15, 2024 at 1:11 PM Dave Tedeyan via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Kirk,
>
> That site looks specifically for the Envy inverters. Do you know if the
> Guardian site is working? My credentials will not get me in at this time.
> www.app.fortresspower.io
>
> My sites have no comms between the batteries and the inverter, since it is
> an Outback system.
>
> And yes, there is certainly an issue with SOC drift over time without
> getting a full charge. I was told by Fortress tech support that the eFlex
> batteries needed to get over 55V to calibrate the SOC. Yet, in their
> settings, the generator is only supposed to bring them to 54.4V. The solar
> will bring it higher. But this was a problem here in upstate NY, where we
> did not have a sunny enough day in the entire month of January.
>
> Cheers,
> Dave
>
>
> On Thu, Feb 15, 2024 at 12:30 PM Dave Angelini Offgrid Solar via
> RE-wrenches <re-wrenches at lists.re-wrenches.org> wrote:
>
>> So this is all open loop with outback correct?  I can't even get into
>> Simplyphi. website today. Maybe the windows update...
>>
>> The battery below was suppose to be networkable but it looks like not
>> much progress.
>>
>>    - Model: AmpliPHI 3.8kWh
>>    - Inverter compatibility: Sol-Ark, SMA (coming soon), Schneider
>>    Electric (coming soon)
>>
>> A question, it looks like Outback is not closed loop with any battery
>> company. I hope I am wrong!
>>
>>
>>
>> *Dave Angelini Offgrid Solar
>> "we go where powerlines don't"
>>    <http://members.sti.net/offgridsolar/>https://offgridsolar1.com/ <https://offgridsolar1.com/>  <http://members.sti.net/offgridsolar/>
>> e-mail  offgridsolar at sti.net <offgridsolar at sti.net>
>> text 209 813 0060*
>>
>>
>> On 2024-02-15 8:57 am, Darryl Thayer via RE-wrenches wrote:
>>
>> Is it similar to my problem with my Simplify batteries? Over time, the
>> BMS did not allow all cells to charge the same. To correct this, I had to
>> charge each battery separately, and after this, they stayed equivalent for
>> more years.
>>
>> On Thu, Feb 15, 2024 at 7:50 AM Jay via RE-wrenches <
>> re-wrenches at lists.re-wrenches.org> wrote:
>>
>>
>> Hi william
>>
>> Could you share the equipment used and what issues you had?
>>
>> Thx
>> Jay
>>
>> On Feb 14, 2024, at 3:13 PM, William Miller via RE-wrenches <
>> re-wrenches at lists.re-wrenches.org> wrote:
>>
>> Peter:
>>
>>
>>
>> I have only purchased one set of Fortress batteries.  There have been
>> issues, I am sure many of them self-induced.  Fortress has been overall
>> very responsive.  There have been a few days where I could not get through
>> to technical support but with persistence I always manage.  Fortress has
>> offered truck–roll compensation at a reasonable rate as well.
>>
>>
>>
>> William Miller
>>
>>
>>
>> Miller Solar
>>
>> 17395 Oak Road, Atascadero, CA 93422
>>
>> 805-438-5600
>>
>> www.millersolar.com
>>
>> CA Lic. 773985
>>
>>
>>
>>
>>
>> *From:* RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] *On
>> Behalf Of *Peter Giroux via RE-wrenches
>> *Sent:* Wednesday, February 14, 2024 6:47 AM
>> *To:* 'RE-wrenches'
>> *Cc:* pgiroux at mindspring.com
>> *Subject:* [RE-wrenches] Fortress
>>
>>
>>
>> Good morning my fellow wrenchers. While I see the comments on SunPower
>> and the challenges, are any of you having similar issues with Fortress?
>> Their bms boards from the early classics have not held up and even after
>> replacement there are still issues ( parallel batteries and stand alone not
>> showing accurate #'s,  ). While support has been, well supportive, the
>> issues persist. Any thoughts or fixes you have come up with?? I just had a
>> customer unplug the coms cable from their sol-ark and bring their readings
>> to volts VS %% and it is starting to work a bit better. Any and all help or
>> ideas appreciated.
>>
>>
>>
>> Thx
>> peter Giroux
>>
>> American Solar
>>
>> Norcross Ga
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>
> --
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