Correction: 2.2k. Sorry for the confusion, my memory sucks.
William Miller
Miller Solar.com
805-438-5600
www.millersolar.com
On Sun, Nov 12, 2023 at 6:41 PM William Miller
wrote:
> 2.7 k ohms = about 37 C. Digi key or I can send you a few.
>
> William Miller
> Miller Solar.com
> 805-438-5600
>
2.7 k ohms = about 37 C. Digi key or I can send you a few.
William Miller
Miller Solar.com
805-438-5600
www.millersolar.com
On Sun, Nov 12, 2023 at 5:27 PM Roland - RES via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:
> Jerry,
>
> I have an upcoming project where I will need to add t
gt; talk to anyone with lithium batteries.
>
>
>
> Hm…
>
>
>
> William
>
>
>
> Miller Solar
>
> 17395 Oak Road, Atascadero, CA 93422
>
> 805-438-5600
>
> www.millersolar.com
>
> CA Lic. 773985
>
>
>
>
>
> *From:* Kirk Bai
Jerry,I have an upcoming project where I will need to add the resister to eliminate and batt temp charging corrections. I have not done this before can you provide where I could find a twister to achieve this?Mahalo,Roland ShackelfordPresident / OwnerNABCEP PVIP #091209-162Office 808.775.7410Mobile
-5600
www.millersolar.com
CA Lic. 773985
*From:* Kirk Bailey [mailto:k...@abundantsolar.com]
*Sent:* Sunday, November 12, 2023 3:05 PM
*To:* will...@millersolar.com; RE-wrenches
*Subject:* Re: [RE-wrenches] Integrating Fortress E-vault maxes into an SI
AC-coupled system
I went back and
, 2023 3:08 PM
*To:* will...@millersolar.com; RE-wrenches
*Subject:* Re: [RE-wrenches] Integrating Fortress E-vault maxes into an SI
AC-coupled system
Interesting
The high voltage disconnect is 58.4v.
Reconnect is 54.4v.
Maybe if the spike is fast enough the inverter trips off before the battery
Make that 222-10 for ChrgVtgFlo, not 220-10
Kirk
On Sun, Nov 12, 2023 at 3:05 PM Kirk Bailey wrote:
> I went back and looked at my notes on my recent adventure with closed loop
> SI to eFlex Fortress, and one thing I had noted at the time is that
> Fortress recommends 2.2V, 2.26V, and 2.3V for
Interesting The high voltage disconnect is 58.4v. Reconnect is 54.4v. Maybe if the spike is fast enough the inverter trips off before the battery shuts off?JayOn Nov 12, 2023, at 2:35 PM, William Miller via RE-wrenches wrote:Jay:Good question. I assumed some kind of FET circuit but that is only m
I went back and looked at my notes on my recent adventure with closed loop
SI to eFlex Fortress, and one thing I had noted at the time is that
Fortress recommends 2.2V, 2.26V, and 2.3V for the setting for ChrgVtgFlo
(220-10), depending on which of three Fortress docs I read. I think I
ended up set
Jay:
Good question. I assumed some kind of FET circuit but that is only my
assumption.
However an open relay exhibits some fairly high impedance.
The symptoms indicate the SI shuts down but the batteries remain connected.
Something allows 69 volts on the battery terminals…
William Miller
Miller
Maybe someone else knows differently but it was explained to me that the fortress batteries have a relay that disconnects the battery if the voltage gets to high or low. There isn’t any electronic device to change battery impedance besides what the actual cells are doing. JayOn Nov 12, 2023, at 12
Regarding the SI Inverters,for me it works best to eliminate the bat temp
sensor and put in a resister set to be 75 degrees, this will prevent the
charger over under charge issue.
Fun times
On Sun, Nov 12, 2023, 12:36 PM William Miller via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:
>
Friends:
I am still working on getting the E-vaults to play nice with the Sunny
Islands and Sunny Boys.
With Open loop I was getting significant discrepancies in the reporting of
SOC in the e-vaults versus that reported by the SI inverters. This
discrepancy did not diminish over time. The d
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