# \[APP\]\[Pro\] Elekeeper / SAJ eSolar Inverters

**URL:** <https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892>\
**Category:** Apps\
**Tags:** app\
**Created:** [March 24, 2026, 10:44am UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892 "2026-03-24T10:44:27Z")\
**Posts on this page:** 14\
**Page:** 2

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**Author:** ![Per\_Rydell](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/per_rydell/32/121795_2.png) [@Per\_Rydell](https://community.homey.app/u/Per_Rydell)\
**Post date:** [September 11, 2026, 6:46am UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892/23 "2026-09-11T06:46:09Z")

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Almost everything is working fine, many thanks! The only issue remaining as I see it are the refresh issue, the app stops updating and you need to restart the app in order to see the correct figures again.

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**Author:** ![Familie\_Slootweg](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/familie_slootweg/32/56331_2.png) [@Familie\_Slootweg](https://community.homey.app/u/Familie_Slootweg)\
**Post date:** [September 14, 2026, 12:45pm UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892/24 "2026-09-14T12:45:14Z")

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Hallo Steven, sinds vandaag beschik ik over de Elekeeper app, waarmee mijn SAJ / Bliq thuisbatterij is gekoppeld. Ik gebruik vooralsnog een aparte omvormer van een ander merk. Maar ik heb wel inzage in mijn batterij

Door de koppeling met de Elekeeper app zou er toch meer data beschikbaar moeten kunnen komen voor de Homey? Zelf zou ik heel graag de capaciteit van de accu op enig moment willen weten zodat ik actiec kan ondernemen als deze te vol loopt.

Heb jij zelf nog intenties om jouw app uit te breiden?

Vriendelijke groet, Henk Slootweg

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**Author:** ![telenut](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/telenut/32/12666_2.png) [@telenut](https://community.homey.app/u/telenut)\
**Post date:** [September 14, 2026, 1:56pm UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892/25 "2026-09-14T13:56:44Z")

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I only use the inverter for my solar panels. For me, it is working quite well at the moment, though I do have to restart it every now and then. I will fix this in a future update.  
Additions for batteries can always be made by others, preferably those who actually own a battery themselves. I do not have one, so I cannot test it.  
The code is public and customizable. You can achieve a lot with AI, and it is relatively simple.

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**Author:** ![telenut](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/telenut/32/12666_2.png) [@telenut](https://community.homey.app/u/telenut)\
**Post date:** [September 14, 2026, 2:17pm UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892/26 "2026-09-14T14:17:46Z")

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Modbus over IP only works for the battery I guess, not for the Solar inverter.  
This app was created for the solar inverter.  
As told before, feel free do edit/copy/clone the code: [GitHub - telenut/be.telenut.elekeeper: Homey app for the SAJ inverters using elekeeper app (cloud) · GitHub](https://github.com/telenut/be.telenut.elekeeper)

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**Author:** ![Per\_Rydell](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/per_rydell/32/121795_2.png) [@Per\_Rydell](https://community.homey.app/u/Per_Rydell)\
**Post date:** [September 15, 2026, 3:23pm UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892/27 "2026-09-15T15:23:22Z")

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Please write in English here, don’t think you want me to write in Swedish​😉

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**Author:** ![Michel\_Ter\_Haar](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/michel_ter_haar/32/113305_2.png) [@Michel\_Ter\_Haar](https://community.homey.app/u/Michel_Ter_Haar)\
**Post date:** [September 21, 2026, 7:43am UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892/28 "2026-09-21T07:43:14Z")

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Hello,

I am glad that someone build an app for the SAJ inverters for Homey!

I have installed the and logd in to the app with my login. But I don’t get any data from the inverter and the dos not show any data.

Does anybody know what is wrong?

Greetings Michel

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**Author:** ![telenut](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/telenut/32/12666_2.png) [@telenut](https://community.homey.app/u/telenut)\
**Post date:** [September 21, 2026, 9:11am UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892/29 "2026-09-21T09:11:19Z")

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Feel free to run a diagonistic test… I can have look

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**Author:** ![Rob\_Ha](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/rob_ha/32/122020_2.png) [@Rob\_Ha](https://community.homey.app/u/Rob_Ha)\
**Post date:** [September 21, 2026, 9:12am UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892/30 "2026-09-21T09:12:07Z")

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How many inverters do you have?

Be sure, that in the advanched settings the inverter index for inverter number 1 is on 0 and for inverter nr 2 is on1.

Also check if the inverters can be reached by the homey.

Rgs Rob

 ![Screenshot_20260921_111249_Homey](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/f/b/fb1912d7d2c1af36cde74dd6bfc137fa9784ce7b.jpeg)

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**Author:** ![Michel\_Ter\_Haar](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/michel_ter_haar/32/113305_2.png) [@Michel\_Ter\_Haar](https://community.homey.app/u/Michel_Ter_Haar)\
**Post date:** [September 21, 2026, 9:28am UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892/31 "2026-09-21T09:28:46Z")

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Hoi Rob,

Ik heb in de advanced settings geen mogelijkheid om iets in te vullen. Onderstaande is het enige dat ik zie.

 ![Screenshot_20260921_112754_Homey](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/e/c/ec9019c458c7be94074289bd9cb5c16525a0e6e8.jpeg)

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<div class="post-metadata">

**Author:** ![Rob\_Ha](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/rob_ha/32/122020_2.png) [@Rob\_Ha](https://community.homey.app/u/Rob_Ha)\
**Post date:** [September 21, 2026, 10:40am UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892/32 "2026-09-21T10:40:44Z")

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Welke heb je geïnstalleerd? Wellicht ligt het daaraan.

 ![Screenshot_20260921_123917_Homey](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/a/d/ad158ffa203948ab19c0718a088768a4fcf4e9a9.jpeg)

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**Author:** ![Michel\_Ter\_Haar](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/michel_ter_haar/32/113305_2.png) [@Michel\_Ter\_Haar](https://community.homey.app/u/Michel_Ter_Haar)\
**Post date:** [September 21, 2026, 3:27pm UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892/33 "2026-09-21T15:27:32Z")

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Ik had inderdaad een andere versie. Deze gedownload en nu werkt het. Bedankt!

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<div class="post-metadata">

**Author:** ![telenut](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/telenut/32/12666_2.png) [@telenut](https://community.homey.app/u/telenut)\
**Post date:** [September 21, 2026, 8:15pm UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892/34 "2026-09-21T20:15:25Z")

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New test version `1.3.6` is now available.

This update improves reliability of the connection with the SAJ eSolar cloud:

- Added request timeouts, so a stalled SAJ API response can no longer block updates indefinitely.
- Prevented overlapping polling cycles.
- Improved automatic recovery when an SAJ session expires: the app now clears the invalid session, signs in again, and retries the update automatically.

Recent additions also include battery SoC and charge/discharge power support for installations where the API incorrectly reports no battery (such as some SAJ CH2 cabinets), plus per-string PV power and voltage where the inverter provides those values.

Please let me know how it behaves over the next few days—especially if values previously stopped updating after a longer period.

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**Author:** ![Per\_Rydell](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/per_rydell/32/121795_2.png) [@Per\_Rydell](https://community.homey.app/u/Per_Rydell)\
**Post date:** [September 22, 2026, 5:14am UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892/35 "2026-09-22T05:14:08Z")

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Many thanks for the update​👍. Will monitor and come back if any issues.

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**Author:** ![Per\_Rydell](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/per_rydell/32/121795_2.png) [@Per\_Rydell](https://community.homey.app/u/Per_Rydell)\
**Post date:** [September 25, 2026, 6:29am UTC](https://community.homey.app/t/app-pro-elekeeper-saj-esolar-inverters/152892/36 "2026-09-25T06:29:11Z")

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There stills seems to be an issue with the refresh. Had to restart the app today in order to get the correct SOC%.

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