# DESS without internet connection

**URL:** <https://community.victronenergy.com/t/dess-without-internet-connection/53549>\
**Category:** DESS\
**Tags:** dess, cerbo\_gx, vrm, diy\
**Created:** [18 February 2026 09:55 UTC](https://community.victronenergy.com/t/dess-without-internet-connection/53549 "2026-02-18T09:55:12Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![jarno](https://avatars.discourse-cdn.com/v4/letter/j/67e7ee/32.png) [@jarno](https://community.victronenergy.com/u/jarno)\
**Post date:** [18 February 2026 09:55 UTC](https://community.victronenergy.com/t/dess-without-internet-connection/53549/1 "2026-02-18T09:55:12Z")

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I hopped DESS would function without an internet connection.  
I configured it using VRM saved the config.  
Purpose:  
Solar system is disconnected from mains power only 3 times per year.  
So outside of these moments the mains is connected and currently victron just keeps the batteries at 100% degrading the health significantly.

I know DESS isn’t exactly fit for this, but ESS doesnt work since it doesnt cycle charge and discharge the batteries.

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**Author:** ![fredvduin](https://avatars.discourse-cdn.com/v4/letter/f/ed655f/32.png) [@fredvduin](https://community.victronenergy.com/u/fredvduin)\
**Post date:** [18 February 2026 11:18 UTC](https://community.victronenergy.com/t/dess-without-internet-connection/53549/2 "2026-02-18T11:18:39Z")

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Node-Red can do the job

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**Author:** ![jarno](https://avatars.discourse-cdn.com/v4/letter/j/67e7ee/32.png) [@jarno](https://community.victronenergy.com/u/jarno)\
**Post date:** [18 February 2026 13:10 UTC](https://community.victronenergy.com/t/dess-without-internet-connection/53549/3 "2026-02-18T13:10:41Z")

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I always thought node red required extra hardware. But after some more research it can run natively on the cerbo.  
That makes the cerbo even more usefull.

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**Author:** ![system](https://europe1.discourse-cdn.com/victron/original/1X/21a9a7b5db7c6339715f993568736a7053199995.png) [@system](https://community.victronenergy.com/u/system)\
**Post date:** [4 March 2026 13:11 UTC](https://community.victronenergy.com/t/dess-without-internet-connection/53549/4 "2026-03-04T13:11:31Z")

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