Hey guys, I saw the item Pylontech firmware uploaden. What does this mean, is it necessary. Is an upgrade Pylontech possible via Cerbo. Never saw this before? Thanks in advance, Martin [IMG_0784]

Hi. This is beta functionality which is described in the relevant beta topics. These forum sections are for prod software questions, so best to go look in the correct section for more detail. Updates are still meant to be done under instruction from the vendor. Batteries aren’t iphones so it’s best…

Thank you Nick, I pay attention to it.

Take a look at this: [image] V3.70~74: Pylontech update feature Venus OS beta testing v3.70~74 - nice idea having a possibilitiy to update pylontech batteries. At my system I found one entry for pylontech batteries but there are 8 modules installed (6x US3000C,…

For clarity, you have to provide the firmware files for the update which are not public domain, so not automated. I’d personally advise extreme caution and also ensure you have a backout solution. Out of six brand new US3000C updates using Pylontech’s software for a customer, one still got “bricked”…

Ik zie het zelfde. alleen heb ik een lv hub ertussen die ziet hij niet en ik heb nu intern in mijn lv hub een error alles werkt wel gewoon lampjes branden groen hoe los ik dit op

Basically contact Pylontec support.

i have the same firmware update button in the official release of Venus V3.71 [image]

Yes, it is 3.70 upwards functionality. Victron is just enabling the mechanism. They are not providing auto updates, nor firmware files, nor encouraging updating. This is creating an easier way for pylon support to provide update files to installers and to update packs remotely. Everything to do …

i am not updating when not needed (as you can see with some other equipment) but yesterday i have added 2 additional US5000 batteries so i was checking of everything was ok. The message to take extreme caution when updating worked…

Indeed. Anyone who has tried to recover a bricked battery will know to proceed with extreme caution. As per the slide that covers this feature for the 3.70 launch - any dealer or pylon will need to provide the files. They will be best placed to make sure it is safe to do. Updating the main system …

Firmware Pylontech upload via Cerbo

DIY

M_Lange (Matthias Lange - DE) 24 February 2026 17:32 4

Take a look at this:

Topic		Replies	Views
Pylontech Firmware Update Feature Issue Q&A and troubleshooting diy , vrm , pylontech , cerbo-gx	31	552	11 April 2026
Mise à jour batterie Pylontech depuis le VRM avec Venus OS 3.70 Communauté francophone vrm	10	122	23 April 2026
Ich sehe bei VRM-Firmwareupdate meine Pylontech nicht Deutschsprachiger Bereich vrm , cerbo-gx	7	103	16 April 2026
Pylontech Firmware Update Deutschsprachiger Bereich gx_device	16	1874	22 January 2026
Pylontech BMS Connection Lost - firmware OS 3.51 New UI vrm , cerbo-gx	43	2311	21 February 2025

Firmware Pylontech upload via Cerbo

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