I’ve the Multi RS Solar installed with a battery and solar panels. For testing reasons the battery is set to max 30A for charging and discharging. When the PV power is above the max charging power, the JK-BMS send message to Multi RS Solar that the current is to high, which is correct as per configu…

This is what I’m getting when the Multi RS is switched to ON (including charing and inverting). Good thing it is returning PV power to the grid. But it is not charging at the configured 30A. [image]

What changed that’s working now besides the ESS#3 is not present anymore ?..

Good question, to be honest I don’t know. Initially I had the Mutli RS set to “Charge only” and later changed it to “On” (so also inverting). That was already the case in the first picture, in which the battery was not charged. Maybe the system needs time to measure and finally configure how to op…

I have a similar behavior with MultiPlus II+RS450+MPPTs+Pylontech setting, so it seems to be part of the VenusOS: When I have a DC charge-current limit set as well as a maximum DC voltage, both to preserve batteries which have quite agressive limits, and battery gets almost full (typically around 9…

Multi RS Solar - PV power requires battery to be charged to also return to grid

DIY

RGroothuis (Rene) 8 May 2025 09:12 3

Maybe I was jumping to conclusions to soon, looks like it is working now. 30A from PV power to charged the battery and the rest returned to the grid.

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Multi RS Solar - PV power requires battery to be charged to also return to grid

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