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Hi, sorry for the double post. Apparently, this repo was able to implement the multibms pulling of data of slaves just using the master bms using 1 esp. Can we make use of this to implement your charging/discharging logic?

Upon reading more about this, it seems this is focused more on older hardwares. Is there any way you could support the JK Inverter BMS variants, especially it already has paralleling support, so maybe poll only from master bms? I would prefer your charging/discharging logic than the factory...

This is great! Let us know how can we help (not coding definitely). My equipments have not arrived yet but already excited to play with this.

Understood. No problem. Thank you for helping. I'm just hoping this wont mess up my incoming JK Inverter BMS. Imagine the mess when JK BMS is requesting 55.2V but Deye just gives 54.7V, how can JK BMS reach my balance target then proceed to float mode if it never hits Absorption stage? But...

Thanks for the clear graph. Pardon me, I'm just a little bit confused with your wording. You said "except with lithium mode and bms communication" but then you said -0.5V if you dont request 100% charging. I guess its not possible to request 100% with voltage mode in TOU if your float voltage...

Hmm. As the title says "weird". Im very sure of my findings. But yeah, our issues have correlation nonetheless. The main issue is, there is that magic 0.5v offset be it above or below, and yes, seems related to being grid is connected. In my case, its very obvious TOU is affecting it. However...

Jeez, that was an unnecessary long read. Only saw the light of a tunnel from page 23 onwards. I was mainly interested with this. You see, I'm not by any means expert on esphome nor homeassistant in general, but these things are mostly what controlling my house light switches and such, so I...

Exactly this point. I'm glad some people have their systems working as intended, but some of us have issues with a common denominator, 0.5V of unpredictable offset. Well... in my case, is predictabe and dependent with TOU and grid, I could have just use HAOS and be done with it but unreliable...

Hi, I wish this topic finds you well. I wonder if anyone observing this issue. It seems that Deye doesn't respect the voltage parameters set from BMS nor the inverter itself (voltage mode). For example: Absorption or RCV in the case BMS comms: 55.2V Actual Given By the Inverter: 54.7V It...

Hi, I posted a related topic of this issue. This issue seems to be related with Time Of Use being enabled. This is very wrong. This should not happen. This is a huge issue that should be fixed as soon as possible.

Oh, I guess firmware versions are at play here. Are you on the latest? My 5kW is on the latest 3386 / C36C.

I beg to differ. It's not normal. Other systems dont do this. They give the voltage what you ask for. For an LFP battery, 16s to be specific, 0.2-0.5v offset is a big difference. 55.2v vs 54.7v, full vs not full. And this confuses the BMS, in the case of JK Inverter BMS, wont go into float...

This is weird really. Closed or open loop, doesn't matter in my case, there is always 0.5v offset below the requested voltage. Unless I disable TOU or when there is no grid. Gridtie with selling option.

I would agree with you if its a matter of efficiency. But no. In my case, whenever TOU is enabled, it deliberately pull the voltage down, and when TOU is disabled, it pushes the voltage to where you set it. So clearly, something has offset in the firmware side, not an efficiency issue, or a...

Thanks for clarifying. So see, I tried to set the mode to % as you said setting it to 100% in TOU eliminates this problem, I can see it was set below 100%, then I set it back to V mode since I prefer it this way, % mode is very inaccurate and unreliable. So back to V mode, there is no way you...

Thank you for the update. Unfortunately, this is not the case for me as I have updated my post previously. What firmware version are you? Im on the latest, as in just this month, 3386 / C36C. No matter how I set the TOU to 100%, there is still 0.5V offset, be it via CAN bus (Lithium Mode) or %...

Im happy to hear this. We'll I guess, I'm just too early for the party and good stuff. Thank you all for making this wonferful project. I'll watch this progress and try to contribute the best I can.