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This is universal from 8~16 Cells, according to the manufacturer https://www.aliexpress.com/item/1005005095847302.html - I double checked with the manufacturer and they claimed it does work for 15. However, their support is very poor. I can see that the BMS is trying to connect to the inverter...

What is the reason? The Manufacturer confirmed that it could be used with 15 Cells.. that is why I bought that

Yes..

I have added BMS parameters on the last page..

Thanks for the response.. I have attached the complete drawings and screen shots.. Please let me know if you need anything else..

Yes.. No error code on monitoring software. Cell voltages are normal and the issue is that the charge / Discharge Switches (soft) do not remain ON, they become ON and immediately when the Inverter detects the battery, they swithhe OFF.

I have recently purchased TDT 6022 BMS from China and I have a problem where the BMS does not activate Charge and Discharge switches. It does show the switches coming ON momentarily and immediately after, they become OFF. Does anyone have experience with this BMS? Comany which sold is completely...

I have a SPF 5000 ES which is throwing an Error Code 52 and the inverter shuts down power to the loads. When I re-start the Inverter, the Error is cleared and the systems works for some time. I am using a Meritsun 100Ah battery and I do not think that there is a problem with the battery as it is...

I have communicated with Meritsun and Growatt and they have provided the correct parameters i.e Prog 5 - LI and Prog 36 - L01. The Inverter is working in LI mode. BTW.. Growatt Inverters work with other batteries, other than Growatt. For example, Pylontech is one quite famous and good battery.

I am using Meritsun Battery which has a Protocol for Growatt.. the Inverter is working LI mode..

Yes, I know that. My question is why 2A? As soon as soon as I set Prog 5 to LI, CHGi shows 2A and it cannot be changed.. This is what Growatt also couldn't explain to me. But, they say that the Charge current will be as per BMS setting. I have to test this and see.

In 11, the default is 30A. The problem is in 2, I cannot set the value, it does not allow me to do any changes.

No.. I am using LI in Prog 5.

Thanks.. Managed to find the same through Growatt.. Program 21 ( Ex. 10%) should be lower than Program 12 (Ex. 20%). However, Charge Rate - Program 2 (CHGi) is set to 2A for some weird reason which I have no explanation yet.. Have you experienced this?

I have a SPF 5000 ES and I am using it with Meritsun LiFePO4 100Ah battery. My issue is that I cannot lower the value 50% of Growatt Prog 12 - which is Back to Utility (b2AC). Ideally, I should be able to set this at 20% which is 80% DOD. Has anyone encountered and resolved this issue?

Interested to know as to what happened with Growatt SPF 6000 and Meritun battery? I have faced the same problem with a SPF 5000 ES and the only configuration that is allowed is US2 on Growatt and somewhat manual configuration of Low Voltage Cut-off and Maximum Charging Voltage etc., By any...

I wonder whether you can help me. I have seen EVE LF230Ah Cells advertise with Adaptors. What are they? I saw some others advertising without Adaptors. Appreciate if you could advise me.

Try DIP Setting according to Page 8 - Item 4. That should be enough.

There seem to be L1 ~ L65 battery types. Protocol 1 is RS485 and Protocol 51 and above are CAN. Your battery manual may have a cross reference of Protocol # for Growatt. That is what you should select in 36.

Generally, there should be a Drop Down and the communication protocols should be listed. If there are CAN Bus and RS484, you should select CAN Bus. Growatt SPF5000 ES is brand new. If you can share the use manual, it would help.

What protocols are there? If CAN Bus and Modbus RS485, it should be CAN Bus, as I understand..