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Will this help you?

Sorry that I ask so stupidly. How did you turn the bolts in? First with the long threaded side or with the short? Is the short thread not too short? Would you please have a photo where I can see how a screwed in bolt looks like in the battery cell and one which shows the busbars. Thank you very...

If you have a Daly Smart BMS 4S that supports Bluetooth via the UART port or LCD via the UART port, you cannot use LCD and Bluetooth at the same time. The Smart BMS requires special firmware for Bluetooth support and special firmware for touch LCD support. You can use the Sinowealth PC...

Also you can wake up the Daly BMS with shorting the 2 PINs of the "Key" Port. My BMS ist a 100% Daly Smart BMS 4S 250A from DeligreenCS. The Key Port is not labeld, but it is working perfect :) Here pictures from my BMS and the port i mean:

That would be perfect! I’ll send you a PN. Thanks!

I think I have the same BMS board as you. I can connect to the UART port the BT module and the 3PIN USB Monitor cable into the Monitor port. It works for me very well with the Sionwealth BMS Tool on the PC and also with the Smart BMS app on iPhone. Also I can disconnect the Bluetooth cable from...