Mdim

Thats kind of my point. If you build software/firmware that you expect to change, best practice is to make it simple... So I bought...

I think this cable should be included with a battery purchase at no cost, if the customer is to update the firmware to the most current...

Sigh....that would probably work although from a matter of principle perspective I guess it bothers me a lot to spend money to fix EG4's...

If the adapter I have won't work then thats probably the end of the line. I'm ok with some DIY stuff but these things are a science...

I'm using this cable (open to suggestions), along with the Prolific drivers. I did disconnect the battery from the inverter as well. No...

Gave it a shot, not having any luck. Can get the port open, set the pack number and start sequence. Adds the address ok (does all this...

Yes, here is a video that may be helpful for using MAC with BMS Test to update the batteries. MAC Tutorial:

Gotcha, I will give that a shot. Will need to figure out how to make it happen, can the firmware update be done from a Mac? I don't even...

Mine is doing the same thing. EG4 3K with two LP4 batteries. Since new the SOC at 56.4 volts has been slowly dropping. Now goes to about...