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I am getting a JBD instead. I don't have a 48+V charger to test. And since the inverter sees the complete battery volts, inverts but doesn't charge, I think ordering a separate charger would be of no use for now.

You may have to try flashing using Android phone, which is quite simple if you have the base app and the right firmware file.

They were both green and turn grey when I switch them. The inverter beeps to show absence of battery when I turn the Dischg indicator off. The inverter inverts properly too. When set to volts instead of %, the inverter shows variable volts as it attempts and fails to charge the battery but uses...

Okay. My BMS didn't have the problem of being off. Merely pressing the normal BT sensor is enough to power it. Also, the Charge and Discharge switches on the app are both on. The inverter is able to see the battery and also invert but doesn't charge the battery in the presence of both grid and...

"Cell sensor cable", you mean the balance leads connected to the cells? Did you use extra charger to apply the charging current? I use a hybrid inverter (Deye precisely).

Found it. I was looking for it because my Daly 250A BMS wasn't charging my battery (concluded this because I bypassed the BMS and my battery is charging), so I attempted to update the software and it failed. I have now updated the software and the battery is still not charging when connected...

Where did you find it?

Please can you quote the Base apk file and the firmware? I have similar problem right now.

Where is the base apk file please?