PhilT

I think I get the gist of it - many thanks!

found the specs GreenLinx 3200 Model LV-L3.2-1P Nominal Capacity 3.2kWh Usable Capacity 3.2kWh Cell Type LFP(LiFeP04) Depth of Discharge 100% Operating Voltage Range 48 to 57.6V Nominal Voltage 51.2V Nominal Charging Current 40A Nominal Discharging Current 60A Max.Continuous Discharging Current IOOA Weight 34.9Kg Dimension 484*302*165mm Operating Temperature Charge: From o to 50c Discharge: From -10 to 50c Humidity Cooling Type Natural IP rating of enclosure IP54 Warranty 10years Communication Port CAN/RS485

yes that's another little oddity but I checked back a long way and it seems to be a one off, or extremely rare, whereas the subject of this thread happens after every discharge

Lux ACS Inverter + 3.2kw Greenlinx battery There's some cables but not sure if one is a data cable. The app gives a lot of detail but not individual cell voltages, only the total There are no photovoltaic panels connected to the battery inverter, directly or indirectly

Hi thanks for the quick response, I'll try to answer as much as I know. Orange is consumption, red is mains import/export, blue is battery charge. Left axis is watts power. I believe the measurements are all via clamp meters. Not sure about SOC. It's a dedicated battery inverter. Not sure what parameters, give me an example. 6% SOC was the default minimum level set on installation - I haven't changed that.

Happens every time the battery is discharged, for example in the graph below; at around 02:40, with consumption (orange) continuing at the same background level, the SOC (purple line) drops from around 14% to ZERO, WITHOUT ANY CORRESPONDING CHANGE IN CONSUMPTION OR EXPORT. It then charges to 6% SOC, which is as per the set minimum level, by around 03:20. Any help or advice would be appreciated