Power Off; Multi-Group Mode - Pylontech KH-ES4850 Owner's Manual

3) Press the red SW button of master battery to power on, all the battery
LED light will be on one by one from the Master battery:
Note:
1) During capacity expansion or replacement, when parallel different
SOC/voltage of module together, please maintain the system in idle for
≥15mins or till the SOC LEDs becomes similar (≤1dot difference) before
normal operation.

4.5 Power off

1) Turn external power source off.
2) Press red SW switch of master battery. Then all batteries will off.
3) Switch Power switch OFF.

4.6 Multi-group mode

By RS485: The interruption of each RS485 command shall at least≥1s
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