Found solution , reseller didn't send me the settings
Lux Power settings
1 x 5.12kWh Akkutech Lithium Battery
Please follow the order from top to bottom, changing option 03 at any time will remove all other settings. Note option 12 is before 11
03 – Lead Acid -> 100ah
06 - 50A for all three settings
07 - 55.4V Bulk volts
08 - 54.4V Float volts
12- 52V Battery volts when to revert back to grid
11- 48V Low DC Cut off Volts)
14- Grid Charge Enable, Time setting P1 Start time 00:00 P1 End time 23:59 (Only activate for grid charge)