WESTECH Solax X3-HYBRID G4 Manual page 50

Setting
c ) EPS(Off-grid) Mute
Here you can choose whether the buzzer is turned on when the inverter
is running in EPS(Off-grid) mode. Select Yes, the buzzer mutes, select NO,
EPS(Off-grid) mode, the buzzer will sound once every 4s when the battery
is fully charged, the closer the battery is to the empty state, the higher the
buzzer will sound, to remind users to avoid battery loss .
EPS(Off-grid) Mute
> Mute:
d ) Self-use mode
In this mode, you can set the power reserve percentage of the minimum
battery state, set whether the power can be taken from the mains side to
charge the battery, and set the amount of power to charge the battery.
For example: set the reserved minimum SOC of the battery capacity to
"10%", which means that when the battery has been discharged to 10% of
the battery capacity, the battery is not allowed to continue to discharge;
When Charge from grid is set to "Enable", the utility power is allowed to
charge the battery; when set to "Disable", the utility power is not allowed to
charge the battery;
Charge battery to is set to 90%, indicating that the mains is allowed to
charge the battery at 90%.
Self-use Mode
＞Min SOC：
10%
Self-use Mode
＞Charge battery to
90%
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Yes
Self-use Mode
＞Charge from grid
Disable
e ) Feed-in Priority mode
In this mode, you can set the power reserve percentage of the minimum
battery state, set whether the power can be taken from the mains side to
charge the battery, and set the amount of power to charge the battery.
For example: set the reserved minimum SOC of the battery capacity to "10%",
which means that when the battery has been discharged to 10% of the
battery capacity, the battery is not allowed to continue to discharge;
Charge battery to is set to 90%, indicating that the mains is allowed to
charge the battery at 90%.
Feed-in Priority mode
＞Min SOC:
10%
f ) Backup mode
In this mode, you can set the power reserve percentage of the
minimum battery state, set whether the power can be taken from the
mains side to charge the battery, and set the amount of power to
charge the battery.
For example: set the reserved minimum SOC of the battery capacity to
"10%", which means that when the battery has been discharged to 10%
of the battery capacity, the battery is not allowed to continue to
discharge;
Charge battery to is set to 90%, indicating that the mains is allowed to
charge the battery at 90%.
Backup mode
＞Min SOC：
＞Charge battery to
10%
Setting
Feed-in Priorty mode
＞Charge battery to
90%
Backup mode
90%
95