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Min.grid-connected voltage:  V  
Max.grid-connected voltage:  V  
Min.grid-connected frequency:  Hz  
Max.grid-connected frequency:  Hz  
The waiting time before grid-connection:  Sec  
Max.grid-connected average voltage:  V  
Max.feed-in power:  W  
feed-in power factor:  %  

Voltage range for PV input
Max. voltage:  V  
Min. voltage:  V  
Battery cut-off discharging/re-discharging voltage when Grid is available
Cut-off discharging voltage:  V  
Re-discharging voltage:  V  
Voltage range for MPPT
Max. voltage:  V  
Min. voltage:  V  
Battery cut-off discharging/re-discharging voltage when Grid is unavailable
Cut-off discharging voltage:  V  
Re-discharging voltage:  V  
Max. charging Current:  A  
Max. AC charging current :  A  
Bulk charging voltage(CV.voltage):  V  
Floating charging voltage:  V  
Start LCD screen-saver after:  Sec  
Feeding grid power calibration:  W  
Max.battery discharge current in hybrid mode  A  
Battery temperature compensation mV 

Emergency power supply control:   
Battery voltage of cut-off Main output in battery mode:  V  
Battery voltage of re-connecting Main output in battery mode :  V  
Enable  Disable 

When float charging current is less than X(A) and continued T(Min),then charger off,when battery voltage is less than Y(V),then charger on again.   
X:  A   T:  Min   Y:  V