Sungrow SH5K - Lead-acid Battery Parameters and Usage Settings

7 Commissioning User Manual
56
Tab. 7-4 Description of Other Lead-acid Battery Parameter
Parameter Description Default Range
Max. Chrg
The upper limit of the
charging current
0.300C 0.05C to 2C
Max. DChrg
The upper limit of the
discharging current
0.300C 0.1C to 2C
Rate Vtg
The rated voltage of the
equipped battery
48.0 V 30 V to 60 V
Capacity Capacity of the battery tray 200 Ah 10 Ah to1000 Ah
Over Vtg
The upper limit of battery
voltage when charging
58.8 V 48 V to 70 V
Low Vtg
The lower limit of battery
voltage when discharging
42.0 V 26 V to 48 V
Over Temp
The upper limit of battery
temperature
60.0℃ 20℃ to 70℃
Low Temp
The lower limit of battery
temperature
-25.0℃ -30℃ to 10℃
CSTVtgChar
The voltage of
constant-voltage charging.
56.4 V 40 V to 63 V
DChrgEndVtg
The voltage at which the
discharging is stopped
43.20 V 30 V to 53 V
*C is the “capacity”, which refers to the maximum amount of charge that a battery
can store. Refer to the manufacturer’s specifications for details.
y
Battery usage enabled (Weekend):
y
Off-grid enabled:
The off-grid function is disabled by default.
If the backup box STB5K is installed, enable this function in
the initial settings.
7. Check the icons on the main screen. Refer to
“10.1 Main Screen” for the explanations.
8. Check the state of LED indicators.