SMA America, LLC Parameter lists
Technical Description SI5048U-TUS121440 161
#222 Battery Charge Mode
No. Name Description Value Explanation Default
value
01 BatChrgCurMax Charging current of
the battery
10 A … 1200 A 1,200 A
02 AptTmBoost Absorption time for
boost charge
1 min … 600 min VRLA 120 min
1 min … 600 min FLA 90 min
1 min … 600 min NiCd 300 min
03 AptTmFul Absorption time for
full charge
1h…20h VRLA 5h
1h…20h FLA 5h
1h…20h NiCd 7h
04 AptTmEqu Absorption time for
equalization
charge
1 h … 48 h 10 h
05 CycTmFul Full charge cycle
time
1 day ... 180 days 14 days
06 CycTmEqu Equalization
charge cycle time
7 days ... 365 days 180 days
07 ChrgVtgBoost Nominal value of
cell voltage for
normal charge
2.2 V … 2.7 V VRLA 2.40 V
FLA 2.55 V
1.5 V ... 1.8 V NiCd 1.65 V
08 ChrgVtgFul Nominal value of
cell voltage for full
charge
2.3 V ... 2.7 V VRLA 2.40 V
FLA 2.50 V
1.5 V ... 1.8 V NiCd 1.65 V
09 ChrgVtgEqu Nominal value of
cell voltage for
equalization
charge
2.3 V ... 2.7 V VRLA 2.40 V
FLA 2.50 V
1.5 V ... 1.8 V NiCd 1.65 V
10 ChrgVtgFlo Nominal value of
cell voltage for float
charge
2.2 V ... 2.4 V VRLA 2.25 V
FLA 2.25 V
1.4 V ... 1.6 V NiCd 1.55 V
11 BatTmpCps Battery temperature
compensation
0 mV /°C ...
10 mV /°C
VRLA 4.0 mV/°C
FLA 4.0 mV/°C
NiCd 0 mV/°C
12 AutoEquChrgEna Automatic
equalization
charge
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