12 Technical Data SMA Solar Technology AG
150 SI80H-60H-OffGrid-IA-en-11 Installation Manual
DC Connection, Battery
Efficiency
Permitted input frequency range 40 Hz ... 70 Hz
Maximum AC input current 50 A
Recommended conductor cross-section 10 mm²
Maximum connectable conductor cross-section 16 mm²
Cable diameter 9 mm ... 18 mm
AC2 terminal Lever terminal
Maximum back-up fuse 50 A
Rated input voltage 48 V
DC voltage range 41 V ... 63 V
Rated DC charging current 90 A
Rated DC discharging current 103 A
Maximum battery charging current 110 A
Battery type FLA, VRLA
Battery capacity range 100 Ah ... 10,000 Ah
Recommended minimum battery capacity C10 per off-grid
inverter
190 Ah
Recommended minimum battery capacity C10 for every
1,000 W of power from AC sources on the stand-alone grid*
* for every 1,000 W
p
in PV plants
100 Ah
Charge control IUoU charge procedure with
automatic full charge and
equalisation charge
DC terminal M8 terminal lug
Permitted conductor cross-section 50 mm² ... 95 mm²
Maximum connectable conductor cross-section 95 mm²
Cable diameter 14 mm ... 25 mm
Maximum torque 5.7 Nm
Maximum efficiency 95%
European weighted efficiency 93.4%
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