SMA SUNNY ISLAND 4.4M Operating Manual page 177

SMA Solar Technology AG
Rated discharging current
Maximum battery charging current
Battery type
Battery capacity range of lead-acid batteries
Battery capacity range of lithium-ion batteries
Recommended minimum battery capacity C10 in
systems for increased self-consumption
Recommended minimum battery capacity C10 in
battery-backup systems
Recommended minimum battery capacity C10 in off-
grid systems
Minimum capacity recommended for lead-acid bat-
teries C10 per 1000 Wp output of the PV system in
off-grid systems
Minimum capacity recommended for lithium-ion bat-
teries C10 per 1000 Wp output of the PV system in
off-grid systems
Charge control for lead-acid batteries
DC connection
Permitted conductor cross-section:
Maximum connectable conductor cross-section
Cable diameter
Torque
19)
The lithium-ion battery must be approved for use with the Sunny Island (see technical information at "List of Approved Batteries").
20)
In the event of a cross-section of 95 mm², observe the maximum cable diameter.
Operating manual
SI4.4M-13 SI6.0H-13
75 A 103 A
75 A 110 A
Lead-acid battery: Lead-acid battery:
FLA, VRLA lithium- FLA, VRLA lithium-
19)
ion battery ion battery
100 Ah to 100 Ah to
10000 Ah 10000 Ah
50 Ah to 50 Ah to
10000 Ah 10000 Ah
100 Ah 100 Ah
100 Ah 120 Ah
150 Ah 190 Ah
100 Ah 100 Ah
50 Ah 50 Ah
IUoU charging be- IUoU charging be-
havior with auto- havior with auto-
matic full charge matic full charge
and equalization and equalization
charge charge
Terminal lug M8, Terminal lug M8,
20 mm to 25 mm 20 mm to 25 mm
wide wide
50 mm² to 50 mm² to
20)
95 mm² 95 mm²
20)
95 mm² 95 mm²
14 mm to 25 mm 14 mm to 25 mm
12 Nm 12 Nm
16 Technical Data
SI8.0H-13
136 A
140 A
Lead-acid battery:
FLA, VRLA lithium-
19)
ion battery
100 Ah to
10000 Ah
50 Ah to
10000 Ah
100 Ah
160 Ah
250 Ah
100 Ah
50 Ah
IUoU charging be-
havior with auto-
matic full charge
and equalization
charge
Terminal lug M8,
20 mm to 25 mm
wide
50 mm² to
20) 20)
95 mm²
20) 20)
95 mm²
14 mm to 25 mm
12 Nm
SI44M-80H-13-BE-en-15
19)
177