16 Technical Data
SMA Solar Technology AG
Operating manual
SI44M-80H-13-BE-en-15
178
16.4
Efficiency
SI4.4M-13
SI6.0H-13
SI8.0H-13
Maximum efficiency
95.3 %
95.8 %
95.8 %
European weighted efficiency
94.0 %
94.3 %
94.1 %
16.5
Sunny Island 4.4M Efficiency Profile
86
88
90
92
94
96
98
SI4.4M-13
0
0.4
1.0
0.8
0.2
0.6
Output power / Rated power
Ef
ficency [%]
V = 42 V DC
BAT
V = 48 V DC
BAT
V = 54 V DC
BAT
Figure 27: Characteristic efficiency curve