SMA Solar STP 12-50 (Sunny Tripower X 12) vs Growatt MOD 12KTL3-X2(Pro)
SMA Solar
STP 12-50 (Sunny Tripower X 12)
12 kW
97.6 % euro
Grid-tie
VS
The verdict
MOD 12KTL3-X2(Pro) leads on the differences that matter
The largest is european efficiency: 0.6 pp more efficient. 10 of 25 comparable parameters are identical, with 7 more left out because at least one datasheet does not publish them.
See all 15 differencesHow alike are they
10
of 25 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
15 of 25 parameters
What actually differs
Parameter
STP 12-50 (Sunny Tripower X 12)
MOD 12KTL3-X2(Pro)
Difference
European efficiency
97.6 %
98.2 %
0.6 pp more efficient
Max DC voltage
1000 V
1100 V
100 V apart
Max input current per tracker
24.0 A
20.0 A
4.0 A more headroom
Warranty
5 yrs
8 yrs
3 yrs longer
Weight
35.0 kg
15.6 kg
19.4 kg lighter
Weight per kW
2.9 kg/kW
1.3 kg/kW
1.6 kg/kW lighter
Max efficiency
98.2 %
98.6 %
0.4 pp more efficient
Nominal AC voltage
230 V
400 V
170 V apart
MPP trackers
3
2
1 tracker more
Ingress protection
IP65
IP66
IP65 vs IP66
Start voltage
188 V
160 V
28 V earlier start
MPPT voltage range
150-1000 V
140-1000 V
150-1000 V vs 140-1000 V
Strings per tracker
2
1
1 string apart
Dimensions
762x728x266 mm
387x425x178 mm
762x728x266 mm vs 387x425x178 mm
Cooling
forced-air
natural
forced-air vs natural
02
Full specification
Parameter
STP 12-50 (Sunny Tripower X 12)
MOD 12KTL3-X2(Pro)
Difference
AC output
Rated AC power
12.00 kW
12.00 kW
Same
Max AC power
12.00 kW
12.00 kW
Same
Grid connection
3-phase
3-phase
Same
Nominal AC voltage
230 V
400 V
170 V apart
Max AC current
20.0 A
20.0 A
Same
PV input
Max PV power
18.00 kW
18.00 kW
Same
DC/AC ratio
1.50
1.50
Same
Max DC voltage
1000 V
1100 V
100 V apart
MPPT voltage range
150-1000 V
140-1000 V
150-1000 V vs 140-1000 V
Start voltage
188 V
160 V
-28 V for MOD 12KTL3-X2(Pro)
MPP trackers
3
2
+1 trackers for STP 12-50 (Sunny Tripower X 12)
Strings per tracker
2
1
1 string apart
Max input current per tracker
24.0 A
20.0 A
+4.0 A for STP 12-50 (Sunny Tripower X 12)
Efficiency
European efficiency
97.6 %
98.2 %
+0.6 pp for MOD 12KTL3-X2(Pro)
Max efficiency
98.2 %
98.6 %
+0.4 pp for MOD 12KTL3-X2(Pro)
CEC efficiency
-
-
Neither datasheet publishes this
Battery
Battery input
-
-
Neither datasheet publishes this
Battery voltage
-
-
Neither datasheet publishes this
Max charge current
-
-
Neither datasheet publishes this
Backup power
-
-
Neither datasheet publishes this
Physical
Weight
35.0 kg
15.6 kg
-19.4 kg for MOD 12KTL3-X2(Pro)
Weight per kW
2.9 kg/kW
1.3 kg/kW
-1.6 kg/kW for MOD 12KTL3-X2(Pro)
Dimensions
762x728x266 mm
387x425x178 mm
762x728x266 mm vs 387x425x178 mm
Ingress protection
IP65
IP66
IP65 vs IP66
Cooling
forced-air
natural
forced-air vs natural
Noise
59 dB
-
Not published by Growatt
Max operating temperature
60 °C
60 °C
Same
Connectivity and safety
Wi-Fi
Yes
Yes
Same
Ethernet
Yes
Yes
Same
Arc fault protection
Yes
Yes
Same
Integrated DC switch
Yes
-
Not published by Growatt
Warranty
Warranty
5 yrs
8 yrs
+3 yrs for MOD 12KTL3-X2(Pro)
03
Open all inverters
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04
Written summary
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Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.