Sungrow SG15RT-20 vs Sungrow SG15KTL-M
VS
The verdict
SG15RT-20 leads on the differences that matter
The largest is max input current per tracker: 3.0 A more headroom. 11 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.
See all 9 differencesHow alike are they
11
of 20 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
9 of 20 parameters
What actually differs
Parameter
SG15RT-20
SG15KTL-M
Difference
Max input current per tracker
25.0 A
22.0 A
3.0 A more headroom
Weight
17.0 kg
24.0 kg
7.0 kg lighter
European efficiency
98.1 %
98.3 %
0.2 pp more efficient
Weight per kW
1.1 kg/kW
1.6 kg/kW
0.5 kg/kW lighter
Start voltage
180 V
250 V
70 V earlier start
Max AC current
25.0 A
24.0 A
1.0 A apart
MPPT voltage range
160-1000 V
200-1000 V
160-1000 V vs 200-1000 V
Strings per tracker
1
2
1 string apart
Dimensions
480x370x195 mm
485x370x210 mm
480x370x195 mm vs 485x370x210 mm
02
Full specification
Parameter
SG15RT-20
SG15KTL-M
Difference
AC output
Rated AC power
15.00 kW
15.00 kW
Same
Max AC power
15.00 kW
15.00 kW
Same
Grid connection
3-phase
3-phase
Same
Nominal AC voltage
400 V
400 V
Same
Max AC current
25.0 A
24.0 A
1.0 A apart
PV input
Max PV power
-
-
Neither datasheet publishes this
DC/AC ratio
-
-
Neither datasheet publishes this
Max DC voltage
1100 V
1100 V
Same
MPPT voltage range
160-1000 V
200-1000 V
160-1000 V vs 200-1000 V
Start voltage
180 V
250 V
-70 V for SG15RT-20
MPP trackers
2
2
Same
Strings per tracker
1
2
1 string apart
Max input current per tracker
25.0 A
22.0 A
+3.0 A for SG15RT-20
Efficiency
European efficiency
98.1 %
98.3 %
+0.2 pp for SG15KTL-M
Max efficiency
98.6 %
98.6 %
Same
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
17.0 kg
24.0 kg
-7.0 kg for SG15RT-20
Weight per kW
1.1 kg/kW
1.6 kg/kW
-0.5 kg/kW for SG15RT-20
Dimensions
480x370x195 mm
485x370x210 mm
480x370x195 mm vs 485x370x210 mm
Ingress protection
IP65
IP65
Same
Cooling
forced-air
forced-air
Same
Noise
-
-
Neither datasheet publishes this
Max operating temperature
60 °C
60 °C
Same
Connectivity and safety
Wi-Fi
-
-
Neither datasheet publishes this
Ethernet
-
-
Neither datasheet publishes this
Arc fault protection
-
-
Neither datasheet publishes this
Integrated DC switch
Yes
Yes
Same
Warranty
Warranty
-
-
Neither datasheet publishes this
03
Open all inverters
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04
Written summary
Checking cache...
Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.