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SE20K vs SG20KTL-M 7 of 15 identical Swap Change inverters

SolarEdge SE20K vs Sungrow SG20KTL-M

SolarEdge
SE20K
20.001 kW 97.7 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow
SG20KTL-M
20 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG20KTL-M leads on the differences that matter

The largest is european efficiency: 0.6 pp more efficient. 7 of 15 comparable parameters are identical, with 17 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
7 of 15 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 15 parameters
Parameter SE20K SG20KTL-M Difference
European efficiency 97.7 % 98.3 % 0.6 pp more efficient
Max DC voltage 1000 V 1100 V 100 V apart
Max efficiency 98.0 % 98.6 % 0.6 pp more efficient
Weight 32.0 kg 24.0 kg 8.0 kg lighter
Weight per kW 1.6 kg/kW 1.2 kg/kW 0.4 kg/kW lighter
Max AC current 29.0 A 31.9 A 2.9 A apart
MPPT voltage range 680-1000 V 200-1000 V 680-1000 V vs 200-1000 V
Dimensions 550x317x273 mm 485x370x210 mm 550x317x273 mm vs 485x370x210 mm
02

Full specification

Parameter SE20K SG20KTL-M Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 20.00 kW 20.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 29.0 A 31.9 A 2.9 A apart
PV input
Max PV power 35.00 kW - Not published by Sungrow
DC/AC ratio 1.75 - Not published by Sungrow
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 680-1000 V 200-1000 V 680-1000 V vs 200-1000 V
Start voltage - 250 V Not published by SolarEdge
MPP trackers - 2 Not published by SolarEdge
Strings per tracker - 2 Not published by SolarEdge
Max input current per tracker - 22.0 A Not published by SolarEdge
Efficiency
European efficiency 97.7 % 98.3 % +0.6 pp for SG20KTL-M
Max efficiency 98.0 % 98.6 % +0.6 pp for SG20KTL-M
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 32.0 kg 24.0 kg -8.0 kg for SG20KTL-M
Weight per kW 1.6 kg/kW 1.2 kg/kW -0.4 kg/kW for SG20KTL-M
Dimensions 550x317x273 mm 485x370x210 mm 550x317x273 mm vs 485x370x210 mm
Ingress protection IP65 IP65 Same
Cooling forced-air forced-air Same
Noise 62 dB - Not published by Sungrow
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by Sungrow
Ethernet Yes - Not published by Sungrow
Arc fault protection Yes - Not published by Sungrow
Integrated DC switch - Yes Not published by SolarEdge
Warranty
Warranty - - Neither datasheet publishes this
03

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04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.