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SG20RT-P2 vs SUN2000-20KTL-M2 15 of 25 identical Swap Change inverters

Sungrow SG20RT-P2 vs Huawei SUN2000-20KTL-M2

Sungrow SG20RT-P2
Sungrow
SG20RT-P2
20 kW 97.9 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Huawei
SUN2000-20KTL-M2
20 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

10 differences, and they point both ways

The largest is max input current per tracker: 10.0 A more headroom. 15 of 25 comparable parameters are identical, with 7 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
15 of 25 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 25 parameters
Parameter SG20RT-P2 SUN2000-20KTL-M2 Difference
Max input current per tracker 32.0 A 22.0 A 10.0 A more headroom
European efficiency 97.9 % 98.3 % 0.4 pp more efficient
Weight 22.0 kg 25.0 kg 3.0 kg lighter
Max DC voltage 1100 V 1080 V 20 V apart
Max efficiency 98.3 % 98.7 % 0.4 pp more efficient
Max AC current 31.9 A 33.5 A 1.6 A apart
MPPT voltage range 160-1000 V 160-950 V 160-1000 V vs 160-950 V
Start voltage 180 V 200 V 20 V earlier start
Dimensions 480x370x195 mm 470x525x262 mm 480x370x195 mm vs 470x525x262 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter SG20RT-P2 SUN2000-20KTL-M2 Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 22.00 kW 22.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 31.9 A 33.5 A 1.6 A apart
PV input
Max PV power 30.00 kW 30.00 kW Same
DC/AC ratio 1.50 1.50 Same
Max DC voltage 1100 V 1080 V 20 V apart
MPPT voltage range 160-1000 V 160-950 V 160-1000 V vs 160-950 V
Start voltage 180 V 200 V -20 V for SG20RT-P2
MPP trackers 2 2 Same
Strings per tracker 2 2 Same
Max input current per tracker 32.0 A 22.0 A +10.0 A for SG20RT-P2
Efficiency
European efficiency 97.9 % 98.3 % +0.4 pp for SUN2000-20KTL-M2
Max efficiency 98.3 % 98.7 % +0.4 pp for SUN2000-20KTL-M2
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 22.0 kg 25.0 kg -3.0 kg for SG20RT-P2
Weight per kW 1.1 kg/kW 1.2 kg/kW Effectively the same
Dimensions 480x370x195 mm 470x525x262 mm 480x370x195 mm vs 470x525x262 mm
Ingress protection IP65 IP65 Same
Cooling forced-air natural forced-air vs natural
Noise - - Neither datasheet publishes this
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 Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

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Sungrow SG20RT-P2 vs Sungrow SG20KTL-M
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Huawei SUN2000-20KTL-M2 vs Huawei SUN2000-20KTL-M0
The same specification on paper
04

Written summary

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