Skip to main content
SUN2000-12KTL-M2 vs SG12RT-20 10 of 20 identical Swap Change inverters

Huawei SUN2000-12KTL-M2 vs Sungrow SG12RT-20

Huawei
SUN2000-12KTL-M2
12 kW 98.0 % euro Grid-tie
VS
Sungrow SG12RT-20
Sungrow
SG12RT-20
12 kW 98.1 % euro Grid-tie
The verdict

SG12RT-20 leads on the differences that matter

The largest is max input current per tracker: 3.0 A more headroom. 10 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
10 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 20 parameters
Parameter SUN2000-12KTL-M2 SG12RT-20 Difference
Max input current per tracker 22.0 A 25.0 A 3.0 A more headroom
Max AC power 13.20 kW 12.00 kW 1.20 kW apart
Weight 25.0 kg 17.0 kg 8.0 kg lighter
Weight per kW 2.1 kg/kW 1.4 kg/kW 0.7 kg/kW lighter
Max DC voltage 1080 V 1100 V 20 V apart
MPPT voltage range 160-950 V 160-1000 V 160-950 V vs 160-1000 V
Start voltage 200 V 180 V 20 V earlier start
Strings per tracker 2 1 1 string apart
Dimensions 470x525x262 mm 480x370x195 mm 470x525x262 mm vs 480x370x195 mm
Cooling natural forced-air natural vs forced-air
02

Full specification

Parameter SUN2000-12KTL-M2 SG12RT-20 Difference
AC output
Rated AC power 12.00 kW 12.00 kW Same
Max AC power 13.20 kW 12.00 kW 1.20 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 20.0 A 20.0 A Same
PV input
Max PV power 18.00 kW - Not published by Sungrow
DC/AC ratio 1.50 - Not published by Sungrow
Max DC voltage 1080 V 1100 V 20 V apart
MPPT voltage range 160-950 V 160-1000 V 160-950 V vs 160-1000 V
Start voltage 200 V 180 V -20 V for SG12RT-20
MPP trackers 2 2 Same
Strings per tracker 2 1 1 string apart
Max input current per tracker 22.0 A 25.0 A +3.0 A for SG12RT-20
Efficiency
European efficiency 98.0 % 98.1 % Effectively the same
Max efficiency 98.5 % 98.5 % 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 25.0 kg 17.0 kg -8.0 kg for SG12RT-20
Weight per kW 2.1 kg/kW 1.4 kg/kW -0.7 kg/kW for SG12RT-20
Dimensions 470x525x262 mm 480x370x195 mm 470x525x262 mm vs 480x370x195 mm
Ingress protection IP65 IP65 Same
Cooling natural forced-air natural vs forced-air
Noise - - Neither datasheet publishes this
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 Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Huawei SUN2000-12KTL-M2 vs Growatt MOD 12KTL3-X
10 differences, the largest is max input current per tracker
Same type, similar size
Growatt
Huawei SUN2000-12KTL-M2 vs Growatt MOD 12KTL3-X2(Pro)
11 differences, the largest is max input current per tracker
Same type, similar size
Sungrow
Huawei SUN2000-12KTL-M2 vs Sungrow SG12KTL-M
9 differences, the largest is max input current per tracker
Same type, similar size
GoodWe
Sungrow SG12RT-20 vs GoodWe GW12KLN-DT
6 differences, the largest is max dc voltage
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.