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MID 20KTL3-X vs SG20T-P2-CN 9 of 18 identical Swap Change inverters

Growatt MID 20KTL3-X vs Sungrow SG20T-P2-CN

Growatt MID 20KTL3-X
Growatt
MID 20KTL3-X
20 kW 98.6 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG20T-P2-CN
Sungrow
SG20T-P2-CN
20 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

9 differences, and they point both ways

The largest is weight: 4.0 kg lighter. 9 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
9 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 18 parameters
Parameter MID 20KTL3-X SG20T-P2-CN Difference
Weight 23.0 kg 19.0 kg 4.0 kg lighter
European efficiency 98.6 % 98.3 % 0.3 pp more efficient
Start voltage 250 V 180 V 70 V earlier start
Max efficiency 98.8 % 98.5 % 0.2 pp more efficient
Ingress protection IP65 IP66 IP65 vs IP66
Max AC current 31.9 A 33.3 A 1.4 A apart
MPPT voltage range 200-1000 V 160-1000 V 200-1000 V vs 160-1000 V
Weight per kW 1.1 kg/kW 0.9 kg/kW 0.2 kg/kW lighter
Dimensions 395x525x222 mm 420x510x226 mm 395x525x222 mm vs 420x510x226 mm
02

Full specification

Parameter MID 20KTL3-X SG20T-P2-CN 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 33.3 A 1.4 A apart
PV input
Max PV power 30.00 kW - Not published by Sungrow
DC/AC ratio 1.50 - Not published by Sungrow
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 200-1000 V 160-1000 V 200-1000 V vs 160-1000 V
Start voltage 250 V 180 V -70 V for SG20T-P2-CN
MPP trackers 2 2 Same
Strings per tracker - 2 Not published by Growatt
Max input current per tracker - 40.0 A Not published by Growatt
Efficiency
European efficiency 98.6 % 98.3 % +0.3 pp for MID 20KTL3-X
Max efficiency 98.8 % 98.5 % +0.2 pp for MID 20KTL3-X
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 23.0 kg 19.0 kg -4.0 kg for SG20T-P2-CN
Weight per kW 1.1 kg/kW 0.9 kg/kW -0.2 kg/kW for SG20T-P2-CN
Dimensions 395x525x222 mm 420x510x226 mm 395x525x222 mm vs 420x510x226 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air forced-air Same
Noise - 50 dB Not published by Growatt
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 - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs - Not published by Sungrow
03

More useful comparisons

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4 differences, the largest is max ac power
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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.