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SG20KTL-M vs SUN-20K-G02-LV 7 of 20 identical Swap Change inverters

Sungrow SG20KTL-M vs Deye SUN-20K-G02-LV

Sungrow
SG20KTL-M
20 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Deye
SUN-20K-G02-LV
20 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

13 differences, and they point both ways

The largest is max dc voltage: 300 V apart. 7 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 13 differences
How alike are they
7 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

13 of 20 parameters
Parameter SG20KTL-M SUN-20K-G02-LV Difference
Max DC voltage 1100 V 800 V 300 V apart
Max input current per tracker 22.0 A 40.0 A 18.0 A more headroom
Max AC power 20.00 kW 22.00 kW 2.00 kW apart
MPP trackers 2 4 2 trackers more
Weight 24.0 kg 44.5 kg 20.5 kg lighter
Weight per kW 1.2 kg/kW 2.2 kg/kW 1.0 kg/kW lighter
European efficiency 98.3 % 98.0 % 0.3 pp more efficient
Nominal AC voltage 400 V 220 V 180 V apart
Max AC current 31.9 A 57.8 A 25.9 A apart
Max operating temperature 60 °C 65 °C 5 °C more heat tolerant
MPPT voltage range 200-1000 V 200-700 V 200-1000 V vs 200-700 V
Strings per tracker 2 3 1 string apart
Dimensions 485x370x210 mm 537x648x304 mm 485x370x210 mm vs 537x648x304 mm
02

Full specification

Parameter SG20KTL-M SUN-20K-G02-LV Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 20.00 kW 22.00 kW 2.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 220 V 180 V apart
Max AC current 31.9 A 57.8 A 25.9 A apart
PV input
Max PV power - 26.00 kW Not published by Sungrow
DC/AC ratio - 1.30 Not published by Sungrow
Max DC voltage 1100 V 800 V 300 V apart
MPPT voltage range 200-1000 V 200-700 V 200-1000 V vs 200-700 V
Start voltage 250 V 250 V Same
MPP trackers 2 4 +2 trackers for SUN-20K-G02-LV
Strings per tracker 2 3 1 string apart
Max input current per tracker 22.0 A 40.0 A +18.0 A for SUN-20K-G02-LV
Efficiency
European efficiency 98.3 % 98.0 % +0.3 pp for SG20KTL-M
Max efficiency 98.6 % 98.7 % Effectively the 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 24.0 kg 44.5 kg -20.5 kg for SG20KTL-M
Weight per kW 1.2 kg/kW 2.2 kg/kW -1.0 kg/kW for SG20KTL-M
Dimensions 485x370x210 mm 537x648x304 mm 485x370x210 mm vs 537x648x304 mm
Ingress protection IP65 IP65 Same
Cooling forced-air forced-air Same
Noise - 45 dB Not published by Sungrow
Max operating temperature 60 °C 65 °C +5 °C for SUN-20K-G02-LV
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 - - 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.