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SG20KTL-M vs SUN-20K-G02 10 of 18 identical Swap Change inverters

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

Sungrow
SG20KTL-M
20 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Deye
SUN-20K-G02
20 kW 97.8 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG20KTL-M leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 10 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
10 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 18 parameters
Parameter SG20KTL-M SUN-20K-G02 Difference
European efficiency 98.3 % 97.8 % 0.5 pp more efficient
Max DC voltage 1100 V 1000 V 100 V apart
Max AC power 20.00 kW 22.00 kW 2.00 kW apart
Weight 24.0 kg 28.0 kg 4.0 kg lighter
Max operating temperature 60 °C 65 °C 5 °C more heat tolerant
MPPT voltage range 200-1000 V 200-850 V 200-1000 V vs 200-850 V
Weight per kW 1.2 kg/kW 1.4 kg/kW 0.2 kg/kW lighter
Dimensions 485x370x210 mm 520x400x240 mm 485x370x210 mm vs 520x400x240 mm
02

Full specification

Parameter SG20KTL-M SUN-20K-G02 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 400 V Same
Max AC current 31.9 A 31.9 A Same
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 1000 V 100 V apart
MPPT voltage range 200-1000 V 200-850 V 200-1000 V vs 200-850 V
Start voltage 250 V 250 V Same
MPP trackers 2 2 Same
Strings per tracker 2 - Not published by Deye
Max input current per tracker 22.0 A - Not published by Deye
Efficiency
European efficiency 98.3 % 97.8 % +0.5 pp for SG20KTL-M
Max efficiency 98.6 % 98.6 % 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 28.0 kg -4.0 kg for SG20KTL-M
Weight per kW 1.2 kg/kW 1.4 kg/kW -0.2 kg/kW for SG20KTL-M
Dimensions 485x370x210 mm 520x400x240 mm 485x370x210 mm vs 520x400x240 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
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.