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SG15KTL-M vs SUN-15K-G03 10 of 18 identical Swap Change inverters

Sungrow SG15KTL-M vs Deye SUN-15K-G03

Sungrow
SG15KTL-M
15 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Deye SUN-15K-G03
Deye
SUN-15K-G03
15 kW 97.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

8 differences, and they point both ways

The largest is european efficiency: 0.8 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 SG15KTL-M SUN-15K-G03 Difference
European efficiency 98.3 % 97.5 % 0.8 pp more efficient
Max DC voltage 1100 V 1000 V 100 V apart
Max AC power 15.00 kW 16.50 kW 1.50 kW apart
Weight 24.0 kg 17.0 kg 7.0 kg lighter
Weight per kW 1.6 kg/kW 1.1 kg/kW 0.5 kg/kW 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
Dimensions 485x370x210 mm 430x330x194 mm 485x370x210 mm vs 430x330x194 mm
02

Full specification

Parameter SG15KTL-M SUN-15K-G03 Difference
AC output
Rated AC power 15.00 kW 15.00 kW Same
Max AC power 15.00 kW 16.50 kW 1.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 24.0 A 23.9 A Effectively the same
PV input
Max PV power - 19.50 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 % 97.5 % +0.8 pp for SG15KTL-M
Max efficiency 98.6 % 98.5 % 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 17.0 kg -7.0 kg for SUN-15K-G03
Weight per kW 1.6 kg/kW 1.1 kg/kW -0.5 kg/kW for SUN-15K-G03
Dimensions 485x370x210 mm 430x330x194 mm 485x370x210 mm vs 430x330x194 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-15K-G03
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.