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SG8.0RT-20 vs SUN-8K-G 4 of 18 identical Swap Change inverters

Sungrow SG8.0RT-20 vs Deye SUN-8K-G

Sungrow SG8.0RT-20
Sungrow
SG8.0RT-20
8 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Deye SUN-8K-G
Deye
SUN-8K-G
8 kW 97.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

14 differences, and they point both ways

The largest is european efficiency: 0.5 pp more efficient. 4 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 14 differences
How alike are they
4 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

14 of 18 parameters
Parameter SG8.0RT-20 SUN-8K-G Difference
European efficiency 98.0 % 97.5 % 0.5 pp more efficient
Max DC voltage 1100 V 550 V 550 V apart
Max efficiency 98.5 % 97.7 % 0.8 pp more efficient
Max AC power 8.00 kW 8.80 kW 0.80 kW apart
Weight 17.0 kg 11.0 kg 6.0 kg lighter
Weight per kW 2.1 kg/kW 1.4 kg/kW 0.8 kg/kW lighter
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 13.3 A 38.3 A 25.0 A apart
Start voltage 180 V 120 V 60 V earlier start
Max operating temperature 60 °C 65 °C 5 °C more heat tolerant
MPPT voltage range 160-1000 V 70-550 V 160-1000 V vs 70-550 V
Dimensions 480x370x195 mm 310x330x198 mm 480x370x195 mm vs 310x330x198 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter SG8.0RT-20 SUN-8K-G Difference
AC output
Rated AC power 8.00 kW 8.00 kW Same
Max AC power 8.00 kW 8.80 kW 0.80 kW apart
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 13.3 A 38.3 A 25.0 A apart
PV input
Max PV power - 10.40 kW Not published by Sungrow
DC/AC ratio - 1.30 Not published by Sungrow
Max DC voltage 1100 V 550 V 550 V apart
MPPT voltage range 160-1000 V 70-550 V 160-1000 V vs 70-550 V
Start voltage 180 V 120 V -60 V for SUN-8K-G
MPP trackers 2 2 Same
Strings per tracker 1 - Not published by Deye
Max input current per tracker 25.0 A - Not published by Deye
Efficiency
European efficiency 98.0 % 97.5 % +0.5 pp for SG8.0RT-20
Max efficiency 98.5 % 97.7 % +0.8 pp for SG8.0RT-20
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 17.0 kg 11.0 kg -6.0 kg for SUN-8K-G
Weight per kW 2.1 kg/kW 1.4 kg/kW -0.8 kg/kW for SUN-8K-G
Dimensions 480x370x195 mm 310x330x198 mm 480x370x195 mm vs 310x330x198 mm
Ingress protection IP65 IP65 Same
Cooling forced-air natural forced-air vs natural
Noise - 25 dB Not published by Sungrow
Max operating temperature 60 °C 65 °C +5 °C for SUN-8K-G
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

More useful comparisons

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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.