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

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

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

Full specification

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

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8 differences, the largest is max input current per tracker
04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.