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Solis-3P9K-4G vs SUN-9K-G 6 of 20 identical Swap Change inverters

Solis-3P9K-4G vs Deye SUN-9K-G

Ginlong Solis
Solis-3P9K-4G
9 kW 97.8 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Deye SUN-9K-G
Deye
SUN-9K-G
9 kW 97.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

14 differences, and they point both ways

The largest is max dc voltage: 450 V apart. 6 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 14 differences
How alike are they
6 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

14 of 20 parameters
Parameter Solis-3P9K-4G SUN-9K-G Difference
Max DC voltage 1000 V 550 V 450 V apart
Max efficiency 98.3 % 97.7 % 0.6 pp more efficient
Max PV power 10.80 kW 11.70 kW 0.90 kW apart
Weight 18.0 kg 15.7 kg 2.3 kg lighter
European efficiency 97.8 % 97.5 % 0.3 pp more efficient
DC/AC ratio 1.20 1.30 0.10 more oversizing headroom
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 14.3 A 43.0 A 28.7 A apart
Start voltage 180 V 80 V 100 V earlier start
Max operating temperature 60 °C 65 °C 5 °C more heat tolerant
Weight per kW 2.0 kg/kW 1.7 kg/kW 0.3 kg/kW lighter
MPPT voltage range 160-850 V 70-550 V 160-850 V vs 70-550 V
Dimensions 563x310x219 mm 410x330x198 mm 563x310x219 mm vs 410x330x198 mm
02

Full specification

Parameter Solis-3P9K-4G SUN-9K-G Difference
AC output
Rated AC power 9.00 kW 9.00 kW Same
Max AC power 9.90 kW 9.90 kW Same
Grid connection 3-phase Single-phase 3-phase vs Single-phase
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 14.3 A 43.0 A 28.7 A apart
PV input
Max PV power 10.80 kW 11.70 kW 0.90 kW apart
DC/AC ratio 1.20 1.30 +0.10 for SUN-9K-G
Max DC voltage 1000 V 550 V 450 V apart
MPPT voltage range 160-850 V 70-550 V 160-850 V vs 70-550 V
Start voltage 180 V 80 V -100 V for SUN-9K-G
MPP trackers 2 2 Same
Strings per tracker - 2 Not published by Ginlong Solis
Max input current per tracker - 25.0 A Not published by Ginlong Solis
Efficiency
European efficiency 97.8 % 97.5 % +0.3 pp for Solis-3P9K-4G
Max efficiency 98.3 % 97.7 % +0.6 pp for Solis-3P9K-4G
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 18.0 kg 15.7 kg -2.3 kg for SUN-9K-G
Weight per kW 2.0 kg/kW 1.7 kg/kW -0.3 kg/kW for SUN-9K-G
Dimensions 563x310x219 mm 410x330x198 mm 563x310x219 mm vs 410x330x198 mm
Ingress protection IP65 IP65 Same
Cooling - natural Not published by Ginlong Solis
Noise - 25 dB Not published by Ginlong Solis
Max operating temperature 60 °C 65 °C +5 °C for SUN-9K-G
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet - Yes Not published by Ginlong Solis
Arc fault protection Yes - Not published by Deye
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.