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Solis-3P9K-4G vs SE15K (Delta grid version; part no. SExxK-xxxxxbxx4) 5 of 18 identical Swap Change inverters

Solis-3P9K-4G vs SolarEdge SE15K (Delta grid version; part no. SExxK-xxxxxbxx4)

Ginlong Solis
Solis-3P9K-4G
9 kW 97.8 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SolarEdge SE15K (Delta grid version; part no. SExxK-xxxxxbxx4)
SolarEdge
SE15K (Delta grid version; part no. SExxK-xxxxxbxx4)
8.7 kW 97.6 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

Solis-3P9K-4G leads on the differences that matter

The largest is rated ac power: 0.30 kW apart. 5 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 13 differences
How alike are they
5 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

13 of 18 parameters
Parameter Solis-3P9K-4G SE15K (Delta grid version; part no. SExxK-xxxxxbxx4) Difference
Rated AC power 9.00 kW 8.70 kW 0.30 kW apart
Max DC voltage 1000 V 600 V 400 V apart
Max AC power 9.90 kW 8.70 kW 1.20 kW apart
Max PV power 10.80 kW 11.74 kW 0.94 kW apart
Weight 18.0 kg 30.7 kg 12.7 kg lighter
Weight per kW 2.0 kg/kW 3.5 kg/kW 1.5 kg/kW lighter
DC/AC ratio 1.20 1.35 0.15 more oversizing headroom
European efficiency 97.8 % 97.6 % 0.2 pp more efficient
Max efficiency 98.3 % 98.0 % 0.3 pp more efficient
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 14.3 A 23.0 A 8.7 A apart
MPPT voltage range 160-850 V 370-600 V 160-850 V vs 370-600 V
Dimensions 563x310x219 mm 540x315x260 mm 563x310x219 mm vs 540x315x260 mm
02

Full specification

Parameter Solis-3P9K-4G SE15K (Delta grid version; part no. SExxK-xxxxxbxx4) Difference
AC output
Rated AC power 9.00 kW 8.70 kW 0.30 kW apart
Max AC power 9.90 kW 8.70 kW 1.20 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 14.3 A 23.0 A 8.7 A apart
PV input
Max PV power 10.80 kW 11.74 kW 0.94 kW apart
DC/AC ratio 1.20 1.35 +0.15 for SE15K (Delta grid version; part no. SExxK-xxxxxbxx4)
Max DC voltage 1000 V 600 V 400 V apart
MPPT voltage range 160-850 V 370-600 V 160-850 V vs 370-600 V
Start voltage 180 V - Not published by SolarEdge
MPP trackers 2 - Not published by SolarEdge
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency 97.8 % 97.6 % +0.2 pp for Solis-3P9K-4G
Max efficiency 98.3 % 98.0 % +0.3 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 30.7 kg -12.7 kg for Solis-3P9K-4G
Weight per kW 2.0 kg/kW 3.5 kg/kW -1.5 kg/kW for Solis-3P9K-4G
Dimensions 563x310x219 mm 540x315x260 mm 563x310x219 mm vs 540x315x260 mm
Ingress protection IP65 IP65 Same
Cooling - forced-air Not published by Ginlong Solis
Noise - 50 dB Not published by Ginlong Solis
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet - Yes Not published by Ginlong Solis
Arc fault protection Yes Yes Same
Integrated DC switch Yes - Not published by SolarEdge
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.