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Solis-3P9K-4G vs SE9K-RWZZZBEN4 (per inverter; bundle is 2×SE9K, marketed as SE18K-BUNDLE*) 9 of 17 identical Swap Change inverters

Solis-3P9K-4G vs SolarEdge SE9K-RWZZZBEN4 (per inverter; bundle is 2×SE9K, marketed as SE18K-BUNDLE*)

Ginlong Solis
Solis-3P9K-4G
9 kW 97.8 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SolarEdge SE9K-RWZZZBEN4 (per inverter; bundle is 2×SE9K, marketed as SE18K-BUNDLE*)
SolarEdge
SE9K-RWZZZBEN4 (per inverter; bundle is 2×SE9K, marketed as SE18K-BUNDLE*)
9 kW 97.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

8 differences, and they point both ways

The largest is max dc voltage: 100 V apart. 9 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
9 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 17 parameters
Parameter Solis-3P9K-4G SE9K-RWZZZBEN4 (per inverter; bundle is 2×SE9K, marketed as SE18K-BUNDLE*) Difference
Max DC voltage 1000 V 900 V 100 V apart
Max AC power 9.90 kW 9.00 kW 0.90 kW apart
Max PV power 10.80 kW 13.50 kW 2.70 kW apart
DC/AC ratio 1.20 1.50 0.30 more oversizing headroom
European efficiency 97.8 % 97.5 % 0.3 pp more efficient
Weight 18.0 kg 16.4 kg 1.6 kg lighter
Max efficiency 98.3 % 98.0 % 0.3 pp more efficient
Dimensions 563x310x219 mm 540x315x191 mm 563x310x219 mm vs 540x315x191 mm
02

Full specification

Parameter Solis-3P9K-4G SE9K-RWZZZBEN4 (per inverter; bundle is 2×SE9K, marketed as SE18K-BUNDLE*) Difference
AC output
Rated AC power 9.00 kW 9.00 kW Same
Max AC power 9.90 kW 9.00 kW 0.90 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 14.3 A 14.5 A Effectively the same
PV input
Max PV power 10.80 kW 13.50 kW 2.70 kW apart
DC/AC ratio 1.20 1.50 +0.30 for SE9K-RWZZZBEN4 (per inverter; bundle is 2×SE9K, marketed as SE18K-BUNDLE*)
Max DC voltage 1000 V 900 V 100 V apart
MPPT voltage range 160-850 V - Not published by SolarEdge
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 % 97.5 % +0.3 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 16.4 kg -1.6 kg for SE9K-RWZZZBEN4 (per inverter; bundle is 2×SE9K, marketed as SE18K-BUNDLE*)
Weight per kW 2.0 kg/kW 1.8 kg/kW Effectively the same
Dimensions 563x310x219 mm 540x315x191 mm 563x310x219 mm vs 540x315x191 mm
Ingress protection IP65 IP65 Same
Cooling - forced-air Not published by Ginlong Solis
Noise - 40 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.