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SG4.0RS vs Solis-3P4K-4G 7 of 21 identical Swap Change inverters

Sungrow SG4.0RS vs Solis-3P4K-4G

Sungrow SG4.0RS
Sungrow
SG4.0RS
4 kW 97.2 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Ginlong Solis
Solis-3P4K-4G
4 kW 97.8 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

14 differences, and they point both ways

The largest is european efficiency: 0.6 pp more efficient. 7 of 21 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.

See all 14 differences
How alike are they
7 of 21 comparable
parameters are identical
identical differs not published
01

What actually differs

14 of 21 parameters
Parameter SG4.0RS Solis-3P4K-4G Difference
European efficiency 97.2 % 97.8 % 0.6 pp more efficient
Max DC voltage 600 V 1000 V 400 V apart
Max AC power 4.00 kW 4.40 kW 0.40 kW apart
Max PV power 6.00 kW 4.80 kW 1.20 kW apart
DC/AC ratio 1.50 1.20 0.30 more oversizing headroom
Weight 10.0 kg 17.3 kg 7.3 kg lighter
Weight per kW 2.5 kg/kW 4.3 kg/kW 1.8 kg/kW lighter
Max efficiency 97.9 % 98.3 % 0.4 pp more efficient
Grid connection Single-phase 3-phase Single-phase vs 3-phase
Nominal AC voltage 230 V 400 V 170 V apart
Max AC current 18.2 A 6.4 A 11.8 A apart
Start voltage 50 V 180 V 130 V earlier start
MPPT voltage range 40-560 V 160-850 V 40-560 V vs 160-850 V
Dimensions 270x410x150 mm 563x310x219 mm 270x410x150 mm vs 563x310x219 mm
02

Full specification

Parameter SG4.0RS Solis-3P4K-4G Difference
AC output
Rated AC power 4.00 kW 4.00 kW Same
Max AC power 4.00 kW 4.40 kW 0.40 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 18.2 A 6.4 A 11.8 A apart
PV input
Max PV power 6.00 kW 4.80 kW 1.20 kW apart
DC/AC ratio 1.50 1.20 +0.30 for SG4.0RS
Max DC voltage 600 V 1000 V 400 V apart
MPPT voltage range 40-560 V 160-850 V 40-560 V vs 160-850 V
Start voltage 50 V 180 V -130 V for SG4.0RS
MPP trackers 2 2 Same
Strings per tracker 1 - Not published by Ginlong Solis
Max input current per tracker 16.0 A - Not published by Ginlong Solis
Efficiency
European efficiency 97.2 % 97.8 % +0.6 pp for Solis-3P4K-4G
Max efficiency 97.9 % 98.3 % +0.4 pp for Solis-3P4K-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 10.0 kg 17.3 kg -7.3 kg for SG4.0RS
Weight per kW 2.5 kg/kW 4.3 kg/kW -1.8 kg/kW for SG4.0RS
Dimensions 270x410x150 mm 563x310x219 mm 270x410x150 mm vs 563x310x219 mm
Ingress protection IP65 IP65 Same
Cooling natural - Not published by Ginlong Solis
Noise - - Neither datasheet publishes this
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 Yes Same
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.