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STP4.0-3AV-40 (Sunny Tripower 4.0) vs Solis-3P4K-4G 12 of 20 identical Swap Change inverters

SMA Solar STP4.0-3AV-40 (Sunny Tripower 4.0) vs Solis-3P4K-4G

SMA Solar STP4.0-3AV-40 (Sunny Tripower 4.0)
SMA Solar
STP4.0-3AV-40 (Sunny Tripower 4.0)
4 kW 97.1 % 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

Solis-3P4K-4G leads on the differences that matter

The largest is european efficiency: 0.7 pp more efficient. 12 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
12 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 20 parameters
Parameter STP4.0-3AV-40 (Sunny Tripower 4.0) Solis-3P4K-4G Difference
European efficiency 97.1 % 97.8 % 0.7 pp more efficient
Max DC voltage 850 V 1000 V 150 V apart
Max AC power 4.00 kW 4.40 kW 0.40 kW apart
Max PV power 8.00 kW 4.80 kW 3.20 kW apart
DC/AC ratio 2.00 1.20 0.80 more oversizing headroom
Nominal AC voltage 230 V 400 V 170 V apart
MPPT voltage range 140-800 V 160-850 V 140-800 V vs 160-850 V
Dimensions 470x435x176 mm 563x310x219 mm 470x435x176 mm vs 563x310x219 mm
02

Full specification

Parameter STP4.0-3AV-40 (Sunny Tripower 4.0) 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 3-phase 3-phase Same
Nominal AC voltage 230 V 400 V 170 V apart
Max AC current 6.1 A 6.4 A Effectively the same
PV input
Max PV power 8.00 kW 4.80 kW 3.20 kW apart
DC/AC ratio 2.00 1.20 +0.80 for STP4.0-3AV-40 (Sunny Tripower 4.0)
Max DC voltage 850 V 1000 V 150 V apart
MPPT voltage range 140-800 V 160-850 V 140-800 V vs 160-850 V
Start voltage 175 V 180 V Effectively the same
MPP trackers 2 2 Same
Strings per tracker 1 - Not published by Ginlong Solis
Max input current per tracker 12.0 A - Not published by Ginlong Solis
Efficiency
European efficiency 97.1 % 97.8 % +0.7 pp for Solis-3P4K-4G
Max efficiency 98.2 % 98.3 % Effectively the same
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 17.0 kg 17.3 kg Effectively the same
Weight per kW 4.2 kg/kW 4.3 kg/kW Effectively the same
Dimensions 470x435x176 mm 563x310x219 mm 470x435x176 mm vs 563x310x219 mm
Ingress protection IP65 IP65 Same
Cooling natural - Not published by Ginlong Solis
Noise 30 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 Not published by SMA Solar
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs - Not published by Ginlong Solis
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.