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SG40CX-P2 vs Solis-40K 12 of 20 identical Swap Change inverters

Sungrow SG40CX-P2 vs Solis-40K

Sungrow SG40CX-P2
Sungrow
SG40CX-P2
40 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Solis-40K
Ginlong Solis
Solis-40K
40 kW 98.4 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG40CX-P2 leads on the differences that matter

The largest is max pv power: 8.00 kW apart. 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 SG40CX-P2 Solis-40K Difference
Max PV power 56.00 kW 48.00 kW 8.00 kW apart
Weight 40.0 kg 61.0 kg 21.0 kg lighter
DC/AC ratio 1.40 1.20 0.20 more oversizing headroom
Weight per kW 1.0 kg/kW 1.5 kg/kW 0.5 kg/kW lighter
Max efficiency 98.5 % 98.8 % 0.3 pp more efficient
Ingress protection IP66 IP65 IP66 vs IP65
MPPT voltage range 160-1000 V 200-1000 V 160-1000 V vs 200-1000 V
Dimensions 575x645x245 mm 700x630x357 mm 575x645x245 mm vs 700x630x357 mm
02

Full specification

Parameter SG40CX-P2 Solis-40K Difference
AC output
Rated AC power 40.00 kW 40.00 kW Same
Max AC power 44.00 kW 44.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 66.9 A 66.9 A Same
PV input
Max PV power 56.00 kW 48.00 kW 8.00 kW apart
DC/AC ratio 1.40 1.20 +0.20 for SG40CX-P2
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 160-1000 V 200-1000 V 160-1000 V vs 200-1000 V
Start voltage 200 V 200 V Same
MPP trackers 4 4 Same
Strings per tracker 2 - Not published by Ginlong Solis
Max input current per tracker 30.0 A - Not published by Ginlong Solis
Efficiency
European efficiency 98.3 % 98.4 % Effectively the same
Max efficiency 98.5 % 98.8 % +0.3 pp for Solis-40K
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 40.0 kg 61.0 kg -21.0 kg for SG40CX-P2
Weight per kW 1.0 kg/kW 1.5 kg/kW -0.5 kg/kW for SG40CX-P2
Dimensions 575x645x245 mm 700x630x357 mm 575x645x245 mm vs 700x630x357 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling forced-air - 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 - Not published by Ginlong Solis
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.