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STP 125-70 (Sunny Tripower 125) vs S5-GC125K-HV 13 of 22 identical Swap Change inverters

SMA Solar STP 125-70 (Sunny Tripower 125) vs Ginlong Solis S5-GC125K-HV

SMA Solar
STP 125-70 (Sunny Tripower 125)
125 kW 98.1 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Ginlong Solis S5-GC125K-HV
Ginlong Solis
S5-GC125K-HV
125 kW 98.6 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

S5-GC125K-HV leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 13 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
13 of 22 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 22 parameters
Parameter STP 125-70 (Sunny Tripower 125) S5-GC125K-HV Difference
European efficiency 98.1 % 98.6 % 0.5 pp more efficient
Max input current per tracker 30.0 A 32.0 A 2.0 A more headroom
Max efficiency 98.4 % 99.0 % 0.6 pp more efficient
Max AC power 125.00 kW 137.50 kW 12.50 kW apart
MPP trackers 12 10 2 trackers more
Weight 96.0 kg 91.0 kg 5.0 kg lighter
Max AC current 181.1 A 165.4 A 15.7 A apart
Ingress protection IP65 IP66 IP65 vs IP66
Dimensions 795x1020x360 mm 567x1065x344 mm 795x1020x360 mm vs 567x1065x344 mm
02

Full specification

Parameter STP 125-70 (Sunny Tripower 125) S5-GC125K-HV Difference
AC output
Rated AC power 125.00 kW 125.00 kW Same
Max AC power 125.00 kW 137.50 kW 12.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 181.1 A 165.4 A 15.7 A apart
PV input
Max PV power 187.50 kW - Not published by Ginlong Solis
DC/AC ratio 1.50 - Not published by Ginlong Solis
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 180-1000 V 180-1000 V Same
Start voltage 200 V 195 V Effectively the same
MPP trackers 12 10 +2 trackers for STP 125-70 (Sunny Tripower 125)
Strings per tracker 2 2 Same
Max input current per tracker 30.0 A 32.0 A +2.0 A for S5-GC125K-HV
Efficiency
European efficiency 98.1 % 98.6 % +0.5 pp for S5-GC125K-HV
Max efficiency 98.4 % 99.0 % +0.6 pp for S5-GC125K-HV
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 96.0 kg 91.0 kg -5.0 kg for S5-GC125K-HV
Weight per kW 0.8 kg/kW 0.7 kg/kW Effectively the same
Dimensions 795x1020x360 mm 567x1065x344 mm 795x1020x360 mm vs 567x1065x344 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air forced-air Same
Noise 71 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 Yes Same
Warranty
Warranty 5 yrs - Not published by Ginlong Solis
03

More useful comparisons

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Ginlong Solis
Ginlong Solis S5-GC125K-HV vs Ginlong Solis S6-GC125K
9 differences, the largest is max input current per tracker
04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.