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MOD 8KTL3-X2(Pro) vs STP8.0-3AV-40 9 of 24 identical Swap Change inverters

Growatt MOD 8KTL3-X2(Pro) vs SMA Solar STP8.0-3AV-40

Growatt MOD 8KTL3-X2(Pro)
Growatt
MOD 8KTL3-X2(Pro)
8 kW 98.1 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SMA Solar STP8.0-3AV-40
SMA Solar
STP8.0-3AV-40
8 kW 97.7 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

MOD 8KTL3-X2(Pro) leads on the differences that matter

The largest is max dc voltage: 100 V apart. 9 of 24 comparable parameters are identical, with 8 more left out because at least one datasheet does not publish them.

See all 15 differences
How alike are they
9 of 24 comparable
parameters are identical
identical differs not published
01

What actually differs

15 of 24 parameters
Parameter MOD 8KTL3-X2(Pro) STP8.0-3AV-40 Difference
Max DC voltage 1100 V 1000 V 100 V apart
Warranty 8 yrs 5 yrs 3 yrs longer
European efficiency 98.1 % 97.7 % 0.4 pp more efficient
Max PV power 12.00 kW 15.00 kW 3.00 kW apart
DC/AC ratio 1.50 1.88 0.38 more oversizing headroom
Weight 14.6 kg 20.5 kg 5.9 kg lighter
Weight per kW 1.8 kg/kW 2.6 kg/kW 0.7 kg/kW lighter
Max efficiency 98.6 % 98.3 % 0.3 pp more efficient
Nominal AC voltage 400 V 230 V 170 V apart
Ingress protection IP66 IP65 IP66 vs IP65
Max AC current 13.3 A 12.1 A 1.2 A apart
MPPT voltage range 140-1000 V 260-800 V 140-1000 V vs 260-800 V
Start voltage 160 V 175 V 15 V earlier start
Strings per tracker 1 2 1 string apart
Dimensions 387x425x178 mm 497x460x176 mm 387x425x178 mm vs 497x460x176 mm
02

Full specification

Parameter MOD 8KTL3-X2(Pro) STP8.0-3AV-40 Difference
AC output
Rated AC power 8.00 kW 8.00 kW Same
Max AC power 8.00 kW 8.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 13.3 A 12.1 A 1.2 A apart
PV input
Max PV power 12.00 kW 15.00 kW 3.00 kW apart
DC/AC ratio 1.50 1.88 +0.38 for STP8.0-3AV-40
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 140-1000 V 260-800 V 140-1000 V vs 260-800 V
Start voltage 160 V 175 V -15 V for MOD 8KTL3-X2(Pro)
MPP trackers 2 2 Same
Strings per tracker 1 2 1 string apart
Max input current per tracker 20.0 A 20.0 A Same
Efficiency
European efficiency 98.1 % 97.7 % +0.4 pp for MOD 8KTL3-X2(Pro)
Max efficiency 98.6 % 98.3 % +0.3 pp for MOD 8KTL3-X2(Pro)
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 14.6 kg 20.5 kg -5.9 kg for MOD 8KTL3-X2(Pro)
Weight per kW 1.8 kg/kW 2.6 kg/kW -0.7 kg/kW for MOD 8KTL3-X2(Pro)
Dimensions 387x425x178 mm 497x460x176 mm 387x425x178 mm vs 497x460x176 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling natural natural Same
Noise - 30 dB Not published by Growatt
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes - Not published by SMA Solar
Integrated DC switch - Yes Not published by Growatt
Warranty
Warranty 8 yrs 5 yrs +3 yrs for MOD 8KTL3-X2(Pro)
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.