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MOD 8KTL3-X2(Pro) vs GWT8K-SDT-30 (SDT G3 series) 15 of 19 identical Swap Change inverters

Growatt MOD 8KTL3-X2(Pro) vs GoodWe GWT8K-SDT-30 (SDT G3 series)

Growatt MOD 8KTL3-X2(Pro)
Growatt
MOD 8KTL3-X2(Pro)
8 kW 98.1 % euro Grid-tie
Open inverter page Datasheet PDF
VS
GoodWe GWT8K-SDT-30 (SDT G3 series)
GoodWe
GWT8K-SDT-30 (SDT G3 series)
8 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

GWT8K-SDT-30 (SDT G3 series) leads on the differences that matter

The largest is max input current per tracker: 2.0 A more headroom. 15 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 4 differences
How alike are they
15 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

4 of 19 parameters
Parameter MOD 8KTL3-X2(Pro) GWT8K-SDT-30 (SDT G3 series) Difference
Max input current per tracker 20.0 A 22.0 A 2.0 A more headroom
Max AC power 8.00 kW 8.80 kW 0.80 kW apart
Nominal AC voltage 400 V 380 V 20 V apart
Dimensions 387x425x178 mm 392x491x204 mm 387x425x178 mm vs 392x491x204 mm
02

Full specification

Parameter MOD 8KTL3-X2(Pro) GWT8K-SDT-30 (SDT G3 series) Difference
AC output
Rated AC power 8.00 kW 8.00 kW Same
Max AC power 8.00 kW 8.80 kW 0.80 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 380 V 20 V apart
Max AC current 13.3 A 13.4 A Effectively the same
PV input
Max PV power 12.00 kW - Not published by GoodWe
DC/AC ratio 1.50 - Not published by GoodWe
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 140-1000 V 140-1000 V Same
Start voltage 160 V 160 V Same
MPP trackers 2 2 Same
Strings per tracker 1 1 Same
Max input current per tracker 20.0 A 22.0 A +2.0 A for GWT8K-SDT-30 (SDT G3 series)
Efficiency
European efficiency 98.1 % - Not published by GoodWe
Max efficiency 98.6 % 98.6 % 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 14.6 kg 14.7 kg Effectively the same
Weight per kW 1.8 kg/kW 1.8 kg/kW Same
Dimensions 387x425x178 mm 392x491x204 mm 387x425x178 mm vs 392x491x204 mm
Ingress protection IP66 IP66 Same
Cooling natural natural Same
Noise - 29 dB Not published by Growatt
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by GoodWe
Ethernet Yes - Not published by GoodWe
Arc fault protection Yes Yes Same
Integrated DC switch - Yes Not published by Growatt
Warranty
Warranty 8 yrs - Not published by GoodWe
03

More useful comparisons

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Growatt MOD 8KTL3-X2(Pro) vs Sungrow SG8.0RT-20
8 differences, the largest is max input current per tracker
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GoodWe
Growatt MOD 8KTL3-X2(Pro) vs GoodWe GW8000-DT
9 differences, the largest is max dc voltage
04

Written summary

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