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MID 20KTL3-X vs GW20K-SDT-CN-G40 9 of 17 identical Swap Change inverters

Growatt MID 20KTL3-X vs GoodWe GW20K-SDT-CN-G40

Growatt MID 20KTL3-X
Growatt
MID 20KTL3-X
20 kW 98.6 % euro Grid-tie
Open inverter page Datasheet PDF
VS
GoodWe GW20K-SDT-CN-G40
GoodWe
GW20K-SDT-CN-G40
20 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

GW20K-SDT-CN-G40 leads on the differences that matter

The largest is weight: 6.0 kg lighter. 9 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
9 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 17 parameters
Parameter MID 20KTL3-X GW20K-SDT-CN-G40 Difference
Weight 23.0 kg 17.0 kg 6.0 kg lighter
Nominal AC voltage 400 V 380 V 20 V apart
Start voltage 250 V 160 V 90 V earlier start
Max AC current 31.9 A 33.4 A 1.5 A apart
Ingress protection IP65 IP66 IP65 vs IP66
Weight per kW 1.1 kg/kW 0.8 kg/kW 0.3 kg/kW lighter
MPPT voltage range 200-1000 V 140-1000 V 200-1000 V vs 140-1000 V
Dimensions 395x525x222 mm 413x530x211 mm 395x525x222 mm vs 413x530x211 mm
02

Full specification

Parameter MID 20KTL3-X GW20K-SDT-CN-G40 Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 22.00 kW 22.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 380 V 20 V apart
Max AC current 31.9 A 33.4 A 1.5 A apart
PV input
Max PV power 30.00 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 200-1000 V 140-1000 V 200-1000 V vs 140-1000 V
Start voltage 250 V 160 V -90 V for GW20K-SDT-CN-G40
MPP trackers 2 2 Same
Strings per tracker - 2 Not published by Growatt
Max input current per tracker - 21.0 A Not published by Growatt
Efficiency
European efficiency 98.6 % - Not published by GoodWe
Max efficiency 98.8 % 98.6 % 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 23.0 kg 17.0 kg -6.0 kg for GW20K-SDT-CN-G40
Weight per kW 1.1 kg/kW 0.8 kg/kW -0.3 kg/kW for GW20K-SDT-CN-G40
Dimensions 395x525x222 mm 413x530x211 mm 395x525x222 mm vs 413x530x211 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air forced-air Same
Noise - 45 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 - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs - Not published by GoodWe
03

More useful comparisons

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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.