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GW20K-ET vs MID 20KTL3-XH 13 of 25 identical Swap Change inverters

GoodWe GW20K-ET vs Growatt MID 20KTL3-XH

GoodWe GW20K-ET
GoodWe
GW20K-ET
20 kW Hybrid
Open inverter page Datasheet PDF
VS
Growatt MID 20KTL3-XH
Growatt
MID 20KTL3-XH
20 kW 98.5 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

MID 20KTL3-XH leads on the differences that matter

The largest is max dc voltage: 100 V apart. 13 of 25 comparable parameters are identical, with 7 more left out because at least one datasheet does not publish them.

See all 12 differences
How alike are they
13 of 25 comparable
parameters are identical
identical differs not published
01

What actually differs

12 of 25 parameters
Parameter GW20K-ET MID 20KTL3-XH Difference
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 30.0 A 32.0 A 2.0 A more headroom
Max AC power 22.00 kW 20.00 kW 2.00 kW apart
Max PV power 30.00 kW 40.00 kW 10.00 kW apart
DC/AC ratio 1.50 2.00 0.50 more oversizing headroom
Max charge current 50 A 25 A 25 A faster charging
Weight 48.0 kg 31.0 kg 17.0 kg lighter
Weight per kW 2.4 kg/kW 1.6 kg/kW 0.8 kg/kW lighter
Max efficiency 98.0 % 98.5 % 0.5 pp more efficient
MPPT voltage range 200-850 V 160-1000 V 200-850 V vs 160-1000 V
Battery voltage 200-800 600-980 V 200-800 vs 600-980 V
Dimensions 660x520x220 mm 435x580x230 mm 660x520x220 mm vs 435x580x230 mm
02

Full specification

Parameter GW20K-ET MID 20KTL3-XH Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 22.00 kW 20.00 kW 2.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 33.3 A 33.3 A Same
PV input
Max PV power 30.00 kW 40.00 kW 10.00 kW apart
DC/AC ratio 1.50 2.00 +0.50 for MID 20KTL3-XH
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 200-850 V 160-1000 V 200-850 V vs 160-1000 V
Start voltage 200 V 200 V Same
MPP trackers - - Neither datasheet publishes this
Strings per tracker 2 2 Same
Max input current per tracker 30.0 A 32.0 A +2.0 A for MID 20KTL3-XH
Efficiency
European efficiency - 98.5 % Not published by GoodWe
Max efficiency 98.0 % 98.5 % +0.5 pp for MID 20KTL3-XH
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 200-800 600-980 V 200-800 vs 600-980 V
Max charge current 50 A 25 A +25 A for GW20K-ET
Backup power - - Neither datasheet publishes this
Physical
Weight 48.0 kg 31.0 kg -17.0 kg for MID 20KTL3-XH
Weight per kW 2.4 kg/kW 1.6 kg/kW -0.8 kg/kW for MID 20KTL3-XH
Dimensions 660x520x220 mm 435x580x230 mm 660x520x220 mm vs 435x580x230 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
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 Growatt
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by GoodWe
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.