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WIT 20K-XHU vs MID 20KTL3-XH 12 of 25 identical Swap Change inverters

Growatt WIT 20K-XHU vs Growatt MID 20KTL3-XH

Growatt WIT 20K-XHU
Growatt
WIT 20K-XHU
20 kW 97.2 % euro 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 european efficiency: 1.3 pp more efficient. 12 of 25 comparable parameters are identical, with 7 more left out because at least one datasheet does not publish them.

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

What actually differs

13 of 25 parameters
Parameter WIT 20K-XHU MID 20KTL3-XH Difference
European efficiency 97.2 % 98.5 % 1.3 pp more efficient
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 40.0 A 32.0 A 8.0 A more headroom
Max AC power 22.00 kW 20.00 kW 2.00 kW apart
Max charge current 55 A 25 A 30 A faster charging
Weight 45.0 kg 31.0 kg 14.0 kg lighter
Weight per kW 2.2 kg/kW 1.6 kg/kW 0.7 kg/kW lighter
Max efficiency 98.1 % 98.5 % 0.4 pp more efficient
Max AC current 66.7 A 33.3 A 33.4 A apart
MPPT voltage range 150-850 V 160-1000 V 150-850 V vs 160-1000 V
Start voltage 180 V 200 V 20 V earlier start
Battery voltage 120-800V 600-980 V 120-800V vs 600-980 V
Dimensions 456x684x240 mm 435x580x230 mm 456x684x240 mm vs 435x580x230 mm
02

Full specification

Parameter WIT 20K-XHU 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 66.7 A 33.3 A 33.4 A apart
PV input
Max PV power 40.00 kW 40.00 kW Same
DC/AC ratio 2.00 2.00 Same
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 150-850 V 160-1000 V 150-850 V vs 160-1000 V
Start voltage 180 V 200 V -20 V for WIT 20K-XHU
MPP trackers 2 - Not published by Growatt
Strings per tracker 2 2 Same
Max input current per tracker 40.0 A 32.0 A +8.0 A for WIT 20K-XHU
Efficiency
European efficiency 97.2 % 98.5 % +1.3 pp for MID 20KTL3-XH
Max efficiency 98.1 % 98.5 % +0.4 pp for MID 20KTL3-XH
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 120-800V 600-980 V 120-800V vs 600-980 V
Max charge current 55 A 25 A +30 A for WIT 20K-XHU
Backup power - - Neither datasheet publishes this
Physical
Weight 45.0 kg 31.0 kg -14.0 kg for MID 20KTL3-XH
Weight per kW 2.2 kg/kW 1.6 kg/kW -0.7 kg/kW for MID 20KTL3-XH
Dimensions 456x684x240 mm 435x580x230 mm 456x684x240 mm vs 435x580x230 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise 55 dB - Not published by Growatt
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet - - Neither datasheet publishes this
Arc fault protection - Yes Not published by Growatt
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Growatt
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.