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MID 12KTL3-XH vs GW12K-ET-20 (ET G2) 10 of 25 identical Swap Change inverters

Growatt MID 12KTL3-XH vs GoodWe GW12K-ET-20 (ET G2)

Growatt MID 12KTL3-XH
Growatt
MID 12KTL3-XH
12 kW 98.5 % euro Hybrid
VS
GoodWe GW12K-ET-20 (ET G2)
GoodWe
GW12K-ET-20 (ET G2)
12 kW Hybrid
The verdict

15 differences, and they point both ways

The largest is max dc voltage: 100 V apart. 10 of 25 comparable parameters are identical, with 7 more left out because at least one datasheet does not publish them.

See all 15 differences
How alike are they
10 of 25 comparable
parameters are identical
identical differs not published
01

What actually differs

15 of 25 parameters
Parameter MID 12KTL3-XH GW12K-ET-20 (ET G2) Difference
Max DC voltage 1100 V 1000 V 100 V apart
Max input current per tracker 32.0 A 16.0 A 16.0 A more headroom
Max efficiency 98.8 % 98.2 % 0.5 pp more efficient
Max PV power 24.00 kW 19.20 kW 4.80 kW apart
DC/AC ratio 2.00 1.60 0.40 more oversizing headroom
Max charge current 25 A 40 A 15 A faster charging
Weight 31.0 kg 25.0 kg 6.0 kg lighter
Weight per kW 2.6 kg/kW 2.1 kg/kW 0.5 kg/kW lighter
Max AC current 20.0 A 26.1 A 6.1 A apart
Start voltage 200 V 150 V 50 V earlier start
MPPT voltage range 160-1000 V 120-850 V 160-1000 V vs 120-850 V
Battery voltage 600-980 V 150-720 V 600-980 V vs 150-720 V
Strings per tracker 2 1 1 string apart
Dimensions 435x580x230 mm 460x496x221 mm 435x580x230 mm vs 460x496x221 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter MID 12KTL3-XH GW12K-ET-20 (ET G2) Difference
AC output
Rated AC power 12.00 kW 12.00 kW Same
Max AC power 12.00 kW 12.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 20.0 A 26.1 A 6.1 A apart
PV input
Max PV power 24.00 kW 19.20 kW 4.80 kW apart
DC/AC ratio 2.00 1.60 +0.40 for MID 12KTL3-XH
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 160-1000 V 120-850 V 160-1000 V vs 120-850 V
Start voltage 200 V 150 V -50 V for GW12K-ET-20 (ET G2)
MPP trackers - 3 Not published by Growatt
Strings per tracker 2 1 1 string apart
Max input current per tracker 32.0 A 16.0 A +16.0 A for MID 12KTL3-XH
Efficiency
European efficiency 98.5 % - Not published by GoodWe
Max efficiency 98.8 % 98.2 % +0.5 pp for MID 12KTL3-XH
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 600-980 V 150-720 V 600-980 V vs 150-720 V
Max charge current 25 A 40 A +15 A for GW12K-ET-20 (ET G2)
Backup power - - Neither datasheet publishes this
Physical
Weight 31.0 kg 25.0 kg -6.0 kg for GW12K-ET-20 (ET G2)
Weight per kW 2.6 kg/kW 2.1 kg/kW -0.5 kg/kW for GW12K-ET-20 (ET G2)
Dimensions 435x580x230 mm 460x496x221 mm 435x580x230 mm vs 460x496x221 mm
Ingress protection IP66 IP66 Same
Cooling forced-air natural forced-air vs natural
Noise - - Neither datasheet publishes this
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 Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs - Not published by GoodWe
03

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04

Written summary

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