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MID 12KTL3-XH vs ESI-12K-T1 14 of 25 identical Swap Change inverters

Growatt MID 12KTL3-XH vs Sofar Solar ESI-12K-T1

Growatt MID 12KTL3-XH
Growatt
MID 12KTL3-XH
12 kW 98.5 % euro Hybrid
Open inverter page Datasheet PDF
VS
Sofar Solar ESI-12K-T1
Sofar Solar
ESI-12K-T1
12 kW 97.5 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

MID 12KTL3-XH leads on the differences that matter

The largest is european efficiency: 1.0 pp more efficient. 14 of 25 comparable parameters are identical, with 7 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
14 of 25 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 25 parameters
Parameter MID 12KTL3-XH ESI-12K-T1 Difference
European efficiency 98.5 % 97.5 % 1.0 pp more efficient
Max DC voltage 1100 V 1000 V 100 V apart
Max input current per tracker 32.0 A 20.0 A 12.0 A more headroom
Max efficiency 98.8 % 98.2 % 0.5 pp more efficient
Max AC power 12.00 kW 13.20 kW 1.20 kW apart
Weight 31.0 kg 30.0 kg 1.0 kg lighter
MPPT voltage range 160-1000 V 160-950 V 160-1000 V vs 160-950 V
Battery voltage 600-980 V 350-435 Vdc 600-980 V vs 350-435 Vdc
Strings per tracker 2 1 1 string apart
Dimensions 435x580x230 mm 440x708x170 mm 435x580x230 mm vs 440x708x170 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter MID 12KTL3-XH ESI-12K-T1 Difference
AC output
Rated AC power 12.00 kW 12.00 kW Same
Max AC power 12.00 kW 13.20 kW 1.20 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 20.0 A 20.0 A Same
PV input
Max PV power 24.00 kW 24.00 kW Same
DC/AC ratio 2.00 2.00 Same
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 160-1000 V 160-950 V 160-1000 V vs 160-950 V
Start voltage 200 V 200 V Same
MPP trackers - 3 Not published by Growatt
Strings per tracker 2 1 1 string apart
Max input current per tracker 32.0 A 20.0 A +12.0 A for MID 12KTL3-XH
Efficiency
European efficiency 98.5 % 97.5 % +1.0 pp for MID 12KTL3-XH
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 350-435 Vdc 600-980 V vs 350-435 Vdc
Max charge current 25 A 25 A Same
Backup power - - Neither datasheet publishes this
Physical
Weight 31.0 kg 30.0 kg -1.0 kg for ESI-12K-T1
Weight per kW 2.6 kg/kW 2.5 kg/kW Effectively the same
Dimensions 435x580x230 mm 440x708x170 mm 435x580x230 mm vs 440x708x170 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 - Not published by Sofar Solar
Ethernet - - Neither datasheet publishes this
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs - Not published by Sofar Solar
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.