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

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

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

Full specification

Parameter ESI-12K-T1 MID 12KTL3-XH Difference
AC output
Rated AC power 12.00 kW 12.00 kW Same
Max AC power 13.20 kW 12.00 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 1000 V 1100 V 100 V apart
MPPT voltage range 160-950 V 160-1000 V 160-950 V vs 160-1000 V
Start voltage 200 V 200 V Same
MPP trackers 3 - Not published by Growatt
Strings per tracker 1 2 1 string apart
Max input current per tracker 20.0 A 32.0 A +12.0 A for MID 12KTL3-XH
Efficiency
European efficiency 97.5 % 98.5 % +1.0 pp for MID 12KTL3-XH
Max efficiency 98.2 % 98.8 % +0.5 pp for MID 12KTL3-XH
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 350-435 Vdc 600-980 V 350-435 Vdc vs 600-980 V
Max charge current 25 A 25 A Same
Backup power - - Neither datasheet publishes this
Physical
Weight 30.0 kg 31.0 kg -1.0 kg for ESI-12K-T1
Weight per kW 2.5 kg/kW 2.6 kg/kW Effectively the same
Dimensions 440x708x170 mm 435x580x230 mm 440x708x170 mm vs 435x580x230 mm
Ingress protection IP66 IP66 Same
Cooling natural forced-air natural vs forced-air
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.