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Growatt 1000-S vs SOFAR 1.1KTL2-G3 13 of 21 identical Swap Change inverters

Growatt 1000-S vs SOFAR 1.1KTL2-G3

Growatt
Growatt 1000-S
1 kW 96.5 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SOFAR 1.1KTL2-G3
Sofar Solar
SOFAR 1.1KTL2-G3
1.1 kW 96.7 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SOFAR 1.1KTL2-G3 leads on the differences that matter

The largest is max input current per tracker: 2.0 A more headroom. 13 of 21 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
13 of 21 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 21 parameters
Parameter Growatt 1000-S SOFAR 1.1KTL2-G3 Difference
Max input current per tracker 13.0 A 15.0 A 2.0 A more headroom
Rated AC power 1.00 kW 1.10 kW 0.10 kW apart
Weight per kW 6.4 kg/kW 5.5 kg/kW 0.9 kg/kW lighter
European efficiency 96.5 % 96.7 % 0.2 pp more efficient
Max AC power 1.00 kW 1.10 kW 0.10 kW apart
Max AC current 4.7 A 7.7 A 3.0 A apart
Start voltage 50 V 70 V 20 V earlier start
Dimensions 299x271x141 mm 260x303x118 mm 299x271x141 mm vs 260x303x118 mm
02

Full specification

Parameter Growatt 1000-S SOFAR 1.1KTL2-G3 Difference
AC output
Rated AC power 1.00 kW 1.10 kW 0.10 kW apart
Max AC power 1.00 kW 1.10 kW 0.10 kW apart
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 230 V Same
Max AC current 4.7 A 7.7 A 3.0 A apart
PV input
Max PV power 1.30 kW - Not published by Sofar Solar
DC/AC ratio 1.30 - Not published by Sofar Solar
Max DC voltage 550 V 550 V Same
MPPT voltage range 50-550 V 50-550 V Same
Start voltage 50 V 70 V -20 V for Growatt 1000-S
MPP trackers 1 1 Same
Strings per tracker 1 1 Same
Max input current per tracker 13.0 A 15.0 A +2.0 A for SOFAR 1.1KTL2-G3
Efficiency
European efficiency 96.5 % 96.7 % +0.2 pp for SOFAR 1.1KTL2-G3
Max efficiency 97.4 % 97.3 % Effectively the same
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input - - Neither datasheet publishes this
Battery voltage - - Neither datasheet publishes this
Max charge current - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 6.4 kg 6.0 kg Effectively the same
Weight per kW 6.4 kg/kW 5.5 kg/kW -0.9 kg/kW for SOFAR 1.1KTL2-G3
Dimensions 299x271x141 mm 260x303x118 mm 299x271x141 mm vs 260x303x118 mm
Ingress protection IP65 IP65 Same
Cooling natural natural Same
Noise 25 dB - Not published by Sofar Solar
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes - Not published by Sofar Solar
Arc fault protection - - Neither datasheet publishes this
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.