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SG2.5RS-S vs SOFAR 2.7KTL2-G3 12 of 21 identical Swap Change inverters

Sungrow SG2.5RS-S vs SOFAR 2.7KTL2-G3

Sungrow SG2.5RS-S
Sungrow
SG2.5RS-S
2.5 kW 97.2 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SOFAR 2.7KTL2-G3
Sofar Solar
SOFAR 2.7KTL2-G3
2.7 kW 97.2 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG2.5RS-S leads on the differences that matter

The largest is rated ac power: 0.20 kW apart. 12 of 21 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
12 of 21 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 21 parameters
Parameter SG2.5RS-S SOFAR 2.7KTL2-G3 Difference
Rated AC power 2.50 kW 2.70 kW 0.20 kW apart
Max DC voltage 600 V 550 V 50 V apart
Max AC power 2.50 kW 2.70 kW 0.20 kW apart
Max input current per tracker 16.0 A 15.0 A 1.0 A more headroom
Max AC current 11.4 A 14.5 A 3.1 A apart
Weight 6.0 kg 7.0 kg 1.0 kg lighter
MPPT voltage range 40-560 V 50-550 V 40-560 V vs 50-550 V
Start voltage 50 V 70 V 20 V earlier start
Dimensions 225x320x120 mm 260x321x132 mm 225x320x120 mm vs 260x321x132 mm
02

Full specification

Parameter SG2.5RS-S SOFAR 2.7KTL2-G3 Difference
AC output
Rated AC power 2.50 kW 2.70 kW 0.20 kW apart
Max AC power 2.50 kW 2.70 kW 0.20 kW apart
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 230 V Same
Max AC current 11.4 A 14.5 A 3.1 A apart
PV input
Max PV power 3.75 kW - Not published by Sofar Solar
DC/AC ratio 1.50 - Not published by Sofar Solar
Max DC voltage 600 V 550 V 50 V apart
MPPT voltage range 40-560 V 50-550 V 40-560 V vs 50-550 V
Start voltage 50 V 70 V -20 V for SG2.5RS-S
MPP trackers 1 1 Same
Strings per tracker 1 1 Same
Max input current per tracker 16.0 A 15.0 A +1.0 A for SG2.5RS-S
Efficiency
European efficiency 97.2 % 97.2 % Same
Max efficiency 97.8 % 97.7 % 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 6.0 kg 7.0 kg -1.0 kg for SG2.5RS-S
Weight per kW 2.4 kg/kW 2.6 kg/kW Effectively the same
Dimensions 225x320x120 mm 260x321x132 mm 225x320x120 mm vs 260x321x132 mm
Ingress protection IP65 IP65 Same
Cooling natural natural Same
Noise - - Neither datasheet publishes this
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 Yes - Not published by Sofar Solar
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

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3 differences, the largest is max input current per tracker
04

Written summary

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