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SG2.5RS-S vs Growatt 2500-S 14 of 24 identical Swap Change inverters

Sungrow SG2.5RS-S vs Growatt 2500-S

Sungrow SG2.5RS-S
Sungrow
SG2.5RS-S
2.5 kW 97.2 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt
Growatt 2500-S
2.5 kW 97.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

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

The largest is max dc voltage: 50 V apart. 14 of 24 comparable parameters are identical, with 8 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
14 of 24 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 24 parameters
Parameter SG2.5RS-S Growatt 2500-S Difference
Max DC voltage 600 V 550 V 50 V apart
Max input current per tracker 16.0 A 13.0 A 3.0 A more headroom
Max PV power 3.75 kW 3.25 kW 0.50 kW apart
Weight 6.0 kg 9.1 kg 3.1 kg lighter
Weight per kW 2.4 kg/kW 3.6 kg/kW 1.2 kg/kW lighter
DC/AC ratio 1.50 1.30 0.20 more oversizing headroom
Max efficiency 97.8 % 97.6 % 0.2 pp more efficient
MPPT voltage range 40-560 V 50-550 V 40-560 V vs 50-550 V
Max AC current 11.4 A 11.9 A 0.5 A apart
Dimensions 225x320x120 mm 359x271x141 mm 225x320x120 mm vs 359x271x141 mm
02

Full specification

Parameter SG2.5RS-S Growatt 2500-S Difference
AC output
Rated AC power 2.50 kW 2.50 kW Same
Max AC power 2.50 kW 2.50 kW Same
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 230 V Same
Max AC current 11.4 A 11.9 A 0.5 A apart
PV input
Max PV power 3.75 kW 3.25 kW 0.50 kW apart
DC/AC ratio 1.50 1.30 +0.20 for SG2.5RS-S
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 50 V Same
MPP trackers 1 1 Same
Strings per tracker 1 1 Same
Max input current per tracker 16.0 A 13.0 A +3.0 A for SG2.5RS-S
Efficiency
European efficiency 97.2 % 97.3 % Effectively the same
Max efficiency 97.8 % 97.6 % +0.2 pp for SG2.5RS-S
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 9.1 kg -3.1 kg for SG2.5RS-S
Weight per kW 2.4 kg/kW 3.6 kg/kW -1.2 kg/kW for SG2.5RS-S
Dimensions 225x320x120 mm 359x271x141 mm 225x320x120 mm vs 359x271x141 mm
Ingress protection IP65 IP65 Same
Cooling natural natural Same
Noise - 25 dB Not published by Sungrow
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes - Not published by Growatt
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Sungrow
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.