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Growatt 2500-S vs SB2.5-1VL-40 (Sunny Boy 2.5) 16 of 26 identical Swap Change inverters

Growatt 2500-S vs SMA Solar SB2.5-1VL-40 (Sunny Boy 2.5)

Growatt
Growatt 2500-S
2.5 kW 97.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SMA Solar SB2.5-1VL-40 (Sunny Boy 2.5)
SMA Solar
SB2.5-1VL-40 (Sunny Boy 2.5)
2.5 kW 96.7 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

Growatt 2500-S leads on the differences that matter

The largest is european efficiency: 0.6 pp more efficient. 16 of 26 comparable parameters are identical, with 6 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
16 of 26 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 26 parameters
Parameter Growatt 2500-S SB2.5-1VL-40 (Sunny Boy 2.5) Difference
European efficiency 97.3 % 96.7 % 0.6 pp more efficient
Max DC voltage 550 V 600 V 50 V apart
Max input current per tracker 13.0 A 10.0 A 3.0 A more headroom
Max PV power 3.25 kW 5.00 kW 1.75 kW apart
DC/AC ratio 1.30 2.00 0.70 more oversizing headroom
Max efficiency 97.6 % 97.2 % 0.4 pp more efficient
Start voltage 50 V 80 V 30 V earlier start
MPPT voltage range 50-550 V 160-500 V 50-550 V vs 160-500 V
Max AC current 11.9 A 11.0 A 0.9 A apart
Dimensions 359x271x141 mm 357x460x122 mm 359x271x141 mm vs 357x460x122 mm
02

Full specification

Parameter Growatt 2500-S SB2.5-1VL-40 (Sunny Boy 2.5) 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 11.9 A 11.0 A 0.9 A apart
PV input
Max PV power 3.25 kW 5.00 kW 1.75 kW apart
DC/AC ratio 1.30 2.00 +0.70 for SB2.5-1VL-40 (Sunny Boy 2.5)
Max DC voltage 550 V 600 V 50 V apart
MPPT voltage range 50-550 V 160-500 V 50-550 V vs 160-500 V
Start voltage 50 V 80 V -30 V for Growatt 2500-S
MPP trackers 1 1 Same
Strings per tracker 1 1 Same
Max input current per tracker 13.0 A 10.0 A +3.0 A for Growatt 2500-S
Efficiency
European efficiency 97.3 % 96.7 % +0.6 pp for Growatt 2500-S
Max efficiency 97.6 % 97.2 % +0.4 pp for Growatt 2500-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 9.1 kg 9.2 kg Effectively the same
Weight per kW 3.6 kg/kW 3.7 kg/kW Effectively the same
Dimensions 359x271x141 mm 357x460x122 mm 359x271x141 mm vs 357x460x122 mm
Ingress protection IP65 IP65 Same
Cooling natural natural Same
Noise 25 dB 25 dB Same
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs 5 yrs Same
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.