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Growatt 1500-S vs GW1500-SS 12 of 22 identical Swap Change inverters

Growatt 1500-S vs GoodWe GW1500-SS

Growatt
Growatt 1500-S
1.6 kW 97.0 % euro Grid-tie
Open inverter page Datasheet PDF
VS
GoodWe
GW1500-SS
1.5 kW 97.4 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

10 differences, and they point both ways

The largest is max dc voltage: 50 V apart. 12 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
12 of 22 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 22 parameters
Parameter Growatt 1500-S GW1500-SS Difference
Max DC voltage 550 V 500 V 50 V apart
European efficiency 97.0 % 97.4 % 0.4 pp more efficient
Rated AC power 1.60 kW 1.50 kW 0.10 kW apart
Weight 6.4 kg 12.0 kg 5.6 kg lighter
Weight per kW 4.0 kg/kW 8.0 kg/kW 4.0 kg/kW lighter
Max efficiency 97.4 % 97.8 % 0.4 pp more efficient
Start voltage 50 V 125 V 75 V earlier start
Max PV power 1.95 kW 1.80 kW 0.15 kW apart
MPPT voltage range 50-550 V 125-450 V 50-550 V vs 125-450 V
Dimensions 299x271x141 mm 332x370x148 mm 299x271x141 mm vs 332x370x148 mm
02

Full specification

Parameter Growatt 1500-S GW1500-SS Difference
AC output
Rated AC power 1.60 kW 1.50 kW 0.10 kW apart
Max AC power 1.65 kW 1.65 kW Same
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 230 V Same
Max AC current 7.8 A 8.0 A Effectively the same
PV input
Max PV power 1.95 kW 1.80 kW 0.15 kW apart
DC/AC ratio 1.22 1.20 Effectively the same
Max DC voltage 550 V 500 V 50 V apart
MPPT voltage range 50-550 V 125-450 V 50-550 V vs 125-450 V
Start voltage 50 V 125 V -75 V for Growatt 1500-S
MPP trackers 1 1 Same
Strings per tracker 1 - Not published by GoodWe
Max input current per tracker 13.0 A - Not published by GoodWe
Efficiency
European efficiency 97.0 % 97.4 % +0.4 pp for GW1500-SS
Max efficiency 97.4 % 97.8 % +0.4 pp for GW1500-SS
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 12.0 kg -5.6 kg for Growatt 1500-S
Weight per kW 4.0 kg/kW 8.0 kg/kW -4.0 kg/kW for Growatt 1500-S
Dimensions 299x271x141 mm 332x370x148 mm 299x271x141 mm vs 332x370x148 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 - Not published by GoodWe
Ethernet Yes - Not published by GoodWe
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.