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1800M-X2 vs 1600M-X2 17 of 21 identical Swap Change inverters

Growatt NEO 1800M-X2 vs Growatt NEO 1600M-X2

Growatt NEO 1800M-X2
Growatt
NEO 1800M-X2
1.8 kW Microinverter
Open inverter page Datasheet PDF
VS
Growatt NEO 1600M-X2
Growatt
NEO 1600M-X2
1.6 kW Microinverter
Open inverter page Datasheet PDF
The verdict

1800M-X2 leads on the differences that matter

The largest is rated ac power: 0.20 kW apart. 17 of 21 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.

See all 4 differences
How alike are they
17 of 21 comparable
parameters are identical
identical differs not published
01

What actually differs

4 of 21 parameters
Parameter 1800M-X2 1600M-X2 Difference
Rated AC power 1.80 kW 1.60 kW 0.20 kW apart
Max AC power 1.80 kW 1.60 kW 0.20 kW apart
Weight per kW 2.8 kg/kW 3.2 kg/kW 0.4 kg/kW lighter
Max AC current 8.2 A 7.3 A 0.9 A apart
02

Full specification

Parameter 1800M-X2 1600M-X2 Difference
AC output
Rated AC power 1.80 kW 1.60 kW 0.20 kW apart
Max AC power 1.80 kW 1.60 kW 0.20 kW apart
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 230 V Same
Max AC current 8.2 A 7.3 A 0.9 A apart
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 60 V 60 V Same
MPPT voltage range 16-55 V 16-55 V Same
Start voltage 20 V 20 V Same
MPP trackers 4 4 Same
Strings per tracker 1 1 Same
Max input current per tracker 18.0 A 18.0 A Same
Efficiency
European efficiency - - Neither datasheet publishes this
Max efficiency 96.5 % 96.5 % 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 5.1 kg 5.1 kg Same
Weight per kW 2.8 kg/kW 3.2 kg/kW -0.4 kg/kW for 1800M-X2
Dimensions 270x396x45 mm 270x396x45 mm Same
Ingress protection IP67 IP67 Same
Cooling natural natural Same
Noise 25 dB 25 dB Same
Max operating temperature 65 °C 65 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch - - Neither datasheet publishes this
Warranty
Warranty 12 yrs 12 yrs Same
03

More useful comparisons

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Growatt NEO 1800M-X2 vs Deye SUN1800G3-EU-230
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Growatt NEO 1600M-X2 vs Sungrow S1600S
6 differences, the largest is max input current per tracker
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GoodWe
Growatt NEO 1600M-X2 vs GoodWe GW1600-MIS
4 differences, the largest is max input current per tracker
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Deye
Growatt NEO 1600M-X2 vs Deye SUN1600G3-EU-230
5 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.