---
title: "Growatt NEO 1800M-X2 vs Sungrow S1600S - Inverter Comparison | ComparePV"
description: "Compare Growatt NEO 1800M-X2 vs Sungrow S1600S side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/growatt-neo-1800m-x2/sungrow-s1600s"
updated: 2026-01-16
---

# Growatt NEO 1800M-X2 vs Sungrow S1600S

NEO 1800M-X2 leads on the differences that matter

The largest is rated ac power: 0.20 kW apart. 9 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Growatt NEO 1800M-X2](https://comparepv.com/inverter/growatt-neo-1800m-x2) | [Sungrow S1600S](https://comparepv.com/inverter/sungrow-s1600s) |
| Manufacturer | Growatt | Sungrow |
| Rated AC power | 1.8 kW | 1.6 kW |
| Type | Microinverter | Microinverter |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | NEO 1800M-X2 | S1600S | Difference |
| --- | --- | --- | --- |
| Rated AC power | 1.80 kW | 1.60 kW | 0.20 kW apart |
| Max input current per tracker | 18.0 A | 16.0 A | +2.0 A for NEO 1800M-X2 |
| Weight | 5.1 kg | 7.5 kg | -2.4 kg for NEO 1800M-X2 |
| Weight per kW | 2.8 kg/kW | 4.7 kg/kW | -1.9 kg/kW for NEO 1800M-X2 |
| Max AC power | 1.80 kW | 1.60 kW | 0.20 kW apart |
| Max efficiency | 96.5 % | 96.2 % | +0.3 pp for NEO 1800M-X2 |
| MPPT voltage range | 16-55 V | 16-60 V | 16-55 V vs 16-60 V |
| Max AC current | 8.2 A | 7.3 A | 0.9 A apart |
| Dimensions | 270x396x45 mm | 271x361x55 mm | 270x396x45 mm vs 271x361x55 mm |


## Every compared parameter


| Parameter | NEO 1800M-X2 | S1600S |
| --- | --- | --- |
| Rated AC power | 1.80 kW | 1.60 kW |
| Max AC power | 1.80 kW | 1.60 kW |
| Grid connection | Single-phase | Single-phase |
| Nominal AC voltage | 230 V | 230 V |
| Max AC current | 8.2 A | 7.3 A |
| Max PV power | - | - |
| DC/AC ratio | - | - |
| Max DC voltage | 60 V | 60 V |
| MPPT voltage range | 16-55 V | 16-60 V |
| Start voltage | 20 V | 22 V |
| MPP trackers | 4 | - |
| Strings per tracker | 1 | 1 |
| Max input current per tracker | 18.0 A | 16.0 A |
| European efficiency | - | 95.4 % |
| Max efficiency | 96.5 % | 96.2 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 5.1 kg | 7.5 kg |
| Weight per kW | 2.8 kg/kW | 4.7 kg/kW |
| Dimensions | 270x396x45 mm | 271x361x55 mm |
| Ingress protection | IP67 | IP67 |
| Cooling | natural | natural |
| Noise | 25 dB | - |
| Max operating temperature | 65 °C | 65 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | - | - |
| Arc fault protection | - | - |
| Integrated DC switch | - | - |
| Warranty | 12 yrs | - |


## Related comparisons

- [Growatt NEO 1800M-X2 vs GoodWe GW1800-MIS](https://comparepv.com/compare-inverters/growatt-neo-1800m-x2/goodwe-gw1800-mis) - 4 differences, the largest is max input current per tracker
- [Growatt NEO 1800M-X2 vs Deye SUN1800G3-EU-230](https://comparepv.com/compare-inverters/growatt-neo-1800m-x2/deye-sun1800g3-eu-230) - 5 differences, the largest is max input current per tracker
- [Growatt NEO 1800M-X2 vs Sungrow S2000S-SA](https://comparepv.com/compare-inverters/growatt-neo-1800m-x2/sungrow-s2000s-sa) - 9 differences, the largest is rated ac power
- [Sungrow S1600S vs Growatt NEO 1600M-X2](https://comparepv.com/compare-inverters/sungrow-s1600s/growatt-neo-1600m-x2) - 6 differences, the largest is max input current per tracker
- [Sungrow S1600S vs GoodWe GW1600-MIS](https://comparepv.com/compare-inverters/sungrow-s1600s/goodwe-gw1600-mis) - 4 differences, the largest is weight
- [Sungrow S1600S vs Deye SUN1600G3-EU-230](https://comparepv.com/compare-inverters/sungrow-s1600s/deye-sun1600g3-eu-230) - 7 differences, the largest is max input current per tracker


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Source: https://comparepv.com/compare-inverters/growatt-neo-1800m-x2/sungrow-s1600s

Not in this file, on the page: a written summary generated on request.