---
title: "GoodWe GW2000-SS vs SMA Solar SB2.0-1VL-40 (Sunny Boy 2.0) - Inverter Comparison | ComparePV"
description: "Compare GoodWe GW2000-SS vs SMA Solar SB2.0-1VL-40 (Sunny Boy 2.0) side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/goodwe-gw2000-ss/sma-solar-sb2-0-1vl-40-sunny-boy-2-0"
updated: 2026-01-16
---

# GoodWe GW2000-SS vs SMA Solar SB2.0-1VL-40 (Sunny Boy 2.0)

12 differences, and they point both ways

The largest is european efficiency: 1.0 pp more efficient. 10 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [GoodWe GW2000-SS](https://comparepv.com/inverter/goodwe-gw2000-ss) | [SMA Solar SB2.0-1VL-40 (Sunny Boy 2.0)](https://comparepv.com/inverter/sma-solar-sb2-0-1vl-40-sunny-boy-2-0) |
| Manufacturer | GoodWe | SMA Solar |
| Rated AC power | 2 kW | 2 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

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


| Parameter | GW2000-SS | SB2.0-1VL-40 (Sunny Boy 2.0) | Difference |
| --- | --- | --- | --- |
| European efficiency | 97.4 % | 96.4 % | +1.0 pp for GW2000-SS |
| Max DC voltage | 500 V | 600 V | 100 V apart |
| Max efficiency | 97.8 % | 97.2 % | +0.6 pp for GW2000-SS |
| Max AC power | 2.20 kW | 2.00 kW | 0.20 kW apart |
| Max PV power | 2.50 kW | 4.00 kW | 1.50 kW apart |
| DC/AC ratio | 1.25 | 2.00 | +0.75 for SB2.0-1VL-40 (Sunny Boy 2.0) |
| Weight | 12.0 kg | 9.2 kg | -2.8 kg for SB2.0-1VL-40 (Sunny Boy 2.0) |
| Weight per kW | 6.0 kg/kW | 4.6 kg/kW | -1.4 kg/kW for SB2.0-1VL-40 (Sunny Boy 2.0) |
| Start voltage | 125 V | 80 V | -45 V for SB2.0-1VL-40 (Sunny Boy 2.0) |
| Max AC current | 10.0 A | 9.0 A | 1.0 A apart |
| MPPT voltage range | 125-450 V | 160-500 V | 125-450 V vs 160-500 V |
| Dimensions | 332x370x148 mm | 357x460x122 mm | 332x370x148 mm vs 357x460x122 mm |


## Every compared parameter


| Parameter | GW2000-SS | SB2.0-1VL-40 (Sunny Boy 2.0) |
| --- | --- | --- |
| Rated AC power | 2.00 kW | 2.00 kW |
| Max AC power | 2.20 kW | 2.00 kW |
| Grid connection | Single-phase | Single-phase |
| Nominal AC voltage | 230 V | 230 V |
| Max AC current | 10.0 A | 9.0 A |
| Max PV power | 2.50 kW | 4.00 kW |
| DC/AC ratio | 1.25 | 2.00 |
| Max DC voltage | 500 V | 600 V |
| MPPT voltage range | 125-450 V | 160-500 V |
| Start voltage | 125 V | 80 V |
| MPP trackers | 1 | 1 |
| Strings per tracker | - | 1 |
| Max input current per tracker | - | 10.0 A |
| European efficiency | 97.4 % | 96.4 % |
| Max efficiency | 97.8 % | 97.2 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 12.0 kg | 9.2 kg |
| Weight per kW | 6.0 kg/kW | 4.6 kg/kW |
| Dimensions | 332x370x148 mm | 357x460x122 mm |
| Ingress protection | IP65 | IP65 |
| Cooling | natural | natural |
| Noise | 25 dB | 25 dB |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | - | Yes |
| Ethernet | - | Yes |
| Arc fault protection | - | - |
| Integrated DC switch | Yes | Yes |
| Warranty | 5 yrs | 5 yrs |


## Related comparisons

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Source: https://comparepv.com/compare-inverters/goodwe-gw2000-ss/sma-solar-sb2-0-1vl-40-sunny-boy-2-0

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