---
title: "GoodWe GW2500-XS vs SMA Solar SB2.5-1VL-40 (Sunny Boy 2.5) - Inverter Comparison | ComparePV"
description: "Compare GoodWe GW2500-XS vs SMA Solar SB2.5-1VL-40 (Sunny Boy 2.5) side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/goodwe-gw2500-xs/sma-solar-sb2-5-1vl-40-sunny-boy-2-5"
updated: 2026-01-16
---

# GoodWe GW2500-XS vs SMA Solar SB2.5-1VL-40 (Sunny Boy 2.5)

GW2500-XS leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 11 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 GW2500-XS](https://comparepv.com/inverter/goodwe-gw2500-xs) | [SMA Solar SB2.5-1VL-40 (Sunny Boy 2.5)](https://comparepv.com/inverter/sma-solar-sb2-5-1vl-40-sunny-boy-2-5) |
| Manufacturer | GoodWe | SMA Solar |
| Rated AC power | 2.5 kW | 2.5 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

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


| Parameter | GW2500-XS | SB2.5-1VL-40 (Sunny Boy 2.5) | Difference |
| --- | --- | --- | --- |
| European efficiency | 97.2 % | 96.7 % | +0.5 pp for GW2500-XS |
| Max DC voltage | 500 V | 600 V | 100 V apart |
| Max input current per tracker | 12.5 A | 10.0 A | +2.5 A for GW2500-XS |
| Max AC power | 2.75 kW | 2.50 kW | 0.25 kW apart |
| Weight | 5.8 kg | 9.2 kg | -3.4 kg for GW2500-XS |
| Weight per kW | 2.3 kg/kW | 3.7 kg/kW | -1.4 kg/kW for GW2500-XS |
| Max efficiency | 97.6 % | 97.2 % | +0.4 pp for GW2500-XS |
| Start voltage | 40 V | 80 V | -40 V for GW2500-XS |
| Max AC current | 12.0 A | 11.0 A | 1.0 A apart |
| MPPT voltage range | 40-450 V | 160-500 V | 40-450 V vs 160-500 V |
| Dimensions | 230x295x113 mm | 357x460x122 mm | 230x295x113 mm vs 357x460x122 mm |


## Every compared parameter


| Parameter | GW2500-XS | SB2.5-1VL-40 (Sunny Boy 2.5) |
| --- | --- | --- |
| Rated AC power | 2.50 kW | 2.50 kW |
| Max AC power | 2.75 kW | 2.50 kW |
| Grid connection | Single-phase | Single-phase |
| Nominal AC voltage | 230 V | 230 V |
| Max AC current | 12.0 A | 11.0 A |
| Max PV power | - | 5.00 kW |
| DC/AC ratio | - | 2.00 |
| Max DC voltage | 500 V | 600 V |
| MPPT voltage range | 40-450 V | 160-500 V |
| Start voltage | 40 V | 80 V |
| MPP trackers | 1 | 1 |
| Strings per tracker | 1 | 1 |
| Max input current per tracker | 12.5 A | 10.0 A |
| European efficiency | 97.2 % | 96.7 % |
| Max efficiency | 97.6 % | 97.2 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 5.8 kg | 9.2 kg |
| Weight per kW | 2.3 kg/kW | 3.7 kg/kW |
| Dimensions | 230x295x113 mm | 357x460x122 mm |
| Ingress protection | IP65 | IP65 |
| Cooling | natural | natural |
| Noise | - | 25 dB |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | Yes | Yes |
| Arc fault protection | - | - |
| Integrated DC switch | Yes | Yes |
| Warranty | - | 5 yrs |


## Related comparisons

- [GoodWe GW2500-XS vs Growatt 2500-S](https://comparepv.com/compare-inverters/goodwe-gw2500-xs/growatt-growatt-2500-s) - 8 differences, the largest is max dc voltage
- [GoodWe GW2500-XS vs Sungrow SG2.5RS-S](https://comparepv.com/compare-inverters/goodwe-gw2500-xs/sungrow-sg2-5rs-s) - 8 differences, the largest is max dc voltage
- [GoodWe GW2500-XS vs Growatt MIN 2500TL-X](https://comparepv.com/compare-inverters/goodwe-gw2500-xs/growatt-min-2500tl-x) - 9 differences, the largest is max efficiency


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Source: https://comparepv.com/compare-inverters/goodwe-gw2500-xs/sma-solar-sb2-5-1vl-40-sunny-boy-2-5

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