---
title: "Fronius Primo GEN24 4.0 vs Growatt SPM 4000TL-HU - Inverter Comparison | ComparePV"
description: "Compare Fronius Primo GEN24 4.0 vs Growatt SPM 4000TL-HU side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/fronius-international-fronius-primo-gen24-4-0/growatt-spm-4000tl-hu"
updated: 2026-01-16
---

# Fronius Primo GEN24 4.0 vs Growatt SPM 4000TL-HU

SPM 4000TL-HU leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 11 of 27 comparable parameters are identical, with 5 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Fronius Primo GEN24 4.0](https://comparepv.com/inverter/fronius-international-fronius-primo-gen24-4-0) | [Growatt SPM 4000TL-HU](https://comparepv.com/inverter/growatt-spm-4000tl-hu) |
| Manufacturer | Fronius International | Growatt |
| Rated AC power | 4 kW | 4 kW |
| Type | Hybrid | Hybrid |


## Where they differ

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


| Parameter | Fronius Primo GEN24 4.0 | SPM 4000TL-HU | Difference |
| --- | --- | --- | --- |
| European efficiency | 97.1 % | 97.6 % | +0.5 pp for SPM 4000TL-HU |
| Max PV power | 4.14 kW | 6.00 kW | 1.86 kW apart |
| DC/AC ratio | 1.03 | 1.50 | +0.47 for SPM 4000TL-HU |
| Max charge current | 22 A | 140 A | +118 A for SPM 4000TL-HU |
| Weight | 15.4 kg | 26.0 kg | -10.6 kg for Fronius Primo GEN24 4.0 |
| Weight per kW | 3.9 kg/kW | 6.5 kg/kW | -2.6 kg/kW for Fronius Primo GEN24 4.0 |
| Noise | 42 dB | 30 dB | -12 dB for SPM 4000TL-HU |
| Max efficiency | 97.6 % | 98.1 % | +0.5 pp for SPM 4000TL-HU |
| Start voltage | 80 V | 130 V | -50 V for Fronius Primo GEN24 4.0 |
| Ingress protection | IP66 | IP65 | IP66 vs IP65 |
| MPPT voltage range | 65-530 V | 150-550 V | 65-530 V vs 150-550 V |
| Battery voltage | 150-455 V | 40-60V | 150-455 V vs 40-60V |
| Max AC current | 18.2 A | 17.4 A | 0.8 A apart |
| Strings per tracker | 2 | 1 | 1 string apart |
| Dimensions | 530x474x165 mm | 330x580x230 mm | 530x474x165 mm vs 330x580x230 mm |
| Cooling | forced-air | natural | forced-air vs natural |


## Every compared parameter


| Parameter | Fronius Primo GEN24 4.0 | SPM 4000TL-HU |
| --- | --- | --- |
| Rated AC power | 4.00 kW | 4.00 kW |
| Max AC power | 4.00 kW | 4.00 kW |
| Grid connection | Single-phase | Single-phase |
| Nominal AC voltage | 230 V | 230 V |
| Max AC current | 18.2 A | 17.4 A |
| Max PV power | 4.14 kW | 6.00 kW |
| DC/AC ratio | 1.03 | 1.50 |
| Max DC voltage | 600 V | 600 V |
| MPPT voltage range | 65-530 V | 150-550 V |
| Start voltage | 80 V | 130 V |
| MPP trackers | 2 | 2 |
| Strings per tracker | 2 | 1 |
| Max input current per tracker | 22.0 A | 22.0 A |
| European efficiency | 97.1 % | 97.6 % |
| Max efficiency | 97.6 % | 98.1 % |
| CEC efficiency | - | - |
| Battery input | Yes | Yes |
| Battery voltage | 150-455 V | 40-60V |
| Max charge current | 22 A | 140 A |
| Backup power | - | - |
| Weight | 15.4 kg | 26.0 kg |
| Weight per kW | 3.9 kg/kW | 6.5 kg/kW |
| Dimensions | 530x474x165 mm | 330x580x230 mm |
| Ingress protection | IP66 | IP65 |
| Cooling | forced-air | natural |
| Noise | 42 dB | 30 dB |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | Yes | Yes |
| Arc fault protection | - | - |
| Integrated DC switch | Yes | - |
| Warranty | - | 5 yrs |


## Related comparisons

- [Fronius Primo GEN24 4.0 vs SolarEdge SE4000H](https://comparepv.com/compare-inverters/fronius-international-fronius-primo-gen24-4-0/solaredge-se4000h) - 10 differences, the largest is european efficiency
- [Fronius Primo GEN24 4.0 vs Huawei SUN2000L-4KTL](https://comparepv.com/compare-inverters/fronius-international-fronius-primo-gen24-4-0/huawei-sun2000l-4ktl) - 15 differences, the largest is european efficiency
- [Fronius Primo GEN24 4.0 vs Growatt MOD 4000TL3-HU](https://comparepv.com/compare-inverters/fronius-international-fronius-primo-gen24-4-0/growatt-mod-4000tl3-hu) - 20 differences, the largest is european efficiency
- [Growatt SPM 4000TL-HU vs Growatt MOD 4000TL3-XH](https://comparepv.com/compare-inverters/growatt-spm-4000tl-hu/growatt-mod-4000tl3-xh) - 16 differences, the largest is max dc voltage


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Source: https://comparepv.com/compare-inverters/fronius-international-fronius-primo-gen24-4-0/growatt-spm-4000tl-hu

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