---
title: "Fronius Primo GEN24 4.0 Plus vs Huawei SUN2000L-4KTL - Inverter Comparison | ComparePV"
description: "Compare Fronius Primo GEN24 4.0 Plus vs Huawei SUN2000L-4KTL 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-plus/huawei-sun2000l-4ktl"
updated: 2026-01-16
---

# Fronius Primo GEN24 4.0 Plus vs Huawei SUN2000L-4KTL

SUN2000L-4KTL leads on the differences that matter

The largest is european efficiency: 0.8 pp more efficient. 9 of 24 comparable parameters are identical, with 8 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Fronius Primo GEN24 4.0 Plus](https://comparepv.com/inverter/fronius-international-fronius-primo-gen24-4-0-plus) | [Huawei SUN2000L-4KTL](https://comparepv.com/inverter/huawei-sun2000l-4ktl) |
| Manufacturer | Fronius International | Huawei |
| 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 Plus | SUN2000L-4KTL | Difference |
| --- | --- | --- | --- |
| European efficiency | 97.1 % | 97.9 % | +0.8 pp for SUN2000L-4KTL |
| Max input current per tracker | 22.0 A | 11.0 A | +11.0 A for Fronius Primo GEN24 4.0 Plus |
| Max efficiency | 97.6 % | 98.6 % | +1.0 pp for SUN2000L-4KTL |
| Max AC power | 4.00 kW | 4.40 kW | 0.40 kW apart |
| Max charge current | 22 A | 10 A | +12 A for Fronius Primo GEN24 4.0 Plus |
| Weight | 15.4 kg | 10.6 kg | -4.8 kg for SUN2000L-4KTL |
| Weight per kW | 3.9 kg/kW | 2.6 kg/kW | -1.2 kg/kW for SUN2000L-4KTL |
| Start voltage | 80 V | 120 V | -40 V for Fronius Primo GEN24 4.0 Plus |
| Max AC current | 18.2 A | 20.0 A | 1.8 A apart |
| Ingress protection | IP66 | IP65 | IP66 vs IP65 |
| MPPT voltage range | 65-530 V | 120-480 V | 65-530 V vs 120-480 V |
| Battery voltage | 150-455 V | 350-450 Vdc | 150-455 V vs 350-450 Vdc |
| Strings per tracker | 2 | 1 | 1 string apart |
| Dimensions | 530x474x165 mm | 375x375x162 mm | 530x474x165 mm vs 375x375x162 mm |
| Cooling | forced-air | natural | forced-air vs natural |


## Every compared parameter


| Parameter | Fronius Primo GEN24 4.0 Plus | SUN2000L-4KTL |
| --- | --- | --- |
| Rated AC power | 4.00 kW | 4.00 kW |
| Max AC power | 4.00 kW | 4.40 kW |
| Grid connection | Single-phase | Single-phase |
| Nominal AC voltage | 230 V | 230 V |
| Max AC current | 18.2 A | 20.0 A |
| Max PV power | 4.14 kW | - |
| DC/AC ratio | 1.03 | - |
| Max DC voltage | 600 V | 600 V |
| MPPT voltage range | 65-530 V | 120-480 V |
| Start voltage | 80 V | 120 V |
| MPP trackers | 2 | 2 |
| Strings per tracker | 2 | 1 |
| Max input current per tracker | 22.0 A | 11.0 A |
| European efficiency | 97.1 % | 97.9 % |
| Max efficiency | 97.6 % | 98.6 % |
| CEC efficiency | - | - |
| Battery input | Yes | Yes |
| Battery voltage | 150-455 V | 350-450 Vdc |
| Max charge current | 22 A | 10 A |
| Backup power | - | - |
| Weight | 15.4 kg | 10.6 kg |
| Weight per kW | 3.9 kg/kW | 2.6 kg/kW |
| Dimensions | 530x474x165 mm | 375x375x162 mm |
| Ingress protection | IP66 | IP65 |
| Cooling | forced-air | natural |
| Noise | 42 dB | - |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | Yes | - |
| Arc fault protection | - | - |
| Integrated DC switch | Yes | Yes |
| Warranty | - | - |


## Related comparisons

- [Fronius Primo GEN24 4.0 Plus vs SolarEdge SE4000H](https://comparepv.com/compare-inverters/fronius-international-fronius-primo-gen24-4-0-plus/solaredge-se4000h) - 10 differences, the largest is european efficiency
- [Fronius Primo GEN24 4.0 Plus vs Growatt MOD 4000TL3-HU](https://comparepv.com/compare-inverters/fronius-international-fronius-primo-gen24-4-0-plus/growatt-mod-4000tl3-hu) - 20 differences, the largest is european efficiency
- [Fronius Primo GEN24 4.0 Plus vs Growatt SPM 4000TL-HU](https://comparepv.com/compare-inverters/fronius-international-fronius-primo-gen24-4-0-plus/growatt-spm-4000tl-hu) - 16 differences, the largest is european efficiency
- [Huawei SUN2000L-4KTL vs Growatt MOD 4000TL3-XH](https://comparepv.com/compare-inverters/huawei-sun2000l-4ktl/growatt-mod-4000tl3-xh) - 14 differences, the largest is max dc voltage


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Source: https://comparepv.com/compare-inverters/fronius-international-fronius-primo-gen24-4-0-plus/huawei-sun2000l-4ktl

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