Fronius Primo GEN24 4.0 vs Huawei SUN2000-4KTL-M1
AC power: Fronius Primo GEN24 4.0 4 kW, Huawei SUN2000-4KTL-M1 4 kW. The Huawei SUN2000-4KTL-M1 is better on 4 of 12 comparable points.
Who wins where
- Fronius Primo GEN24 4.0
- Huawei SUN2000-4KTL-M1
Biggest differences
| Fact | Primo GEN24 4.0 | SUN2000-4KTL-M1 |
|---|---|---|
| MPPT voltage max. | 530 V | 980 V |
| Max. input current per MPPT | 22 A | 13.5 A |
| MPPT voltage min. | 210 V | 140 V |
| Weight | 15.4 kg | 17 kg |
Score per area = position (0–100) relative to all 238 models in this category; higher is better.
| Technical specifications | FroniusPrimo GEN24 4.0 | HuaweiSUN2000-4KTL-M1 |
|---|---|---|
| Performance | ||
| AC power | 4 kW 1 | 4 kW 2 |
| Max. PV array power | 6 kWp 3 | 6 kWp 2 |
| MPP trackers | 2 3 | 2 2 |
| Efficiency | ||
| Max. efficiency | 97.6 % 3 | 98.3 % ✓ 2 |
| European efficiency | 97.1 % 3 | 97.1 % 2 |
| Noise | ||
| Noise | 42 dB(A) 3 | – |
| Electrical | ||
| MPPT voltage min. | 210 V 3 | 140 V ✓ 2 |
| MPPT voltage max. | 530 V 3 | 980 V ✓ 2 |
| Max. input current per MPPT | 22 A ✓ 3 | 13.5 A 2 |
| Phases | 1 1 | 3 2 |
| Connectivity & smart | ||
| Hybrid (battery-ready) | No 1 | Yes ✓ 2 |
| Backup power | Yes 3 | Yes 2 |
| Wi-Fi / monitoring | Yes 3 | Yes 2 |
| Dimensions & weight | ||
| IP rating | IP66 3 | IP65 2 |
| Width | 474 mm 3 | 525 mm 2 |
| Height | 530 mm 3 | 470 mm 2 |
| Depth | 165 mm 3 | 146.5 mm 2 |
| Weight | 15.4 kg ✓ 3 | 17 kg 2 |
Sources
- ENA Type Test Register (inverters) — Energy Networks Association (ENA) · accessed 27 Sept 2026
- SUN2000-3/4/5/6/8/10KTL-M1 (High Current Version) – datasheet, 03-202403 — Huawei Digital Power Technologies Co., Ltd. · accessed 27 Sept 2026
- Fronius Primo GEN24 & GEN24 Plus 3.0 - 6.0 kW – datasheet, EN V04 (June 2025) — Fronius International GmbH · accessed 27 Sept 2026