Fronius Symo 3.7-3-S vs Huawei SUN2000-3.68KTL-L1
AC power: Fronius Symo 3.7-3-S 3.7 kW, Huawei SUN2000-3.68KTL-L1 3.68 kW. The Huawei SUN2000-3.68KTL-L1 is better on 5 of 10 comparable points.
Who wins where
- Fronius Symo 3.7-3-S
- Huawei SUN2000-3.68KTL-L1
Biggest differences
| Fact | Symo 3.7-3-S | SUN2000-3.68KTL-L1 |
|---|---|---|
| MPP trackers | 1 | 2 |
| MPPT voltage min. | 150 V | 90 V |
| MPPT voltage max. | 800 V | 560 V |
| Max. PV array power | 7.4 kWp | 5.52 kWp |
| Weight | 16 kg | 12 kg |
| Max. input current per MPPT | 16 A | 12.5 A |
Score per area = position (0–100) relative to all 238 models in this category; higher is better.
| Technical specifications | FroniusSymo 3.7-3-S | HuaweiSUN2000-3.68KTL-L1 |
|---|---|---|
| Performance | ||
| AC power | 3.7 kW ✓ 1 | 3.68 kW 2 |
| Max. PV array power | 7.4 kWp ✓ 1 | 5.52 kWp 3 |
| MPP trackers | 1 1 | 2 ✓ 3 |
| Efficiency | ||
| Max. efficiency | 98 % 1 | 98.4 % ✓ 3 |
| European efficiency | 96.7 % 1 | 97.3 % ✓ 3 |
| Electrical | ||
| MPPT voltage min. | 150 V 1 | 90 V ✓ 3 |
| MPPT voltage max. | 800 V ✓ 1 | 560 V 3 |
| Max. input current per MPPT | 16 A ✓ 1 | 12.5 A 3 |
| Phases | 3 1 | 1 2 |
| Connectivity & smart | ||
| Hybrid (battery-ready) | – | No 2 |
| Backup power | – | Yes 3 |
| Wi-Fi / monitoring | Yes 1 | Yes 3 |
| Dimensions & weight | ||
| IP rating | – | IP65 3 |
| Width | 431 mm 1 | 365 mm 3 |
| Height | 645 mm 1 | 375 mm 3 |
| Depth | 204 mm 1 | 156 mm 3 |
| Weight | 16 kg 1 | 12 kg ✓ 3 |
Sources
- FRONIUS SYMO, M,06,0092,EN v27 Dec 2022 — Fronius · accessed 2 Oct 2026
- ENA Type Test Register (inverters) — Energy Networks Association (ENA) · accessed 27 Sept 2026
- SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 – datasheet, 01-202509 — Huawei Digital Power Technologies Co., Ltd. · accessed 27 Sept 2026