Fronius Reserva 6.3 vs GoodWe LX F6.4-H-20
Usable capacity: Fronius Reserva 6.3 6.31 kWh, GoodWe LX F6.4-H-20 6.4 kWh. The Fronius Reserva 6.3 is better on 3 of 7 comparable points.
Who wins where
- Fronius Reserva 6.3
- GoodWe LX F6.4-H-20
Biggest differences
| Fact | Reserva 6.3 | LX F6.4-H-20 |
|---|---|---|
| Charge power (continuous) | 6.55 kW | 4.48 kW |
| Discharge power (continuous) | 6.55 kW | 4.48 kW |
| Nominal capacity | 6.68 kWh | 6.4 kWh |
Score per area = position (0–100) relative to all 130 models in this category; higher is better.
| Technical specifications | FroniusReserva 6.3 | GoodWeLX F6.4-H-20 |
|---|---|---|
| General | ||
| Cell chemistry | LFP 1 | LFP 2 |
| Performance | ||
| Usable capacity | 6.31 kWh 1 | 6.4 kWh ✓ 2 |
| Nominal capacity | 6.68 kWh ✓ 3 | 6.4 kWh 3 |
| Expandable up to | – | 230 kWh 2 |
| Charge power (continuous) | 6.55 kW ✓ 1 | 4.48 kW 2 |
| Discharge power (continuous) | 6.55 kW ✓ 1 | 4.48 kW 2 |
| Efficiency | ||
| Round-trip efficiency | 95 % 1 | – |
| Depth of discharge | – | 100 % 2 |
| Electrical | ||
| Coupling | DC-coupled 1 | – |
| Backup power | Yes 1 | Yes 2 |
| Dimensions & weight | ||
| IP rating | IP65 1 | IP55 2 |
| Min. operating temperature | -20 °C 1 | -20 °C 2 |
| Width | 772 mm 1 | 600 mm 2 |
| Height | 890 mm 1 | 559 mm 2 |
| Depth | 176 mm 1 | 380 mm 2 |
| Weight | 86.5 kg 1 | 86 kg ✓ 2 |
| Warranty & lifespan | ||
| Warranted cycles | 6,000 1 | – |
| Warranty | 10 years 1 | – |
Sources
- The Fronius storage solution, V09 Sep 2026 — Fronius International GmbH · accessed 29 Sept 2026
- Lynx F G2 Series, GoodWe-Single page-20250124-EN-V2.1 — GoodWe · accessed 29 Sept 2026
- CEC approved solar batteries (Australia) — Clean Energy Regulator (Australian Government), CC BY 4.0 · accessed 29 Sept 2026