Fronius home batteries
All 4 models from Fronius in our database, with the key figures side by side. Every value comes from an official register or the manufacturer; the source is on the product page.
At a glance
- Usable capacity
- 6.31 to 15.79 kWh
- Nominal capacity
- 6.68 to 16.71 kWh
- Charge power (continuous)
- 6.55 to 16.38 kW
- Discharge power (continuous)
- 6.55 to 16.38 kW
- Round-trip efficiency
- 95 %
- Cell chemistry
- LFP (4)
- Coupling
- DC-coupled (4)
This is an overview by data, not a test or recommendation. Models from other brands with the same technology are in the comparisons and on the category page.
All models
| Model | Usable capacity1 | Charge power (continuous)1 | Round-trip efficiency1 | Cell chemistry1 |
|---|---|---|---|---|
| Reserva 15.8 | 15.79 kWh | 16.38 kW | 95 % | LFP |
| Reserva 12.6 | 12.63 kWh | 12.1 kW | 95 % | LFP |
| Reserva 9.5 | 9.47 kWh | 9.83 kW | 95 % | LFP |
| Reserva 6.3 | 6.31 kWh | 6.55 kW | 95 % | LFP |
Comparisons with Fronius
- E3/DCS10 X COMPACTvsFroniusReserva 12.6
- EnphaseIQ Battery 5P with FlexPhasevsFroniusReserva 6.3
- FroniusReserva 9.5vsSessy2.0 10 kWh
- FroniusReserva 6.3vsSAX PowerHome PLUS 7,7 kWh
- FroniusReserva 12.6vsSessy2.0 10 kWh
- EcoFlowSTREAM ProvsFroniusReserva 15.8
- FroniusReserva 15.8vsGoodWeLX F16.0-H-20
- BYDBattery-Box Premium HVS 12.8vsFroniusReserva 12.6
- FroniusReserva 12.6vsGoodWeLX F12.8-H-20
- FroniusReserva 9.5vsGoodWeLX F9.6-H-20
- FroniusReserva 6.3vsGoodWeLX F6.4-H-20
- BYDBattery-Box Premium HVS 10.2vsFroniusReserva 9.5
Lists featuring Fronius
Other brands
Sources
- The Fronius storage solution, V09 Sep 2026 — Fronius International GmbH · accessed Sep 29, 2026