Batteries & storage

Reserva

Name: Fronius Reserva
Brand: Fronius

Fronius

Fronius Reserva is a high-voltage LFP home battery family with 6.31 to 15.79kWh usable capacity per tower, DC coupling, IP65 protection and support for up to four batteries in parallel.

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Model details

Key information for this model.

Use the verified specifications below as a research starting point, then confirm the exact regional version on the manufacturer page before buying.

Usable capacity6.31 / 9.47 / 12.63 / 15.79 kWh

Battery modules2 to 5 per tower

Cell chemistryLithium iron phosphate (LFP)

Parallel operationUp to 4 batteries

Maximum output current32 A (limited by inverter)

Protection classIP65

Ambient temperature-20 to +55°C

Compatible inverter classFronius hybrid inverter; Symo Hybrid excluded by manufacturer note

Best for

Where it fits.

Fronius solar-plus-storage projects where a compatible Fronius hybrid inverter, DC-coupled storage and modular 6.3–15.8kWh tower sizing fit the site.

Watch for

Limits to check.

Compatibility is inverter- and configuration-specific. Fronius lists compatible hybrid inverters but excludes the older Fronius Symo Hybrid; local electrical approvals, backup design and exact battery/inverter pairing must be checked before purchase.

Warranty

Coverage note.

Fronius publishes product-specific warranty terms and states Reserva retains at least 80% usable energy after ten years from warranty start under applicable conditions; confirm the current regional warranty document for the supplied system.

Next checks

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Official product information

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Source & buying note

Confirm the exact regional model before buying.

Manufacturer pages, regional SKUs and specifications can change. Use the source links below to confirm the exact model and local version before placing an order.

Information checked: 2026-08-31

Market note: Europe / other markets subject to local availability and inverter approval

Official product: Open manufacturer page ↗