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The Fronius Reserva Pro 3.98 kWh battery module offers a usable energy of 3.98 kWh. The device utilizes stable lithium iron phosphate cell chemistry, allows for flexible indoor and outdoor installation, and is covered by a 10-year manufacturer's warranty.
The Fronius Reserva Pro 3.98 kWh battery module is a component designed for building systems that store generated electricity. This energy storage works directly with Fronius Primo GEN24 Plus, Symo GEN24 Plus, and Verto Plus inverters. The use of lithium iron phosphate (LFP) cells translates into stable operating parameters and safety during long-term operation. The enclosure design allows for installation both indoors and in protected outdoor areas.
| Usable energy | 3.98 kWh |
| Nominal voltage | 70.84 V |
| Voltage range | 55 ~ 80.3 V |
| Cell chemistry | Lithium iron phosphate (LFP) |
| Dimensions | 160 × 570 × 440 mm |
| Weight | 36 kg |
| Max. operating altitude | IP65 |
| Ambient temperature | -20 to +50 °C |
| Warranty | 10 years (80% SOH) |
| Compatible inverters | Fronius Primo GEN24 Plus, Symo GEN24 Plus & Verto Plus |
| Installation | Indoors and in protected outdoor areas |
| Certificates | VDE2510-50 / IEC62619 / IEC62040-1 / CE / RCM / UN38.3 |
| Length | 160 mm |
| Width | 440 mm |
| Height | 570 mm |
Fronius Reserva Pro 3.98 kWh Battery Module — B2B wholesale prices for installers and contractors. Check availability and terms of cooperation: contact us.
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