Fronius Reserva Module 3.15 kWh Battery

The Fronius Reserva Module is a high-voltage lithium iron phosphate (LFP) battery module with 3.15 kWh usable capacity. It is a stackable component of the modular Fronius Reserva storage system, designed for DC-coupled integration with Fronius Primo GEN24 Plus, Symo GEN24 Plus, and Verto Plus hybrid inverters.

The module operates at a rated voltage of 102.4 V with a voltage range of 92.8 to 113.6 V. It features a compact form factor (250 × 772 × 176 mm) and weighs 33.5 kg. Battery efficiency is 95%, and the module supports RS485 communication for system integration.

Rated for 6,000 cycles at 60% state of health, the module carries a 10-year warranty and complies with IEC62619:2022, CE, VDE 2510-50, IEC62477-1, and UN38.3 standards. Installation is suitable for indoor and protected outdoor areas with ambient temperature range of −20 to +55 °C.