Fronius Reserva 3.15kWh Battery Module
The Fronius Reserva 3.15 kWh module is a building block for the Fronius Reserva high-voltage battery system. Combine 2 to 5 modules (with a BMS base module) to scale usable capacity and match it with compatible Fronius hybrid inverters.
Key features
- Modular expansion: build from 2 to 5 modules for larger storage systems.
- LFP chemistry for safety and long service life.
- Designed to pair with Fronius hybrid inverters for efficient DC-coupled storage.
- Up to 4 batteries in parallel (system configuration dependent).
Specs
- Usable capacity per module: 3.15 kWh.
- Rated voltage: 102.4 V.
- Dimensions (H x W x D): 250 x 772 x 176 mm; weight: 33.5 kg.
- System protection class: IP65 (system); operating temperature: -20°C to +55°C.




