Fronius Reserva Pro Battery BMS with Base - 4,240,391

The Fronius Reserva Pro battery BMS with base (4,240,391) is the control unit for the high-voltage storage unit Fronius Reserva Pro, including the base plinth. The battery management system monitors the modules and communicates with the inverter; the base supports the stack of modules. According to the data sheet, the two together weigh 18 kg.

Storage system configuration

An Reserva Pro storage system consists of a BMS, a base and three to eight modules, each with a usable capacity of 3.98 kWh. This results in storage systems with a usable energy capacity ranging from 11.9 to 31.9 kWh (Reserva Pro 12.0 to 32.0). Up to four batteries can be operated in parallel. The cell chemistry is lithium iron phosphate (LFP).

According to Fronius, the following inverters are compatible: Primo GEN24 Plus, Symo GEN24 Plus and Verto Plus.

Key specifications according to the data sheet

• BMS 225 × 570 × 440 mm, 10 kg; base 70 × 579 × 449 mm, 8 kg
• Communication with the inverter: CAN / Modbus (RS485); with the module: ISO-SPI
• IP65, protection class II, ambient temperature −20 to +50 °C
• Installation indoors and in sheltered outdoor areas
• Max. output current 50 A, DC connection Stäubli MC4 Evo Stor
• 10-year warranty (80% SOH), standards VDE 2510-50, IEC 62619

VAT and compatible components

For photovoltaic systems and their essential components, no value added tax is charged where the conditions of Section 12 (3) of the German VAT Act (UStG) are met. You state during the ordering process whether they apply to you. Modules: Fronius Reserva Pro 3.98 kWh. Complete: Reserva Pro 32 kWh Set. Inverter: Fronius Symo GEN24 10.0. More at Fronius Storage.