Fronius Reserva 3.15kWh battery module Manufacturers Part Number 4.240.374 BayWa r.e. Part Number BS513150 Available for ✅ Consumer-Account ✅ Trade-Account $2,213.00 (excl. GST) WarehouseQty AvailableQty RestockBayWa WA Perth0119 Apr / 2026 -+ Backorder Product description Technical details Product Images BackProduct DescriptionThe Fronius Reserva is a high-voltage battery with DC coupling that guarantees almost loss-free charging and discharging performance. Capacities between 6.3 and 15.8 kWh are possible with two to five modules. The storage modules are stacked on top of each other like building blocks as a plug-and-play connection without the need for cabling. A total of up to four battery towers can be connected in parallel to achieve a maximum storage capacity of 63 kWh. The new battery storage system is optimally matched to the two hybrid inverters Fronius GEN24 Plus and Fronius Verto Plus and can therefore be seamlessly integrated into an existing photovoltaic system. The tried-andtested Solar.web app is all that is needed for visualization; no additional software is required. The Fronius Reserva status display also shows the current charge status and indicates if there is a fault.Back Dimensions 26.4 x 79 x 37.2 cm Weight 36.5kg Back DocumentsDatasheet