Fronius Reserva 9.5
Fronius Reserva 9.48kWh IP65 ESS Battery Stack with BMS+Base (3 Modules)
Fronius Resrerva 9.5
Be independent and use your solar energy around the clock. The Fronius Reserva is a high-voltage battery with DC coupling that ensures particularly effective and efficient energy transfer.
With capacities from 6.3 to 15.8 kWh with two to five modules, it adapts flexibly to your needs. Perfectly matched to Fronius hybrid inverters, it integrates seamlessly into your photovoltaic system. Your data remains secure because it is stored exclusively on European servers. The proven Fronius Service & Support is always on hand to provide fast and reliable assistance for your entire system.
The storage modules are stacked on top of each other like building blocks as a plug-and-play connection without the need for cabling. 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-and tested Solar.web app is all that is needed for visualisation; no additional software is required. The Fronius Reserva status display also shows the current charge status and indicates if there is a fault.
Experience freedom, security and efficiency in a perfectly designed complete system.
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One Stop Shop
Fronius now offers all the components for 24 hours of sun - a complete PV system from a single source. With the Fronius Reserva, we are adding a powerful battery to our portfolio that perfectly complements your energy system. Everything is ideally matched, saving you time and ensuring smooth processes. The optimal interaction of our devices ensures efficient and reliable operation. Service is also straightforward: a single point of contact is all you need. With the Solar.web app, you can keep an eye on all your Fronius devices, such as the Reserva, the GEN24 Plus hybrid inverter and the Wattpilot EV charger, without the need for additional third-party tools. Add to that the security of the Fronius warranty and the quality of a company with over 80 years of experience.
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Maximum Efficiency - Maximum Independence
Experience maximum independence with the Fronius Reserva! Thanks to DC coupling, the energy from your PV system is charged into the battery with almost no loss - for maximum efficiency and full power. The high-voltage technology optimises the cost-effectiveness of your system. Combined with the GEN24 Plus, you benefit from exceptional charge and discharge performance, making the most of even short windows of sunshine. With lithium iron phosphate cell chemistry, the Fronius Reserva is built to last and offers you reliable security.
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Data Security
With Fronius Reserva, you can keep an eye on your data at all times - safely and securely. Our Solar.web monitoring platform visualises all important information and complies with all data protection regulations. Your data is only stored on European servers. Fronius adheres to the highest security standards: we meet the latest information security standards (ISO27001) and have regular security audits carried out by renowned companies. In addition, secure coding training is mandatory for our software developers to ensure the best possible protection for your data.
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Proven Service & Support
Our technical support team offers comprehensive troubleshooting for the Fronius Reserva, as they can view all relevant system data (inverter and battery). For other compatible storage systems, in many cases the manufacturer has to be referred to. With the Fronius Reserva, we can take care of everything from a single source – quickly and easily. Fronius offers technical telephone support in several time zones and national languages. In addition, our online self-service tool Solar.SOS is available to installers around the clock. With a comprehe nsive network of Fronius partner companies, we ensure that our customers receive a smooth and timely replacement when servicing is required.

| Usable Capacity | 9.47 kWh |
| Number of Modules | 3 |
| Rated Voltage | 307.2 V |
| Voltage Range | 278.4 ~ 340.8 V |
| Maximum Output Current ¹ | 32 |
| Battery Cell Chemistry | Lithium Iron Phosphate (LiFePO4) |
| Parallel Operation ² | Up to 4 batteries |
| Compatible Inverters | Fronius Gen24 Primo & Symo, Verto Plus |
| Protection Class | IP65 |
| Max. Altitude above sea level | 2000 Metres |
| Ambient Temp Range ³ | -20°C to +55°C |
| Permissible Humidty | 5 to 95 % |
| Installation | Indoor and protected outdoor areas |
| DC Connection Technology | DC-connectors Stäubli MC4 Evo Stor |
| Certificates/Standards | IEC62619:2022; CE; VDE 2510-50; IEC62477-1; UN38.3 |
| Interfaces | RS485 |
| Warranty | 10 Years |
1 The charging and discharging current is limited by the inverter.
2 Regardless of the number of Fronius Reserva battery towers connected in parallel, the maximum output current is limited to 32 A. Example: Even with 4x15.8 kWh, the maximum DC charging/discharging power of the Fronius Verto Plus 30 remains approx. 16.38 kW.
3 Depending on the temperature, the charging/discharging capacity can be limited
Battery cosists of:
- 4.240.375 Reserva BMS and Base
- 4.240.384 x 3 Reserva Modules
Fronius Battery Storage Solution: Click to view
This resource provides valuable information about Implementation requirements, Back-up power options & DC Charge & Discharge values.
Related Products
Primo Gen 24 Hybrid Inverters
Symo Gen 24 Hybrid Inverters
Verto Plus Hybrid Inverters
| Selling Unit | EACH |
|---|---|
| Model No | Reserva 9.5 |
| Brand |
|
| Original Brand | Fronius Reserva 9.5 |
| Description | Fronius Reserva 9.48kWh IP65 ESS Battery Stack with BMS+Base (3 Modules) |
| Application | Home & SME Solar Storage |
| Chemistry | Lithium Iron Phosphate (LiFePO4) |
| Voltage | 307.2V |
| Watt Hour | 9480Wh |
| Nominal Capacity | 30.85Ah |
| Size | 9.48kWh |
| Width | 772mm |
| Height | 1140mm |
| Length / Breadth / Depth | 176mm |
| Weight | 12kg |
| Categories |
Batteries Secondary (Rechargeable) IEC62619 Stationary Applications Lithium Ion Batteries Lithium Iron Phosphate Battery Packs Energy Storage Systems (ESS) High Voltage Energy Storage Systems Fronius Reserva Battery Pylontech CEC Approved Batteries |
| Data Sheet |
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This product appears on the Clean Energy Council list of currently approved batteries (energy storage devices)
View the full list here
This Battery Pack has been tested and complies with IEC 62619:2022
To view all compliant batteries, please click here
Cheaper Home Battery Program
The Australian Government’s Cheaper Home Batteries Program makes adding a home battery to your solar system more affordable than ever. Every kilowatt-hour of storage you add brings you closer to bigger rebates, so paired with the Fronius Reserva, you can reduce upfront costs and enjoy greater savings on your power bills. Don’t miss your chance to take control of your energy and save some serious dollars, claim your rebate today and get more from your solar investment.
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SHIPPING RESTRICTIONS APPLY
Due to IATA and individual airline regulations, this item may only be shipped by surface (road/sea) freight.
UN3480 FULLY DECLARED CLASS 9 DANGEROUS GOODS LITHIUM ION BATTERIES - Contains cells/batteries packed in accordance with Packing Instruction P903 from ADG 7.7 & IMDG Code 2020. Surcharges will apply.
Further information on freight & postal regulations for lithium / lithium-based and other battery chemistries can be found on our battery transportation page.