Fronius Reserva PRO Module 3.98 kWh - Battery Control Unit
Fronius Reserva PRO Module 3.98 kWh - Battery Control Unit is backordered and will ship as soon as it is back in stock.
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Payment and shipping
Payment and shipping
Payment
The order total can be paid by bank transfer in advance, in HUF or EUR. Cash on delivery is available for orders up to HUF 500,000, with a handling fee of HUF 4,990. For orders over HUF 500,000, only bank transfer in advance is possible. The proforma invoice will be sent via email and will contain the necessary bank transfer details.
Shipping
We deliver orders throughout Hungary with the help of our reliable logistics partners or our own transport. Personal pickup is possible by prior arrangement. Shipping costs are determined based on the size, weight, and type of the ordered product:
- Small package: HUF 3,790
- Large package: HUF 6,490
- Heat pump: free shipping
- Solar panel and battery: individual shipping fee (based on size, weight, and quantity)
Description
Description
The Fronius Reserva PRO Module is a battery module with a usable capacity of 3.98 kWh for the high-voltage Reserva PRO energy storage system. It is made with safe and long-lasting LiFePO₄ cell technology.
The module has a nominal voltage of 70.84 V and an operating voltage range of 55–80.3 V. It cannot be used independently; a Reserva PRO BMS, a base unit, and at least three battery modules are required for its operation.
A system can be configured with 3–8 modules. The required number of modules should be determined based on the desired storage capacity and the battery-side voltage range of the connected Fronius inverter.
The entire Reserva PRO system has IP65 protection, allowing it to be installed indoors or in a suitably protected outdoor location. Its operating temperature range is between –20 and +50 °C.
Key features
Usable energy: 3.98 kWh
Cell technology: LiFePO₄
System type: high voltage
Nominal voltage: 70.84 V
Operating voltage range: 55–80.3 V
Number of modules in a system: 3–8 units
Required accessories: Reserva PRO BMS and base unit
Operating temperature: between –20 and +50 °C
System protection class: IP65
Dimensions: 160 × 570 × 440 mm
Weight: 36 kg
Warranty: 10 years, with 80% guaranteed battery health
Important: cannot be used independently


