

Low voltage storage battery Felicity FLA48100-EU 5.12kWh LiFePO4 wall or floor mounted
The Felicity FLA48100-EU is the 5.12kWh LiFePO4 storage battery of the European FLA range, with a 51.2V nominal voltage. It is the entry module for a domestic PV system built on a 48V low-voltage inverter: it banks the energy harvested during the day and powers household loads in the evening or during a blackout.
It mounts on the wall or on the floor and integrates WiFi, Bluetooth, CAN and RS485, so remote monitoring of pack data and inverter dialogue are already on board, with no add-on modules. A smart BMS with breaker and fuse, an aerosol fire suppression system and a 10-year warranty round off a module built to last: ≥6000 cycles at ≥95% DOD and expansion up to 76.8kWh with 15 units in parallel.
Key features
Technical specifications
| Feature | Value |
|---|---|
| Product code | FLA48100-EU |
| Model | FLA48100-EU |
| Series | FLA – low-voltage battery pack |
| Battery type | LiFePO4 (lithium iron phosphate) |
| Nominal energy | 5.12kWh |
| Nominal capacity | 100Ah |
| Nominal voltage | 51.2V |
| Operating voltage range | 44.8–57.6V |
| Recommended charge/discharge current | ≤100A |
| Recommended charge/discharge power | ≤5000W |
| Depth of discharge (DOD) | ≥95% |
| Cycle life | ≥6000 cycles |
| Scalability | up to 15 units in parallel (76.8kWh) |
| Communication | WiFi. Bluetooth. CAN. RS485 |
| Installation | wall-mounted or floor-mounted |
| Built-in protections | built-in smart BMS, breaker and fuse |
| Fire suppression system | built-in aerosol fire extinguisher |
| Remote monitoring | built-in WiFi and Bluetooth |
| Warranty | 10 years |
Documentation
PDFDatasheet FLA48100-EU / FLA48171-EU / FLA48230-EU / FLA48250-EU (EN)Official manufacturer documentPDFManuale utente FLA48100-EU (EN)Official manufacturer documentPDFFLA48100-EU quick installation guide (EN)Official manufacturer documentPDFBenutzerhandbuch FLA48100-EU (DE)Official manufacturer documentPDFGuide utilisateur FLA48100-EU (FR)Official manufacturer documentInstallation and wiring must be carried out by qualified personnel in accordance with the applicable standards and the electrical design of the system.
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