

Low voltage battery module Felicity FLS48100SMG2 5.12kWh LiFePO4 stackable expansion
FLS48100SMG2 is the expansion module of Felicity's stackable low voltage storage system: 5.12kWh of LiFePO4 cells at 51.2V and 100Ah, to be added to the FLS48100SCG2 master control unit. It stacks without complicated wiring and brings home storage to exactly the size needed, one module at a time.
It is the simplest way to grow a system that is already installed: up to 8 packs in parallel, that is 40.96kWh, with depth of discharge ≥95%, more than 6,000 cycles of service life and 60A maximum charge and discharge current. Management stays with the smart BMS in the master module, which talks CAN and RS485 to the inverter and enables remote monitoring. Wall or floor installation and a 10-year warranty.
Key features
Technical specifications
| Feature | Value |
|---|---|
| Product code | FLS48100SMG2 |
| Model | FLS48100SMG2 |
| Role in the system | Expansion module (requires the FLS48100SCG2 master unit) |
| Cell chemistry | LiFePO4 (lithium iron phosphate) |
| Module nominal energy | 5.12kWh |
| Module nominal capacity | 100Ah |
| Module nominal voltage | 51.2V |
| Depth of discharge (DOD) | ≥95% |
| Max. charge/discharge current | 60A (50A recommended) |
| Cycle life | ≥6,000 cycles (80% DOD) |
| System communication | CAN and RS485 through the master module |
| Protections | Smart BMS, breaker and fuse integrated in the system |
| Fire safety | Aerosol fire suppression system |
| Scalability | Up to 8 packs in parallel (40.96kWh) |
| Inverter compatibility | Leading inverter brands |
| Installation | Stackable, wall or floor mounted |
| Warranty | 10 years |
Documentation
PDFManuale utente FLS48100SG2 (EN)Official manufacturer documentPDFFLS48100SG2 quick installation guide (EN)Official manufacturer documentPDFCertificato CE-EMC FLS48100SMG2Official 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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