Felicity FLS battery module - 5.12 kWh low-voltage storage for modular energy systems
Description
Product information
The Felicity FLS48100SMG1 battery module from the renowned FLS Series is a powerful, stackable low-voltage lithium iron phosphate battery (LiFePO₄) with a capacity of 5.12 kWh. Thanks to its intelligent, space-saving design and modular expandability, the system is ideal for use in private households, commercial facilities and emergency power systems.
Highlights at a glance
- Reliable capacity: 5.12 kWh per module for effective energy storage
- High scalability: Up to 8 modules operable in parallel (40.96 kWh)
- Flexible installation: Wall or floor-mountable, stackable design
- Intelligent safety: Integrated BMS, fuse, and circuit breaker
- Long-lasting: ≥ 6000 charge cycles at 90% depth of discharge (DoD)
Efficient energy storage for private and commercial applications
With a nominal voltage of 51.2 V and 100 Ah capacity, the Felicity battery module is suitable for various application areas, from single-family homes to industrial emergency power supply. The high efficiency and modular expandability make the system particularly cost-effective.
Flexibility and easy expansion
The clever, stackable design allows rapid expansion to up to 8 modules with up to 40.96 kWh total capacity. Thanks to the plug-and-play principle and simple handling, integration into existing systems is especially straightforward.
Safety and reliability
The Felicity FLS series uses high-quality LiFePO₄ cells, which are known for their high thermal stability and long service life. The integrated battery management system (BMS) reliably protects against overcharging, deep discharge, short circuit, and overtemperature.
Who is the Felicity battery module suitable for?
This battery pack is ideal for:
- Homeowners wishing to increase their self-consumption ratio
- Commercial businesses seeking to manage peak loads or operate autonomously
- PV installers in need of flexible and scalable storage solutions
- Industrial users who depend on stable emergency power solutions
| Model | FLS48100SMG1 |
| Battery type | LiFePO4 |
| Module Capacity (kWh) | 5.12 |
| Module Nominal Voltage (V) | 51.2 |
| Module Capacity (Ah) | 100 |
| System Nominal Voltage (V) | 51.2 |
| System Operating Voltage (V) | 44.8-57.6 |
| System Capacity (kWh) | 5.12 |
| System Usable Capacity (kWh) | 4.6 |
| Charge/discharge current (A) - Recommendation | 50 |
| Charge/discharge current (A) - Nominal value | 60 |
| Charge/discharge current (A) - Peak discharge (2 min,25°C) | 100 |
| Operating temperature (°C) | Charging: 0 ~ 55 / Discharging: -20 ~ 55 |
| Display | Control Module: LCD/Battery Module: LED |
| Communication connection | CAN, RS485 |
| Humidity | 5% ~ 95% |
| Altitude | ≤2000m |
| IP rating of the housing | IP65 |
| Storage temperature (°C) | 0 ~ 35 |
| Dimensions (W/D/H, mm) | 600 * 450 * 180 |
| Weight (kg) | 46 |
| Installation location | Floor mounting / Wall mounting |
| Recommended depth of discharge | 90% |
| Cycle life | 25 ± 2°C, 0.5C/0.5C, EOL70% ≥ 6000 |
| Warranty | 10 years |
| Certifications | See downloads / sales enquiry |
FAQs about the Felicity battery storage
Which inverters are compatible with the Felicity 5.12 kWh low-voltage module?
The module is compatible with many 48 V inverters, including models from Deye, Growatt, Victron, Solis, Sofar, MPP Solar and Felicity itself. It is not compatible with high voltage inverters such as Huawei SUN2000 or Kostal Plenticore Plus.
Can I expand the storage capacity with additional modules?
Yes, the Felicity module is modular. Depending on the model, up to 8 or even 15 modules can be combined, enabling a total capacity of up to 40.96 kWh.
What safety functions does the module offer?
The module has an integrated battery management system (BMS) that continuously monitors voltage and temperature. Additionally, it offers protection mechanisms such as overvoltage protection up to 6000 V and an aerosol fire extinguishing system.
Is the module maintenance-free and how is it installed?
Yes, the module is maintenance-free. It is designed for wall mounting and weighs between 51 and 92 kg, depending on version. Installation can be carried out by one person.
Is there a possibility to monitor the battery status?
Yes, the module provides integrated WiFi monitoring for real-time monitoring of charge status, temperature, and other parameters.
Scope of delivery Felicity FLS48100SMG1 battery module (5.12 kWh slave unit):
Module type
- This is a pure expansion module (slave unit) for an existing Felicity tower system. It requires a master module (control module) for operation.
1 x Felicity FLS48100SMG1 slave battery module (5.12 kWh)
- A pure expansion battery module with 5.12 kWh (100 Ah) without its own higher-level control unit.
1 x connecting bridge / parallel connection cable
- Short, robust cables or a fixed bridge to connect this module to an existing master or slave module.
1 x earthing cable
- A short protective conductor cable to connect with the earthing point of the neighbouring module.
1 x mounting accessories (rack/tower mounting)
- Typically includes screws or clamps to safely stack the module on top of another.
1 x operating and installation manual
- A printed manual describing the expansion of an existing tower system.
Properties
| Capacity: | 5.12 kWh, 100Ah |
|---|---|
| Tension: | 51,2V |
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