Felicity High Voltage Battery Cluster Controller Master FLH48100UCG1
The Felicity FLH48100UCG1 is a master controller for the FLH48100UG1 high-voltage lithium battery storage system, designed for residential and commercial solar energy applications. It manages up to 12 battery modules (FLH48100UMG1) for scalable capacities from 44 kWh to 983 kWh, ensuring efficient charging, discharging, and protection in off-grid or hybrid setups. Research indicates it’s particularly suited for Kenya’s variable grid conditions, integrating with inverters for backup power during outages.
Key Specifications
- System Configuration: Requires 1 controller + minimum 4 modules; expandable to 12 modules.
- Voltage and Current: Nominal 720V DC, 100A max charge/discharge.
- Protections: Over-voltage, over-current, short-circuit, reverse polarity, ground fault, over-temperature.
- Interface: LCD touch screen for parameter configuration and mode selection.
- Dimensions and Weight: 482.6 × 565 × 150 mm; 10.3 kg.
- Compatibility: Pairs with FLH48100UMG1 modules for LiFePO4-based high-voltage DC systems.
Integration and Use
This controller acts as the “brain” of the Felicity FLH series, enabling parallel stacking for high-capacity storage. It supports configurable modes via the LCD, making it user-friendly for solar PV systems. In Kenyan installations, it excels in hybrid setups with Felicity inverters, providing seamless grid-tie and off-grid transitions.
Comprehensive Overview: Felicity FLH48100UCG1 High Voltage Battery Cluster Controller
The Felicity FLH48100UCG1 represents a pivotal component in modern energy storage solutions, specifically engineered as the master controller for Felicity Solar’s FLH48100UG1 series high-voltage battery clusters. Manufactured by Guangdong Felicity New Energy Co., Ltd., a high-tech enterprise founded in 2007 and based in Guangzhou, China, this product integrates advanced battery management system (BMS) technology to optimize performance in solar photovoltaic (PV) and hybrid energy applications. As of September 2025, it remains a popular choice for scalable, reliable power storage, particularly in regions like Kenya where grid instability and renewable energy adoption are rising. This overview draws from manufacturer specifications, product datasheets, and industry analyses to provide a detailed examination of its design, functionality, installation, and real-world applications
Comparative Analysis
Compared to competitors like Tesla Powerwall (low-voltage, 13.5 kWh) or BYD Battery-Box (modular HV, up to 110 kWh), the FLH48100UCG1 stands out for extreme scalability (up to 983 kWh) at a competitive entry point. It lags in app ecosystem depth but excels in raw capacity for industrial use.
| Feature | Felicity FLH48100UCG1 | Tesla Powerwall 3 | BYD Battery-Box HV |
|---|---|---|---|
| Voltage | 720V DC | 48V AC | 600V DC |
| Max Capacity | 983 kWh (12 modules) | 40.5 kWh (stacked) | 110 kWh |
| Efficiency | 95%+ | 96% | 95% |
| Cycle Life | 6,000+ @ 80% DoD | 4,000 @ 100% DoD | 6,000 @ 80% DoD |
| Warranty | 10 years | 10 years | 10 years |
| Scalability | Up to 12 modules | Up to 3 units | Up to 6 modules |
Technical Specifications
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