The Felicity 15kW 51V Normal Lithium Battery is a high-capacity LiFePO₄ energy storage system designed to deliver strong, stable, and long-lasting power for residential, office, and commercial solar installations. With a robust 15kW capacity and 51V nominal voltage, this battery provides reliable performance for high-energy-demand applications.
Built using safe and durable Lithium Iron Phosphate (LiFePO₄) cells, it offers excellent efficiency, fast charging, and a long cycle lifespan. The integrated smart Battery Management System (BMS) ensures full protection, making it suitable for hybrid and off-grid power setups that require dependable, uninterrupted energy storage.
High-capacity 15kW / 51V lithium energy storage
Normal lithium pack design for easy installation and system integration
Safe and durable LiFePO₄ (Lithium Iron Phosphate) chemistry
Long cycle life: 4000–6000+ cycles
Smart BMS protection for enhanced safety
Fast charging with high energy conversion efficiency
Stable voltage output suitable for sensitive electronics
Maintenance-free, lightweight, and compact
Compatible with most 48V–51V hybrid and solar inverters
Low self-discharge for long-term standby use
Ideal for homes, offices, farms, telecom, and commercial solar systems
Designed for large backup loads and long backup duration
Energy Capacity: 15kW
Nominal Voltage: 51V
Battery Chemistry: LiFePO₄
Cycle Life: 4000–6000 cycles @ 80% depth of discharge
Standard Charge Voltage: 54–58V
Discharge Cut-off Voltage: ~44V
Standard Charge Current: 50A (varies by configuration)
Maximum Discharge Current: 100A–150A (BMS dependent)
Protection System: Built-in BMS (over-charge, over-discharge, short circuit, temperature, over-current)
Design Type: Normal lithium pack
Installation: Floor or cabinet mount
Operating Temperature: –10°C to +55°C
Applications: Solar hybrid systems, inverter backup, home & office power, industrial setups, off-grid