The Felicity Solar LPBF48300 Lithium Battery Pack is a high-capacity energy-storage solution designed for residential solar systems, commercial installations, hybrid power systems and off-grid applications.

With a nominal voltage of 51.2V and a capacity of 300Ah, the battery provides approximately 15.36kWh of nominal energy storage, commonly marketed as a 15kWh battery. It is suitable for installations that require longer backup time, strong charge and discharge performance and the option to expand storage capacity later.

Its slim floor-standing design includes wheels for easier positioning, while the integrated Battery Management System helps monitor and protect the battery during operation.

🔋 Key Features

• Approximately 15.36kWh nominal energy capacity
• Commonly marketed as a 15kWh lithium battery
• 51.2V 300Ah battery rating
• Advanced LiFePO₄ lithium iron phosphate technology
• Maximum charge and discharge current of 120A
• Built-in intelligent Battery Management System
• More than 6,000 charging cycles
• Supports compatible parallel connections
• Expandable for larger energy-storage requirements
• IP21-rated enclosure
• Wide operating temperature range
• Compact floor-standing design
• Integrated wheels for easier movement
• Suitable for residential and commercial solar systems
• 5-year warranty

⚡ Charge and Discharge Performance

The battery supports a maximum charge and discharge current of 120A.

At a nominal voltage of 51.2V, this corresponds to approximately:

• Maximum charging power: 6.14kW
• Maximum discharge power: 6.14kW

Actual charging and output power may be limited by the inverter, battery settings, cabling, temperature and installed protection devices.

🧠 Integrated Battery Management System

The built-in BMS helps monitor the battery and protect it against common electrical and operating risks, including:

• Overcharging
• Excessive discharge
• Overcurrent
• Short circuits
• High and low temperatures
• Cell-voltage imbalance
• Abnormal charging or discharging conditions

These protections help support safe operation, stable performance and longer battery life.

🔗 Expandable Energy Storage

The Felicity LPBF48300 supports compatible parallel connections, allowing additional battery units to be added when more storage capacity is required.

Example nominal capacities include:

• 1 battery: Approximately 15.36kWh
• 2 batteries: Approximately 30.72kWh
• 3 batteries: Approximately 46.08kWh
• 4 batteries: Approximately 61.44kWh

The maximum permitted number of parallel batteries should be confirmed from the official Felicity Solar manual before installation.

✅ Benefits of LiFePO₄ Technology

• Long cycle life
• High usable energy capacity
• Efficient charging and discharging
• Improved thermal and chemical stability
• Stable performance during repeated use
• Lower maintenance than lead-acid battery banks
• Compact installation
• Lower long-term replacement costs

🌡️ Operating Environment

The stated operating temperature range is -20°C to 65°C. For best performance and service life, the battery should be installed:

• Indoors or in a protected enclosure
• In a dry and properly ventilated location
• Away from direct sunlight
• Away from excessive heat and moisture
• On a stable, level surface

The IP21 rating provides limited protection against solid objects and vertically dripping water. It is not intended for exposed outdoor installation.

⚠️ Inverter Compatibility

Although the battery has a nominal voltage of 51.2V, it is intended for compatible systems commonly classified as 48V solar systems.

Before installation, confirm that the inverter supports:

• 51.2V LiFePO₄ batteries
• Charge and discharge currents of up to 120A
• The correct Felicity Solar communication protocol
• Recommended charging and cut-off voltages
• Appropriate cable sizes
• Suitable DC breakers and fuses
• The required inverter power rating

Professional installation by a qualified solar technician is recommended.