FSolar Alpha 8kWh 51.2V 155Ah LiFePO4 Lithium Battery V2.0 | FSESS-51.2V-8KWH V2

The FSolar Alpha 8kWh 51.2V 155Ah LiFePO4 Lithium Battery V2.0 is a premium lithium energy storage solution designed for modern solar power systems, hybrid inverter setups, home backup, commercial backup, and off-grid energy applications. With advanced LiFePO4 / LFP battery technology, this battery provides excellent safety, long cycle life, stable performance, and efficient power storage.

This 8kWh battery is designed with a 51.2V rated voltage and 155Ah rated capacity, making it suitable for 48V solar energy systems. It supports an operating voltage range of 43.2V to 58.4V, helping deliver stable power for solar inverters, home appliances, backup systems, and renewable energy storage applications.

The battery comes with a smart BMS system for reliable protection against over-charge, over-discharge, short circuit, over-voltage, under-voltage, over-current, over-temperature, and surge conditions. It also supports RS485, RS232, and CAN communication, providing wide compatibility with different inverter systems.

With a cycle life of more than 6000 cycles at 25°C and 80% DOD, the FSolar Alpha 8kWh lithium battery is built for long-term use. Its natural cooling design ensures quiet and efficient operation, while the ground installation type makes it easy to use in homes, shops, farms, offices, and solar backup systems.

Key Features

• 8kWh lithium energy storage battery
• 51.2V rated voltage
• 155Ah rated capacity
• LiFePO4 / LFP battery technology
• More than 6000 cycles
• 80% DOD at 25°C
• Max continuous discharge current: 150A
• Rated charge current: 70A
• Rated discharge current: 70A
• Smart BMS protection system
• RS485 / RS232 / CAN communication
• Wide inverter compatibility
• Natural cooling system
• Scalable up to 6 batteries in parallel
• Indoor ground installation
• Low self-discharge: less than 3% per month
• Suitable for solar, backup, and off-grid power systems

Technical Specifications

Model: FSESS-51.2V-8KWH V2
Battery Type: LiFePO4 / LFP Lithium Iron Phosphate Battery
Rated Voltage: 51.2V
Rated Capacity: 155Ah
System Energy Capacity: 8kWh
Operation Voltage Range: 43.2V–58.4V
Max Continuous Discharge Current: 150A
Rated Charge Current: 70A
Rated Discharge Current: 70A
Cycle Life: >6000 cycles at 25°C, 80% DOD
Self-Discharge: <3% per month at 25°C
Scalability: Max. 6 pcs in parallel
Cooling Concept: Natural cooling
Installation Type: Ground installation
Environment: Indoor
Ingress Protection: IP20
Communication Interfaces: RS485 / RS232 / CAN
Charge Temperature: 0°C to 60°C
Discharge Temperature: -20°C to 60°C
Recommended Storage Temperature: 20°C to 30°C
Maximum Operating Altitude: 3000m
Dimensions: L420 × W190 × H677 mm
Weight: 72kg

Best Use Applications

• Solar energy storage systems
• Hybrid inverter systems
• Home backup power
• Off-grid solar systems
• Commercial backup power
• Farm and remote power systems
• Shop and office power backup
• 48V lithium battery systems
• Renewable energy storage applications