FSolar 5.12kWh 51.2V 100Ah LiFePO4 Lithium Battery | FSESS 5.12KWh

SKU: FSB 3092

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The FSolar 5.12kWh 51.2V 100Ah LiFePO4 Lithium Battery is a high-performance energy storage solution designed for solar power systems, hybrid inverters, off-grid applications, and backup power. Featuring over 6,000 cycles, >97% round-trip efficiency, 100A continuous charge and discharge current, and support for up to 6 batteries in parallel, it delivers reliable, efficient, and long-lasting energy storage for residential and commercial applications.

Original price was: 3,499.Current price is: 2,680.

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Description

FSolar 5.12kWh 51.2V 100Ah LiFePO4 Lithium Battery

The FSolar 5.12kWh 51.2V 100Ah LiFePO4 Lithium Battery is a powerful and reliable energy storage solution engineered for modern solar power systems, hybrid inverter installations, off-grid applications, and backup power systems.

Built with advanced LiFePO4 (Lithium Iron Phosphate) battery technology, this 51.2V lithium battery provides a combination of long cycle life, high efficiency, stable performance, and dependable energy storage. With a nominal capacity of 100Ah and total energy capacity of 5.12kWh, it is an excellent choice for residential, commercial, and renewable energy applications.

Long-Lasting LiFePO4 Battery Technology

The battery is designed to deliver more than 6,000 cycles at 90% DOD under specified test conditions, making it suitable for applications that require frequent charging and discharging. LiFePO4 technology offers excellent thermal stability and dependable performance for long-term energy storage.

High Energy Efficiency

With a round-trip efficiency of more than 97%, the battery is designed to store and deliver energy efficiently, helping maximize the performance of your solar power and energy storage system.

Powerful Charge & Discharge Performance

The battery supports a maximum continuous charge current of 100A and a maximum continuous discharge current of 100A, providing strong performance for demanding backup power and solar energy applications.

A 120A peak discharge current for 100ms provides additional short-duration power capability when required.

Expandable Energy Storage

For systems requiring greater energy storage capacity, up to 6 batteries can be connected in parallel. This allows the battery system to be expanded as energy requirements increase.

Ideal for Solar & Backup Power Systems

The FSolar 5.12kWh lithium battery is suitable for a wide range of energy storage applications, including:

Residential solar energy storage
Hybrid solar inverter systems
Off-grid solar power systems
Home backup power
Commercial energy storage
Shops and office backup systems
Farms and remote locations
Renewable energy storage applications

Key Features

5.12kWh energy capacity
51.2V nominal voltage
100Ah nominal capacity
Advanced LiFePO4 battery technology
More than 6,000 cycles
More than 97% round-trip efficiency
100A maximum continuous charge current
100A maximum continuous discharge current
120A peak discharge current
Supports up to 6 batteries in parallel
Low internal resistance of <25mΩ
Compact and space-efficient design
Suitable for solar, backup, hybrid, and off-grid power systems
Designed for reliable long-term energy storage

Technical Specifications

Specification	Details
Model	FSESS 5.12KWh 100AH LFP51.2-100
Battery Technology	LiFePO4
Energy Capacity	5.12kWh
Nominal Voltage	51.2V
Nominal Capacity	100Ah
Operating Voltage Range	43.2V – 57.6V
Recommended Charge Voltage	56.0V ± 0.2V
Maximum Charge Voltage	58.4V ± 0.2V
Recommended Charge Current	100A
Maximum Continuous Charge Current	100A
Recommended Discharge Voltage	44.8V ± 0.2V
Maximum Continuous Discharge Current	100A
Peak Discharge Current	120A for 100ms
Internal Resistance	<25mΩ
Round-Trip Efficiency	>97%
Maximum Parallel Connection	Up to 6 batteries
Cycle Life	>6,000 cycles at specified test conditions
Installation Type	Upright
Discharge Temperature	-20°C to 70°C
Charge Temperature	-5°C to 65°C
Storage Temperature	0°C to 30°C
Dimensions (L × W × H)	482 × 480 × 178mm
Approximate Weight	55kg

Reliable Energy Storage for Modern Solar Systems

Whether used for daily solar energy storage, backup power, or an off-grid system, the FSolar 5.12kWh 51.2V 100Ah LiFePO4 Lithium Battery provides a powerful combination of capacity, efficiency, scalability, and long service life.

Its compact design and ability to connect up to six units in parallel make it a flexible solution for systems ranging from individual residential installations to larger energy storage applications.