Description
The Solarpex 100Ah 12.8V Rechargeable Lithium Iron Phosphate (LiFePO4) Battery is a compact and efficient energy storage solution designed for solar power systems, backup electricity and off-grid applications. Built using lithium iron phosphate battery technology, it provides a convenient way to store electrical energy for use when solar generation is low or grid electricity is unavailable.
With a nominal voltage of 12.8V and a capacity of 100Ah, this battery offers approximately 1.28kWh of nominal energy storage. It is suitable for users looking for a rechargeable battery for compatible solar installations, small backup systems and other 12V power applications.
Whether you need battery storage for a small solar setup, backup power for essential devices or a suitable battery for a compatible DC system, the Solarpex LiFePO4 battery offers a practical alternative to conventional lead-acid battery technology.
Key Features
- Brand: Solarpex
- Battery Type: Lithium Iron Phosphate (LiFePO4)
- Nominal Voltage: 12.8V
- Battery Capacity: 100Ah
- Nominal Energy: Approximately 1.28kWh
- Rechargeable: Designed for repeated charging and discharging
- Application: Solar energy storage, backup power and compatible 12V systems
- Battery Technology: LiFePO4 chemistry, known for thermal stability and long cycle-life potential
Efficient Energy Storage
With a rated capacity of 100Ah, the Solarpex battery is designed to store energy for compatible low-voltage applications. Its nominal energy capacity of approximately 1.28kWh can support selected appliances and electrical devices, depending on their power consumption, operating duration and the battery’s usable capacity.
In a solar power system, the battery can store electricity generated during the day for use in the evening, at night or during periods of limited sunlight. The actual backup duration depends on the connected loads, inverter efficiency, battery settings and available state of charge.
Advanced LiFePO4 Battery Technology
Lithium iron phosphate technology is widely used in modern energy storage systems because of its thermal stability and potential for a long service life when operated within the manufacturer’s recommended limits.
Compared with many traditional lead-acid batteries, LiFePO4 batteries can offer several advantages:
- Long cycle-life potential: Suitable for regular charging and discharging when properly maintained.
- Efficient energy storage: Supports practical energy storage in compatible systems.
- Low routine maintenance: Typically requires less routine maintenance than flooded lead-acid batteries.
- Stable battery chemistry: LiFePO4 chemistry is known for good thermal stability compared with some other lithium-ion chemistries.
- Rechargeable performance: Designed for repeated use in suitable energy storage applications.
Actual lifespan and performance depend on battery quality, operating temperature, depth of discharge and charging practices.
Ideal For
The Solarpex 100Ah 12.8V LiFePO4 battery is suitable for:
- Small solar power systems
- Backup power for essential devices
- Off-grid energy applications
- Compatible 12V inverters and electrical systems
- Recreational vehicles and caravans
- Marine and other suitable DC applications
- Users looking for compact rechargeable lithium battery storage
Solar Power and Backup Applications
When paired with a compatible solar charge controller or inverter-charger, the Solarpex battery can store energy generated by solar panels for later use. It can support selected lighting, communication devices, electronics and other compatible loads within its available capacity.
Before installation, ensure that the inverter, charge controller and charging source support the battery’s voltage, charging profile and current limits. Confirm the battery’s maximum discharge current before connecting appliances or an inverter.
Important Battery Specifications
The battery’s nominal energy is approximately 1.28kWh, calculated using 12.8V × 100Ah. This is the nominal stored energy; the usable energy available to appliances may be lower depending on battery settings and system efficiency.
Before purchasing, confirm the following details with the supplier:
- Built-in Battery Management System (BMS) and its current rating
- Recommended charging voltage and maximum charging current
- Maximum continuous discharge current
- Compatible inverter and charge-controller requirements
- Usable energy capacity and recommended depth of discharge
- Cycle-life rating and warranty terms
- Permitted series or parallel connection configurations
Delivery and Installation
Delivery arrangements can be confirmed with the supplier based on your location. Professional installation is recommended for solar and backup power systems to ensure correct wiring, suitable electrical protection and compatibility with the charging equipment and inverter.
Why Choose the Solarpex 100Ah 12.8V LiFePO4 Battery?
The Solarpex 100Ah 12.8V Lithium Iron Phosphate Battery is a practical option for users seeking compact, rechargeable energy storage for compatible solar and backup power applications. Its 100Ah rating and approximately 1.28kWh nominal energy make it suitable for smaller systems where dependable battery storage is required.
Choose the Solarpex LiFePO4 battery for modern energy storage designed to support your everyday power needs at home, at work or off-grid.





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