Description
The Solarpex 200Ah 12.8V Rechargeable Lithium Iron Phosphate (LiFePO4) Battery is a reliable energy storage solution designed for solar power systems, backup electricity and off-grid applications. Built around lithium iron phosphate battery technology, it provides a practical way to store electrical energy for use when solar production is low or grid electricity is unavailable.
With a nominal voltage of 12.8V and a capacity of 200Ah, this battery offers approximately 2.56kWh of nominal energy storage. It is suitable for users looking for a rechargeable battery for compatible solar installations, backup power systems and other 12V applications.
Whether you are upgrading your existing solar system, setting up an off-grid power solution or adding battery backup to your home or business, the Solarpex LiFePO4 battery offers a modern alternative to conventional lead-acid batteries.
Key Features
- Brand: Solarpex
- Battery Type: Lithium Iron Phosphate (LiFePO4)
- Nominal Voltage: 12.8V
- Battery Capacity: 200Ah
- Nominal Energy: Approximately 2.56kWh
- 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 200Ah, the Solarpex battery is designed to store energy for compatible low-voltage applications. Its nominal energy capacity of approximately 2.56kWh can support selected appliances and electrical equipment, depending on their power consumption, operating duration and the battery’s usable capacity.
When used 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 appliances, 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 according to the manufacturer’s specifications.
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 storage and use of electricity 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 temperature, depth of discharge, charging practices and the battery’s specifications.
Ideal For
The Solarpex 200Ah 12.8V LiFePO4 battery is suitable for:
- Home solar power systems
- Backup power applications
- Off-grid energy installations
- Compatible 12V inverters and electrical systems
- Recreational vehicles and caravans
- Marine and other suitable DC applications
- Users looking for 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 from solar panels for later use. It can help provide backup power for selected lighting, communication devices, electronics and other compatible loads.
Before installation, ensure that the inverter, charge controller and charging source support the battery’s voltage, charging profile and current limits. If connecting multiple batteries in series or parallel, confirm that the manufacturer permits the proposed configuration.
Important Battery Specifications
The battery’s nominal energy is approximately 2.56kWh, calculated using 12.8V × 200Ah. This represents 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 inverter and charging equipment.
Why Choose the Solarpex 200Ah 12.8V LiFePO4 Battery?
The Solarpex 200Ah 12.8V Lithium Iron Phosphate Battery is a practical energy storage option for users seeking a rechargeable 12.8V battery with a substantial capacity. Its 200Ah rating and approximately 2.56kWh nominal energy make it suitable for compatible solar, backup and off-grid applications.
Choose the Solarpex LiFePO4 battery for modern energy storage designed to support your power needs at home, at work or off-grid.





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