Fortress Power Lithium Iron Phosphate Battery LFP-10

This High-Performance Fortress Lithium Battery is easy to install, safe, and consistently reliable. It provides the lowest lifetime energy cost for both new solar customers and retrofit customers.


Fortress Lithium Battery has a Battery Management System that integrates multilevel safety concepts:

  • Overcharge and Deep Discharge Protection
  • Voltage and Temperature Observation
  • Cell Monitoring and Balancing
  • Built-in accessible 150 Amp DC breaker On/Off switch

Easy to Integrate with Solar or Operate Independently to Provide Your Home Power Day or Night:

  • Keep your solar system operating during a power outage
  • Use energy stored during daytime for powering your home at night
  • Lower your electric bill by avoiding the need to buy electricity at peak times
  • Curtail demand charge for your business
  • No maintenance and operation costs
  • High Performance:

    • Large power capacity, with a fast charging and continuous discharge power, creating an 98% round-trip conversion.

    Consistent Reliability:

    • The advanced Lithium Ferro Phosphate (LFP) technology operates a wider temperature range to provide the most dependable performance.

    Superior Safety

    • Manufactured at the highest standards.
    • LFP is proven to be one of the safest Lithium technologies in the industry.

    Easy to Install

    • The compact design saves space and can be conveniently installed.

    Additional information

    Weight 210 lbs
    Dimensions 17.3 × 9.4 × 33.8 in

    Fortress Power



    Rated Power Output [W]


    Warranty [Years]




    Fortress Power is a leading provider of energy storage solutions for solar consumers. Their products, including the Fortress Power eFlex and Fortress Power eVault, are designed to provide reliable and cost-effective energy storage for homes and businesses. The eFlex is a modular battery system that can be expanded as needed to meet changing energy demands, while the eVault is a high-capacity battery designed for longer-term energy storage. Both products offer features such as remote monitoring and easy installation. Fortress Power's commitment to quality and sustainability, as well as their focus on customer service and support, make them a trusted choice for solar energy consumers in need of energy storage solutions.