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  • Solar Standby & Backup Power



The FB-5100S is a robust 5.1kWh rack mount residential ESS Lithium-ion Battery.



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    The FB-5100S is a versatile and powerful Lithium-ION battery designed for use in solar and backup power systems. With a voltage of 51.2V and an amp-hour rating of 100Ah, this battery can power a wide range of applications. Measuring 442mm in length, 500mm in width, and 133mm in height, this battery is compact and easy to install.

    Important Note: Lithium-ION batteries can be sensitive to extreme temperatures. Recommended operating temperatures – Charging: 0℃ to 50℃ – Discharging: -10℃ to 50℃.


    • Voltage: 51.2V
    • Amp-hour rating: 100Ah
    • Size: 442mm x 500mm x 133mm


    • A versatile and powerful battery that can power a wide range of applications
    • Capable of delivering reliable and high-performance power for solar and backup power systems
    • Easy to install
    • Backup power for large commercial and industrial buildings
    • Solar power systems for remote telecom equipment and cell towers
    • Emergency backup power for hospitals, schools, and other critical infrastructure”

    Additional information

    Weight 42 kg
    Dimensions 442 × 500 × 133 mm

    Item code: CFEESS5100S
    Warranty: 10 Year or 6000 cycles Warranty
    Model: 51.2 VOLT
    Power Capacity: 51.2V 100Ah LITHIUM-ION
    Ah Rating: 100
    Wh Rating: 5120

    User Manual 5100S

    User Manual 5100S




    Please note that this information is meant to serve as a general guide. It is crucial to verify the compatibility of the battery with your specific vehicle before making a purchase.

    Always follow the manufacturer’s recommendations for the appropriate battery type and size for your vehicle. It is essential to consult your vehicle’s owner’s manual or consult a professional technician to ensure the correct battery application for your specific vehicle make and model.