• 20KWh 48V 400Ah Wheel Design Lithium Battery System Storage BSLBATT
    20KWh 48V 400Ah Wheel Design Lithium Battery System Storage BSLBATT
    The BSLBATT 20 kwh lithium battery storage cabinet enforces the technical innovations, as by the specially developed by BSLBATT Lithium unique active bidirectional transmission optional battery management system (BMS) new standard for modularity and Efficiencies. Because of the special control, the cells are optimally charged and discharged to ensure a long shelf life.
    • B-LFP48-400PW
    • Product Description
    Product Description

    Clean energy for you or all – this is how it works

    20 kWh BSLBATT Lithium Battery LFP-48

    20kWh battery system


    The BSLBATT Powerwall Lithium Battery is an 20.5 kWh 48V Lithium Iron Phosphate (LFP) Battery with a built-in battery management system and LCD screen that integrates and displays multilevel safety features for excellent performance. The BSLBATT Powerwall Lithium Battery is maintenance-free and easy to integrate with solar or for independent operation to deliver power to your home day or night. Designed for backup power, off-grid, time of use, and self-use applications, the BSLBATT Lithium is consistently reliable and will keep your solar system operating during a power outage, or will use the energy stored from the daytime to power your home at night.

    battery powered homes


    The built-in battery management system integrates with multilevel safety features including overcharge and deep discharge protection, voltage and temperature observation, over current protection, cell monitoring and balancing, and over-heat protection. This high-performance BSLBATT Lithium Battery has a large power capacity, with a fast charging and continuous discharge power, providing 98% efficiency. The advanced Lithium Ferro Phosphate (LFP) technology operates a wider temperature range to deliver the most dependable performance. LFP has been proven to be one of the safest Lithium technologies in the industry and is manufactured to the highest standards.


    The BSLBATT 20.5 kWh 48V Lithium Iron Phosphate (LFP) Battery stores electricity from solar, wind, diesel/gas generators, the grid or any combination. Programmable for time-of-use, peak-shaving, self-consumption, and back-up power. The system features an internal transfer switch that automatically disconnects from the grid during power outages and provides standby power for critical circuits. 


    BSLBATT Power


    The BSLBATT monitoring and control system allows the owner to view real-time status with hands-on control, as well as track and manage individual system performance or a network of dispersed systems from any internet connected device, from anywhere in the world. It also will provide the owner with email notifications and alerts on the system performance and health. Simple and safe, the system requires no maintenance, thermal monitoring, cooling, fire suppression, or ventilation equipment. 

    The BSLBATT LFP-10 is the ideal energy storage solution for grid-tied or off-grid solar installations. Lower your utility bill by avoiding the need to buy electricity at peak times with the BSLBATT Lithium Battery LFP-10. Order online or by PHONE +86 752 2819469

    Regardless of what BSLBATT Lithium battery model you choose – we guarantee that you will get the best possible solution for your needs!

    48V 400Ah 20KWH Wheel Design Lifepo4 Battery System Storage

    Product Highlights

    ● Non-Toxic & Non-Hazardous Cobalt-Free LFP Chemistry

    ● No Thermal Runaway with Fire Propagation

    ● No Heat Generation, Mitigation, Thermal Monitoring or Toxic Cooling

    ● Extended Operating Temperature -4 to 140F

    ● 98% Efficiency Rate

    ● Fast Charge & Discharge Rates

    ● 10,000 Cycle Life with a 10 Year Warranty

    ● Cycle One to Several Times Per Day

    ● Seamless Integration with All Industry Standard Inverter/Charge Controllers

    ● Built-In Safety – BMS with Breaker On/Off Switch for Shipping & Installation

    ● Modular, Scalable & Proven Performance

    ● Made in China.



    Model                                             BSLBATT 20 kwh lithium battery

              Electrical Characteristics

    Nominal Voltage 48V(16S4P)
    Nominal Capacity 400AH
    Energy 20420WH
    Internal Resistance ≤40mΩ
    Cycle Life ≥6000 cycles @ 80% DOD, 25, 0.5C ≥5000 cycles @ 80% DOD, 40, 0.5C
    Design Life ≥10 years
    Months Self Discharge ≤2%@25
    Effificiency of Charge ≥98%
    Effificiency of Discharge ≥100% @ 0.2C ≥96% @ 1C



    Charge Cut-off Voltage 54.0V±0.1V
    Charge Mode 1C to 54.0V, then 54.0V charge current to  0.02C (CC/CV)
    Charge Current 200A
    Max. Charge Current 250A
    Charge Cut-off Voltage 54V±0.2V(Floating charge voltage)


    Continuous Current 200A
    Max. Continuous Discharge Current 250A
    Discharge Cut-off Voltage 38V±0.2V


    Charge Temperature 0~60℃ (Under 0 extra heating mechanism)
    Discharge Temperature -20~60℃ (Under 0work with reduced capacity)
    Storage Temperature -40~55 @ 60%±25% relative humidity
    Water Dust Resistance Ip21 (The battery cabinet supports Ip55)


    SOC Light 6 * LED
    Display Screen LCD(Optional)
    Limit charge current 20A

    Strong & Durable Structure

    BSLBATT Wall-mounted home lithium battery adopts the patented rhombus 18650 LiFePO4 cells. The whole internal assembly from cells, modules, BMS to components are screw fastening that presenting utmost safety and reliability.

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                                       Performance Characteristics

    Powerwall Long Life
    Powerwall Different current
    Powerwall Charging

    10-year warranty

    The BSLBATT storage systems capture excess solar energy to provide power when it is needed most—when the power goes out, when electricity prices spike, or when the sun isn’t shining. BSLBATT curates a portfolio of hardware options from internationally recognized battery and power electronics suppliers in order to provide homeowners and businesses with safe, reliable, and renewable power.


    “BSLBATT batteries eliminated the most difficult challenges we face when building microgrids in remote tropical locations. The batteries are much easier to transport and they have a good chance of lasting the entire 20 years. This means BSLBATT batteries generally pay for themselves in under 4 years!”