• Residential Solar Batteries Off Grid Lithium Battery Bank 48 Volt 10 - 50KWh
    Residential Solar Batteries Off Grid Lithium Battery Bank 48 Volt 10 - 50KWh
    The BSLBATT residential solar battery is a rack-mounted module with dimensions of 4U and a voltage of 48V. It is based on LiFePo4 cell composition and is perfect for off-grid energy storage systems. BSLBATT 48V lithium solar battery offers outstanding flexibility and can be optimally adapted to any application. Its innovative technologies such as Advanced Tier One, A+ CATL LiFePo4 Cell Composition and BMS ensure outstanding efficiency and performance.
    • B-LFP48-4U
    • Product Description
    Product Description

    BSLBATT Off Grid Lithium Battery B-LFP48-4U

    We have developed a new lithium-ion battery specifically designed for solar power systems. Our battery utilizes high-quality 3.2V 100Ah LiFePO4 battery cells that offer excellent performance and durability.

    With the ability to parallel up to 50kWh, our battery can significantly expand the capacity of residential solar battery systems. Moreover, our advanced Battery Management System (BMS) can support 48 volt lithium batteries for multiple communications and inverter communication matching.

    This makes our 48V solar lithium battery an ideal solution for small businesses, large commercial operations, and off-grid homeowners looking for an energy efficient and cost effective battery solution that saves them time and money.

    In summary, BSLBATT off grid batteries are one of the most efficient and economical lithium iron phosphate batteries on the market, designed to provide reliable and high performance power for solar energy applications. Whether you're looking to power a small home or a large commercial operation, our deep cycle batteries have the flexibility and scalability to meet your energy storage needs.


    Residential Solar Batteries Off Grid Lithium Battery Bank

    home energy storage battery Product Highlights

    Module level auto-balancing

    Compatible with over 20 inverters

    Tier One, A+ Cell Composition

    5.12kWh expandable up to 50kWh

    AC Coupled for both new and retrofitted installations

    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

    ≥ 6000 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

    UL rated battery pack.


    1.It adopts lithium iron phosphate battery, which is environmentally friendly and safe.

    2.The service life is long, the product can be guaranteed for 10 years, and the service life is more than 15 years.

    3.Modular design, easy for customers to install and maintain.

    4.Small size, light weight, the same energy lithium battery, the weight and volume are 1/3 of the lead acid.

    5.The configuration is flexible, and different capacities can be configured according to customer needs.

    6.The power board and BMS can be easily replaced.

    48V li ion battery
    server rack lifepo4 battery

    Save up to 25% on your utility bills

    The BSLBATT 48 Volt residential solar batteries is the perfect way to automatically save money.

    Paired with solar power, it will help you pay the lowest possible cost for your energy. power your life with a smart, reliable and safe home battery storage system from BSLBATT.

    Compatible with 20+ Inverters

    BSLBATT off grid lithium battery uses a leading BMS and has developed its own programming to be compatible with more than 20 inverter brands. When the batteries are connected to different brands of inverters, the BMS automatically recognises the inverter communication protocol and matches it.

    lithium batteries for off grid solar

    The BSLBATT B-LFP48-4U 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 B-LFP48-4U. With the BSLBATT 5kWh home / Commercial Battery bank, you can use more clean energy in a more efficient way. This makes you more independent of daylight and utility power.


    lithium ion solar battery
    Model B-LFP48-200E B-LFP48-300E B-LFP48-400E B-LFP48-500E B-LFP48-600E
    Nominal voltage 48V / 51.2V(optional)
    Storage capacity 200Ah 300Ah 400Ah 500Ah 600Ah
    Internal resistance (AC) 10KWH 15KWH 20KWH 25KWH 30KWH
    Cycle life ≤60mΩ
    Design Life ≥6000 cycles @80% DOD,25℃,0.5C ≥ 4000 cycles @80% DOD,40℃,0.5C
    Capacity 10 - 20 Years
    Maximum Operating Current 53V ± 0.5V(15S);56.0V ± 0.5V(16S)
    Recommended charging voltage 150A 200A 300A 300A 300A
    Discharge cut-off voltage 45V ± 1.0V(15S);48V ± 1.0V(16S);
    Charging temperature range 0℃ ~ 60℃
    Discharge temperature range -20℃ ~ 60℃
    Storage temperature range -40℃~55℃ @ 60% ± 25% relative humidity
    Dimensions in mm 483*460(510)*186 483*460(510)*372 483*460(510)*558 483*460(510)*744 483*460(510)*930
    Weight 110kg 165kg 230kg 285kg 340kg
    Communication method RS232-PC,RS485(B)-PC RS485(A)-Inverter,Canbus-Inverter
    Number of parallel connections Supports up to 10 batteries in parallel
    Certification UN38.3,MSDS,UL1973(Cell),IEC62619(Cell)

    Strong & Durable Structure

    BSLBATT 48 volt home lithium battery adopts the patented rhombus Tier One, A+ LiFePO4 Cell Composition LiFePO4. The whole internal assembly from cells, modules, and BMS to components is screw fastening that presents the utmost safety and reliability.

    10kWh Powerwall battery

    Performance Characteristics

    solar battery cycle life lithium solar battery life
    48V lithium ion battery life home battery life

    The BSLBATT storage systems capture excess solar energy. This is so that they can provide power when it is needed most. This includes times 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. This portfolio is designed to provide homeowners and businesses with safe, reliable, and renewable power.

    As one of the top lithium ion solar battery manufacturers, we can custom different specification batteries. Voltage: 12 to 48V; capacity: 50Ah to 600ah.


    “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!”