48V 3.8kWh* Commercial Battery

48V 3.8kWh* Commercial Battery

Fixed Battery Pack - Fi3.8

Seamless integration. One solution - multiple applications.

The Vanguard Commercial Battery with an integrated Battery Management System (BMS) is designed to power multiple commercial applications providing efficient power and performance. The CANbus-controlled Vanguard charger provides safe charging with the Vanguard special charge profile.

This is the next generation of integrated power. 
  • To learn more, download our literature here.

  • Features

    Increased Uptime

    Designed for a life of up to 2,000 cycles with no scheduled maintenance needs. All major components are serviceable and components and modules can be replaced rather than having to replace the entire battery.

    Assembled in the USA

    All battery packs are assembled at our advanced battery manufacturing facility in Tucker, Georgia.

    8 Year Commercial Limited Warranty

    Vanguard now offers an 8 year commercial limited warranty for all lithium-ion battery packs. CLICK HERE for more information.


    At least one product must be displayed. Please select another option to remove this product

    Fi Series Name
    Lithium-Ion, 14S
    Nominal Voltage (V)
    Top Voltage (V) per IEC 61960
    Top Voltage for EV-Applications
    Cutoff Voltage (V)
    Nominal Capacity per IEC 61960
    73.8 Ah / 3.80 kWh
    Communication Protocols
    J1939 (29-bit), CAN Open (11-bit)
    Discharge Temperature Range
    -30°C to +70°C
    Charging Temperature Range
    -10°C to +50°C
    Marketed Durability Hours/Cycles
    2000 cycles to 80% initial capacity
    Parallel Capable
    Yes, up to 10 batteries
    Standard Charge Time
    < 4.5
    Vanguard Charger Output Power (W)
    1050 W
    On-Board or Stand Alone
    Rated Discharging Current

    *Total energy measured using a 0.2C discharge per IEC 61960-3:2017

    Lithium-Ion VS. Lead Acid Batteries

    Email Newsletter Sign Up