48V 1.5kWh* Commercial Battery

48V 1.5kWh* Commercial Battery

Swappable Battery Pack - Si1.5

  • Same Battery. Multiple Applications.
  • Ability to swap out from application to application on the jobsite to reduce downtime.
  • Independent paralleling provides the ability to connect multiple batteries easily to get the power you need.
  • Features

    Reliable and Durable

    Withstands abuse, debris, water, and dirt.


    Ability to swap out from application to application on the jobsite to reduce downtime. This allows the user to easily remove batteries without causing strain or injury.

    Brand/Equipment Agnostic

    Works across multiple product platforms in a wide range of markets providing flexibility and cost efficiencies.

    Advanced Manufacturing in the USA

    Our new automation facility in Tucker, Georgia produces batteries with quality consistency.

    Zero Emissions

    Supporting a greener environment and the ability to work indoors.

    Increased Operator Comfort

    This is a result of less noise, vibration, and harshness on equipment operators.

    Assembled in the USA

    The Si1.5 is designed, engineered, and assembled in the USA.

    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.


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    Si Series Name
    Nominal Voltage (V)
    Top Voltage (V) per IEC 61960
    Top Voltage for EV-Applications
    Cutoff Voltage (V)
    Nominal Capacity per IEC 61960
    29.4 Ah / 1.51kWh
    Communication Protocols
    CANJ1939 (29-bit, 500kbps)
    Discharge Temperature Range
    -40°C to +60°C
    Charging Temperature Range
    0°C to +45°C
    Marketed Durability Hours/Cycles
    Up to 1,000 cycles to 80% initial capacity
    Parallel Capable
    Yes, up to 10 batteries (Coming 2024)
    Standard Charge Time
    < 2 hours
    Vanguard Charger Input Power
    <12A, 120V, 60HZ/220V, 50HZ
    Vanguard Charger Output Power (W)

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

    Lithium-Ion VS. Lead Acid Batteries

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