Workhorse™ Series 3

The industry’s most technologically advanced and dependable heavy-duty charger for multi-shift applications requiring a full battery recharge in less than eight hours.

Features & Benefits

  • Fully integrated microprocessor control for automatic dv/dt di/dt termination
  • Interface jack for remote control and monitoring options
  • Automatic refresh charge every twelve hours
  • Charge time of eight hours or less on a fully discharged battery
  • Auto start with five second delay
  • Selectable delayed start from one to nine hours
  • Battery protection with override timers, wrong battery sensing and negative charge slope termination
  • Automatic shutdown for the following conditions:
    • 80% charge does not occur in nine hours
    • Final charge is not reached six hours after 80% (gassing point)
    • Volts per cell are too high or too low
    • Charging current is too low
    • Battery cable is disconnected while charging
  • Ferroresonant tapered charge for optimum battery and charger life
  • Selectable 80% voltage of 2.37 or 2.45 volts per cell
  • Four position Digital display for showing:
    • Charge current
    • Equalize in process
    • Fault diagnostics
  • LED test button
  • Charger data monitor button
    • Provides AH returned, Total charge time, Average volts per cell
  • Cool down timer initiates at the end of charge
  • Red push button for manual shutdown
  • Manual jump start for over-discharged batteries
  • Manual and or Automatic equalization
  • Ten foot long output cables for added flexibility
  • Numerous Output connectors available as standard

Product Safety

  • UL Listed
  • UL Listed to Canadian Safety Standards

Optional Features

  • Wall Mount brackets available
  • Remote Control Box available
  • Fungus protection available
  • Real Time Clock Control
  • 50HZ models available
  • Water signal (driver circuit and valve available as options)
  • Series and Parallel output cables available

Download PDF Manuals

WorkHorse Series 3 Manual
WorkHorse Series 3 415V 50Hz Manual

Download PDF Spec Sheet

Single Phase Spec Sheet


Download Sell Sheet

In an effort to reduce our impact on the environment, we have sell sheets and manuals available for download from the links above. If you require high resolution, print quality versions, please make your request by emailing

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All major credit card accepted. Leasing also available