Orion 2 BMS – Battery Management System


  • 500 Amps
  • 1000 Amps
  • 2000 Amps
  • 6ft
  • 12ft
  • 36
  • 72
  • 96
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Orion 2 BMS 36 Cell – Battery Management System

Orion BMS Protects and Monitors Li-Ion Battery Cells for EV and Hybrid Applications Including:

  • Thermal Management
  • Voltage and Current Monitoring and Protection
  • Smart Cell Balancing State of Charge via Coulomb Counting
  • Internal Resistance Data Advance
  • Isolation Fault Protection



  • SOC Display with Data Logging
  • Cell Tap Wiring Validator
  • Thermistor Expansion Module
  • Orion BMS Connect (OS X and Windows Compatible, smartphones, tablets)


Accessories Included

  • CANdapter
  • Current Sensor
  • Cell Tap Wiring Harness
  • Orion Main I/O Wiring Harness or Zero EV Main I/O Harness with Low Voltage Junction Box
  • Current Harness
  • User Interface Software (always have the most updated software)


Whats New

  • Roughly 40% lower weight on all models due to the new enclosure design and streamlined (removable) heatsink. Minimum heat dissipation requirements apply.
  • Considerable boosts in measurement accuracy and processor speed allow for more advanced calculations and logic.
  • Direct hardware support for several popular charging protocols including hardware support for SAE J1772 (directly interfacing with the pilot / proximity lines) and CHAdeMO for DC fast charging.
  • Wider input power voltage range (now 12v-24vDC compatible) for better support on heavy vehicles and equipment. The Orion 2 BMS remains fully compatible with 12v applications.
  • Ability to directly drive certain contactors on select inputs (bypassing the need for intermediate signal relays in some situations) see supporting documentation for details.

Additional information

Weight 1.13 kg
Dimensions 182 × 171 × 61 mm
Current Sensor

500 Amps, 1000 Amps, 2000 Amps

Cell Tap Harness

6ft, 12ft


36, 72, 96


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