Orion BMS 2
Orion BMS 2
Orion BMS 2
Orion BMS 2
Orion BMS 2
Orion BMS 2

Orion BMS 2

Regular price $1,084.00 Save $-1,084.00
Tax included. Shipping calculated at checkout. Shipping Policy


1.  Before ordering your BMS, here's a great and easy  Orion Wiring Diagram Generator to help confirm what size BMS is required for your application.
2. Splitting batteries between two or more enclosures in separate parts of a vehicle? Consider using Expandable and Remote Orion BMS units to create a distributed system and keep your cell taps short. Contact us for more information.
3.  For the purposes of diagnostics and initial configuration of the unit, this CAN adapter is required. 
4.  If your order includes an Orion BMS Thermistor Expansion Module, you may want to get a current sensor harness without the 8 stock thermistors included.  Let us know and we can make the change to your BMS order - saves $25
5.   12-foot cell tap harness available upon request
6.   Please see BMS return policy in our Terms and Conditions
7.  The 72S cell configuration has a minimum order quantity of 5 units.


The Orion BMS 2 can protect anywhere from 24 to 180 cells, for 1-16 cells, see the Orion Jr BMS.  The Orion implements an extensive list of features designed to protect the battery pack. These features include:

  • State of charge calculations
  • Cell over-voltage and under-voltage protection
  • Intelligent battery balancing (passive)
  • Battery charger control
  • Pack temperature monitoring
  • Monitors health of battery pack

Cells are protected from over-voltage, under-voltage, over-current, over-temperature, and under-temperature based on the programmed minimum and maximum values in the battery profile.

Intelligent, efficient cell-by-cell balancing is provided to maximize the usable range of the battery. The BMS also monitors the health of both individual cells and the total pack and will trigger error trouble codes if either the pack or individual cells are in poor health.

The Orion BMS 2 is the second generation of an already popular and successful product, and boasts quite a few significant improvementsincluding a much lighter, smaller design, improved accuracy, additional inputs and hardware support for SAE J1772 charging protocol.

This BMS can be easily installed inside our Modular Battery Boxes by using an Isolated Component Mounting Tray.

Product specifications (pdf)

Wiring and installation manual (pdf)

Orion Return Policy (pdf)

You may also like