**Upgrade your EV or energy storage build with this professional-grade Orion BMS 2 Battery Management System by Ewert Energy Systems, one of the most trusted names seein lithium battery management technology. This is a high-capability unit supporting up to 96 cell taps, ideal for electric vehicles, solar storage, marine, and industrial battery pack applications.**

**We have all the popper connectors that insert into these BMS' but they will come with cut wires inserted in them still. If you'd like have these added to the delivery we can at no extra charge, but please note they will already have short wires connected that will have to be removed and the connectors re-pinned. These will save time sourcing new connectors for your project! Please leave us an Ebay message if you want these added to your order.**


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**Key Specs from Label (see close-up photos)**


- Brand: Orion BMS 2 by Ewert Energy Systems, Inc.

- Model: O2BXL96 (REV-A4)

- Serial: L5A4DB02

- Options: UL_CON

- Cell Tap Capacity: Up to 96 cells

- Input Power: 12V-24V DC, Nominal (9-30V)

- Certifications: FCC Part 15, CE, RoHS compliant

- Made in the USA

- Connectors: Three cell tap connectors (gold connectors only), Main I/O connector, Thermistor/Current Sensor connector


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**Pros, Key Features**


- Supports up to 96 lithium cell taps (LiFePO4, Li-Ion, LiPo, LiMnO2, and more)

- Rugged aluminum finned heatsink enclosure for thermal management

- FCC, CE, and RoHS certified for compliance in North America and Europe

- Wide input voltage range (9-30V DC) for flexible installation

- Onboard Main I/O connector for relay control, CAN bus, and digital I/O

- Dedicated Thermistor/Current Sensor connector

- Three cell tap harness connectors, labeled "Use Gold Connectors Only"

- Made in the USA by Ewert Energy Systems, a reputable BMS manufacturer

- Compatible with Orion BMS 2 PC software for configuration and monitoring (free download at OrionBMS.com)

- Widely used in EV conversions, custom battery packs, solar storage, marine, and motorsport applications


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**Manuals and Resources**


Manuals available on the Orion BMS website: search 'Orion BMS 2 wiring manual' to find them


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**Dimensions and Weight (Estimated)**


- Length: approx. 28 cm

- Width: approx. 13 cm

- Height: approx. 7 cm

- Weight: approx. 1.2 kg


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**Condition**


Clean used/salvage unit pulled from working equipment. The unit is in good cosmetic condition with normal scuffs and light surface marks consistent with prior installation. The warranty seal sticker is present. No visible cracks, burns, or physical damage to the housing or connectors. All three cell tap connectors and the main I/O and sensor connectors appear intact. Sold as-is for parts, repair, integration, or direct reuse by a qualified installer.


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**Buyer to verify compatibility with their specific battery chemistry, cell count, and system voltage before purchasing. Professional installation and configuration by a qualified technician is strongly recommended. Read the full Orion BMS 2 wiring and operations manual at OrionBMS.com before use.**


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Check out our other listings for more industrial electrical components, EV parts, sensors, relays, and automation equipment. We list new items regularly. Combined shipping available, a discount will be applied automatically at checkout for multiple purchases


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**Used, Salvage Item – Pulled from a Working Unit.**


This item is sold AS-IS with no warranty expressed or implied. No returns accepted. The seller makes no guarantees regarding fitness for a specific purpose or compatibility with any system. This is a high-voltage capable electrical device and must be installed and operated only by qualified professionals familiar with lithium battery systems and applicable electrical codes. The seller is not responsible for any damage, injury, or loss resulting from the use, misuse, or installation of this item. By purchasing, the buyer acknowledges and accepts all responsibility for safe and compliant use.




Tags: Orion BMS 2, O2BXL96, Ewert Energy Systems, lithium BMS, 96 cell BMS, EV battery management, LiFePO4 BMS, electric vehicle BMS, battery pack controller, li-ion protection, CAN bus BMS, EV conversion parts