XB BMS

Made in the U.S.A.

Overview

The XB Battery Management System (BMS) is the proven control platform used across Lithion Solutions' packs.

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Proprietary to Lithion and fully developed in the U.S., the XB BMS combines in-house hardware and firmware engineering to deliver advanced monitoring, protection, and communication for systems ranging from 12 V to 1500 V.

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Features

Chemistry agnostic
Can operate packs and strings in series and parallel configuration
Designed in system redundancy for assured operations

Controls up to 5 system and 3 string-level contactors
Monitors up to 64 modules (12–48 V each) with 8 temperature sensors per module
High-accuracy measurements: ±2 mV cell voltage, ±20 mA current
Passive cell balancing (250 mA) with heating control
Built-in protection for over/under-voltage, isolation, and temperature faults
Dual-microcontroller safety with HVIL detection
Data logging and event recording via SD card
Real-time monitoring: SOC, SOH, cell voltages, and temperature limits
Supports multiple communication protocols: CANBus, Ethernet, RS485, Modbus TCP, CANopen
Compact, stackable design for integration into battery packs or power distribution units

XB BMS

Overview

Features

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