FS-XT by Maxwell: Advanced Distributed BMS for High Voltage Systems

A scalable and intelligent BMS designed for commercial EVs, industrial storage, and backup battery systems.

What is FS-XT?

A stackable, master-slave distributed BMS

Engineered for industrial machinery, energy storage, and commercial EVs, FS-XT supports systems up to 900V and features a 120A continuous current rating. Its master unit manages up to 40 slaves via state-of-the-art isoSPI communication, featuring insulation monitoring, system interlock, and contactor weld detection.

6S-18S

Cells in Series

1-5 VDC

Voltage range

2%

SOC accuracy

CAN & BLE

Communication supported

Product capabilities &
features.

01.
Dynamic paralleling

Maxwell’s proprietary algorithms achieve dynamic battery swapping (hot-plugging) using auto-addressing. Scalable architecture supports up to 18 batteries in parallel.

02.
MOSFET based SSR

The FS-XT is designed with integrated MOSFET-based Power Distribution boards up to 120 Amps continuous currents.

03.
Data first approach

The FS-XT enables you to monitor and log over 65+ battery params every second & transmit via BLE, 4G or CAN

04.
Thermal runaway detection
05.
Configurability

Configure 300+ BMS parameters to tweak performance, safety and usability as per your unique application and system requirements.

06.
Configurable CAN

FS-XT's CAN communication protocol is user-configurable for easy interfacing with external CAN nodes.

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