High-Voltage Module Balancer

xMB-9640 High-Voltage Module Balancer represents the third generation of Midtronics EV battery service tools, enabling technicians to quickly, efficiently and safely perform module-level balancing of EV and HEV batteries.

  • Balances battery pack modules to ensure optimal pack operation, safely and efficiently charging or discharging individual modules to bring the pack into alignment and enable a better customer experience
  • Easy user interface and on-screen prompts guide accurate service
  • Compact footprint for more mobility within the shop


  • Up to 96Vdc; 40 amps max
  • 5-inch color touchscreen and easy-to-use icon-based user menu
  • Automatic cable and module detection
  • Option to operate using either touch-screen or keypad
  • Cell voltage and temperature monitoring
  • CAN communication
  • Wi-Fi and Bluetooth communication

Battery Management Processes

Midtronics products are designed to meet a variety of battery and electrical system service requirements, but selected features on individual products may make them a better fit for your unique service applications. This product is particularly well-suited for these battery management processes:

Primary Uses

EV Battery Module Balancing


Module-level Service for Faster, More Cost-Effective Maintenance

With growing market acceptance of EV/HEV vehicles, the demand for high-voltage battery packs and longer range battery capacity will continue to grow. The xMB-9640 offers a distinct competitive service advantage, enabling shops to safely and accurately complete most module service in one work day.

By supporting module-level vs. full battery pack service, the xMB-9640:

  • Simplifies service
  • Controls manufacturer warranty costs
  • Decreases repair time
  • Reduces customer expense

Analytics and Communication

  • BMIS integration supports automated over-the-air software updates and analytical reporting
    • Capture and review battery testing data
    • Visibility into process compliance
    • E-mail results via built-in Wi-Fi


  • Height: 9.37” in (23.8 cm)
  • Width: 17.25” in (43.81 cm)
  • Depth: 17.82” in (45.26 cm)
  • Weight: 37.4 lbs (21.55 kg)


  • Wi-Fi
  • 802.11 b/g/n 2.4GHz
  • Security – WEP, WP, WPA-2 Enterprise
  • Serial CAN bus interface


    • Max Voltage – 96 VDC
    • Max Current – 40A from 0-48V; and 20A from 48V – 96V

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Midtronics works closely with individual customers to develop custom xMB-9640 solutions. Please contact your Midtronics account manager for more information.