Product Information
XMB-9640 Module Balancer for EV Batteries 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
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
Key Product differentiations
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

- 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
Dimensions
- 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)
Connectivity
- Wi-Fi
- 802.11 b/g/n 2.4GHz
- Security – WEP, WP, WPA-2 Enterprise
- Serial CAN bus interface
Charging Parameters
-
- Max Voltage – 96 VDC
- Max Current – 40A from 0-48V; and 20A from 48V – 96V
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