Contacts on the circuit module provide the following connections:
- Direct cell connection to the battery pack (J1): BAT+, BAT–
- Direct system connection for charging and discharging (J2): PACK+, PACK–
- I2C™ communications via
external EV2400 to Windows-based PC USB port (J11): SDA, SCL, VSS
- Cell voltage sensing outputs (J7): BAT_SP, BAT_SN,