Tesla Model S Owners & Service Manuals

Tesla Model S: Charging the Battery

  1. Select Manual Mode from the Charge/Discharge Mode menu.

    Charging the Battery

  2. Type the desired SOC in the Target SOC% field, or drag the Target SOC% knob to the desired SOC.
  3. Turn on the HV power supply.

    Charging the Battery

  4. Release the emergency stop button by turning the knob counter-clockwise.
  5. When the green Ready light appears in the lower right corner of the software application, select the Start button. The Start button changes to a Stop button.
  6. The battery contactors close and charging begins. The pack current, charging indicator, estimated hours remaining, HV Power Supply Ready light, HV On light, and Max Current display on the right side of the window.

    Charging the Battery

  7. When the target SOC is reached, the tool automatically stops charging and opens the contactors. The charging operation can be manually stopped by pressing the Stop button in the software application. Note: The emergency stop switch on the charger/interface box can be used to immediately open the contactors in an emergency. Do not press the emergency stop switch except in an emergency, as it opens the contactors under load and disconnects power to the BMS, causing the Charger/Discharger Tool to lose communication with the BMS.
  8. When the operation is complete, make sure the contactor state is "Open", then engage the emergency stop switch.
  9. Wait until the voltage displayed on the HV DC Link Voltmeter is less than 5V, then shut down the PC.

    Charging the Battery

  10. Turn off all powered components.
  11. Disconnect the HV battery.



    Charging does not start. The green "Ready" light in the software application is dimmed. Check that the HV power supply is plugged in and turned on. Check the connections at th

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