Use Power Supply to test and maintain battery voltage in a vehicle at 13.5 volts to allow for uninterrupted reprogramming of vehicle’s computer, retain vehicle system settings, or simply to maintain battery voltage.
At any time during the test, tap 
to return to the previous screen; or 
to return to the Main Menu.
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Connect the Diagnostic Device test clamps to the battery.
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At the Main Menu, tap Power Supply. The Power Supply screen is displayed.
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Enter the battery information and power supply parameters. If the displayed information is correct, tap Start to begin. The charger goes through a series of steps to determine the overall condition of the battery before applying power supply. Those steps include measuring ambient temperature, Cranking Health, Reserve Capacity, Charge Acceptance, and applying a Load Test on the battery.
- Test results are displayed on the charger screen.
To send the test results to a configured printer or via email, tap Send Results and select an option. To return to the Home Screen, tap Done or to return to the Main Menu.