Checking Charge State With Battery Tester
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2019 Porsche 911, 2018 Porsche 911, 2017 Porsche 911, 2016 Porsche 911, and 2015 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
Information
The instructions for working on the vehicle battery and the safety specifications in the document "General information on the vehicle battery" must be observed. → 2X00IN GENERAL INFORMATION ON THE VEHICLE BATTERY
- Check the charge state of the battery according to the operating instructions for the relevant rapid-start battery charger.
Evaluating the test results and further procedures:
| Open-circuit voltage in volts | Battery charge state in % | Evaluation and procedure |
|---|---|---|
| 12.7 - 12.5 | 100 - 80 | Battery charge state OK |
| 12.5 - 12.2 | 80 - 50 | Battery charge state reduced, recharge battery and observe an inactive period for two hours after charging. |
| 12.2 - 11.6 | 50 - 10 | Battery flat; recharge battery and observe an inactive period for two hours after charging. |
| below 11.6 | below 10 | Battery totally discharged; replace battery. → 270619 REMOVING AND INSTALLING BATTERY |