Checking Charge State With Battery Tester
WARNING: This page is about a different car, the 2021 Porsche Macan, 2020 Porsche Macan, and 2019 Porsche Macan. However, it is still accessible from the selected car via links, so may be relevant.
- Check the battery charge state according to the operating instructions for the relevant rapid-start battery charger or battery tester.
Technical values
Open-circuit voltage in volts Charge state in % Evaluation and procedure 12.7 - 12.5 100 - 80 Charge state OK 12.5 - 12.2 80 - 50 Charge state reduced, recharge battery and observe an inactive period of two hours after charging. 12.2 - 11.6 50 - 10 Battery flat; recharge battery and observe an inactive period of two hours after charging. below 11.6 below 10 Battery totally discharged; replace battery.