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Home >> Porsche >> 2021 >> Panamera Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (2X Petrol, Exhaust, Engine-Electric - General 3.0L Turbo -- 971 - PANAMERA (971)) >> WM, 2X00IN Battery Trickle Charge >> Checking Charge State With Battery Tester

Checking Charge State With Battery Tester

WARNING: This page is about a different car, the 2020 Porsche Panamera, 2019 Porsche Panamera, 2018 Porsche Panamera, and 2017 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check the battery charge state according to the operating instructions for the relevant rapid-start battery charger or battery tester.

    Evaluating the test results and subsequent procedure: 

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.
> WM, 270619 REMOVING AND REINSTALLING BATTERY
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