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Home >> Porsche >> 2021 >> Macan Turbo >> Repair and Diagnosis >> General Information >> Electrical >> 2X Petrol, Exhaust, Engine-Electric - General 2.9L -- 95B - MACAN (95B) >> WM, 2X00IN - Battery Trickle Charge >> Checking State Of Charge Using Battery Tester >> Checking Charge State With Battery Tester

Checking Charge State With Battery Tester

  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.
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