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Home >> Porsche >> 2009 >> Boxster Base, Automatic DCT >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> 2X - Petrol, Exhaust, Engine-Electronic -- 987-BOXSTER-CAYMAN >> WM 2X00IN Battery Trickle Charging (All Models) >> Checking Battery Charging Condition With Battery Tester

Checking Battery Charging Condition With Battery Tester

  1. Check the battery charging condition according to the operating instructions for the relevant rapid-start battery charger.
OPEN-CIRCUIT VOLTAGE SPECIFICATION

Open-circuit voltage in volts Battery charging condition in % Evaluation and procedure
12.7 - 12.5 100 - 80 Battery charging condition OK
12.5 - 12.2 80 - 50 Battery charging condition reduced, recharge battery and observe an inactive period for two hours after charging. → WM 270601 CHECKING THE BATTERY
12.2 - 11.6 50 - 10 Battery flat; recharge battery and observe an inactive period for two hours after charging. → WM 270601 CHECKING THE BATTERY
below 11.6 below 10 Battery totally discharged; replace battery. → REMOVING BATTERY