Audi Workshop Service and Repair Manuals > A4 Mk3 > Vehicle electrics | Electrical system; General information | Starter-current supply-CC | Non maintenance-free batteries (without "magic eye")

Checking non maintenance-free batteries

WARNING

Risk of injury and explosion.

Observe warnings and safety regulations → Chapter.

Perform tests in the following order:

1.	Visual inspection → Chapter

2.	Checking electrolyte level → Chapter

3.	Checking battery using battery tester with printer -VAS 6161- → Chapter or using battery tester with printer -VAS 5097A- → Chapter or measuring relative density of electrolyte → Chapter.

4.	Further procedure depending on result of battery check using battery tester.

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