Maintenance Charging

Maintenance Charging


Risk of injury. Observe warning notes and safety precautions. Refer to => [ Battery Safety Precautions ] Battery Safety Precautions and => [ Battery Safety Designation ] Battery Safety Designation!


Batteries that have a colorless or light yellow visual indicator do not have to be tested or charged. Jump starting must not be used!

There is a risk of explosion during testing, charging or jump starting.

These batteries must be replaced.

• If battery is discharged by an electrical consumer during charge retention, the (VAS 5903) automatically supplies the corresponding charge.

• Charge retention can be performed without time restrictions.

• The battery can be used constantly.

• Observe the maintenance notes of the battery manufacturer.

If the battery is fully charged, the (VAS 5903) begins to sustain the charge.

- Proceed as when charging the battery. Refer to => [ Battery, Charging ] Battery, Charging.

With a charge status of 100%, all bars are indicated on the display.