Battery Trickle Charge

Battery

NOTE: To prevent contact corrosion, only approved screws, nuts, discs etc. should be used. These elements have a special surface coating and must be stored separately.

The battery is one of the most important electrical components in the vehicle. Fault-free functioning of the battery contributes greatly to customer satisfaction. To guarantee long and efficient operation, the battery must be checked and maintained according to the details in this chapter.

In addition to performing a starting function, the battery also acts as a buffer and supplier of electrical energy for the entire vehicle electrical system.

Battery trickle charge

NOTE:
- When working or carrying out tests on the Cayenne or when it is in the workshop, a battery charging device with a rated current of at least 40 A must be connected.
- As soon as the vehicle is unlocked, e.g. the vehicle is in the workshop or salesroom, it must be trickle charged with a battery charging device.

1. Switch off battery charging device.







2. Switch ignition off and remove ignition key.
3. Remove cover for jump lead starting terminals.
4. Open protective cover on the positive terminal -+- for jump lead starting -A-.







5. First, connect the positive cable from the charging device to the positive terminal for jump lead starting -+-.
6. Connect the negative cable from the charging device to the ground point for jump lead starting.
7. Set the charge current on the battery charging device according to the battery capacity.
8. Switch on battery charging device.

Connecting the battery to the trickle charge
A suitable battery charging device must be connected to the vehicle electrical system when performing the following tasks. All unnecessary loads must be switched off.
- When working on the vehicle for more than 15 minutes.
- When running a diagnosis using the Porsche System Tester.
- When adjusting the headlights.
- When working on or with the Infotainment system.
- If the doors, bonnet and rear lid are open for a long period of time or if these components are actuated frequently.