After the vacuum cleaner has finished charging, the spare battery will start charging.
One or two batteries are provided. The number of batteries varies depending on the model purchased.
Lift the front of the control panel located at the top of the charging station.

To insert, align the battery with the outline of the battery charger.

Press the battery down into the compartment.

If the spare battery is inserted correctly, the spare battery icon will be displayed. The spare battery charging begins after the vacuum cleaner battery charging is complete.
Insert the spare battery completely. If the spare battery is inserted correctly, the spare battery icon will be displayed.