One battery is provided with the Gigaset 4000 Micro, while two are provided with the Gigaset 4000 Comfort. The batteries are supplied uncharged. They are charged in the handset. 

Note:    Please observe the safety notes on the back cover. Only use approved batteries (). Open the battery compartment in a dust-free environment only. Your telephone directory entries and all settings remain stored even if you remove the batteries. The date and time settings will be reset.

Opening the battery compartment 

Unscrew the battery compartment lid with a coin, for example (1), and remove it (2). 

Inserting the battery 

Insert the permitted battery (3). 

Closing the battery compartment  

Replace the lid (4), slide it back over the battery compartment (5) and screw it on tightly (6).