If your Gigaset Smart Home system tells you that the battery of a Gigaset sensor (universal / door / window/ motion / water / climate / button) is almost empty, please replace it with an original battery. You can obtain these from our Gigaset Online Shop.
Alternatively, you can use a lithium CR-123A 3V battery. These are available at the usual electronics stores. The following batteries have been tested by Gigaset and can be recommended for use with our products: