Abus FU8150 Mode D'emploi page 10

Information on the battery
The device is supplied with direct current from a 3V lithium battery.
To guarantee a long service life and avoid fire and injury, please
note the following:

Do not dispose of the battery in domestic waste.

The battery must not be directly exposed to heat or sunlight,
and must not be stored in a place with a very high temperature.

The battery must not be burned.

The battery must not come into contact with water.

The battery must not be dismantled, pierced or otherwise
damaged. The battery contacts must not be short-circuited.

The battery must be kept away from small children.

The battery cannot be recharged.
Packaging
Keep packaging material and small parts away from children. There
is a risk of suffocation.