Eve Smoke has a battery life of 10 years.
Once the batteries are discharged, you will not be able to continue using Eve Smoke.
It is not possible to change the batteries, they are soldered on the electronic board.
The sensors also have an effective life span of 10 years.
For safety reasons, when the battery is depleted after 10 years of use, you will need to buy a new smoke detector and stop using your Eve Smoke. Then, you can have it recycled along with other electronic waste.