Since February this year, I have 3 Fibaro Smoke Sensor 2’s installed in my house. One in the kitchen, in the hall and the laundry room. The sensor in the kitchen is still using it’s original battery, currently at 65%. In the laundry room, I already had to replace the battery 3 times. And it is already low on power, I replaced the battery 11 days ago. In the hall, the battery has been replaced only once. On September 30th, I replaced the battery for a new one. On October 4th, it had drained to 5% which it still is at this moment.
The settings of all sensors is exactly the same. Could anybody help me out? Thanks! See chart below for the battery usage and the sensor settings.