Climasens drains batteries

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Hi,

For the temperature outside I use the Climasens (with the climasens plugin).
Regarding the description the battery should last several years but my battery is drained in a week.

I use the BLE Module with a BME280. The BME280 does not have a voltageregular and I don’t use the light sensor.

So what is wrong?
Are there other wireless solutions to get the temperature from outside (the sensors in “Supported devices (plug and play)” are hardly available anymore…

Thanks in advance.

Meanwhile i´m using for nearly everthing MQTT and Tasmota. Mysensors is an option too.
But with MQTT you have a huge pallete of devices besides what pimatic can handle.

Easiest way: Sonoff with Tasmota flashed and a DHT22 connected (needs 230V).

More work: Battery powered ESP8266 with DHT22 with Tasmota flashed.

Even more work: Battery powered ESP or Arduino + NRF24L01+ with MySensors + MySensors Gateway . Even LORA possible (many km´s distance)