Aqara & Xiaomi Zigbee Battery Types: The Complete Guide
Which battery does your Aqara or Xiaomi Zigbee sensor take, why Zigbee2MQTT's battery % reading isn't reliable, and when to actually replace it.
Which battery does your Aqara or Xiaomi Zigbee sensor take, why Zigbee2MQTT's battery % reading isn't reliable, and when to actually replace it.
Aqara's five door/window sensors look alike but expose different data in Zigbee2MQTT. What changed each generation, and which to buy for a local setup.

Your Zigbee sensor reads 31°C indoors? That's device_temperature, chip heat, not the room. How to tell which attribute your device really reports.