Xiaomi JY-GZ-01AQ smoke detector battery status

[Eriksen (Erik)]

Hi all.

I got a Xiaomi JY-GZ-01AQ smoke detector a few weeks ago. It started beeping indicating that the battery was low, even if it is brand new, so I changed the battery to a fresh one. Still, the battery status in HA is 0%, and the detector beeps indicating that the battery is low.

I updated the FW following this guide:

ZHA OTA Firmware Update / Upgrade

Hi all, I had a problem with my Aliexpress Tuya TS011F / TZ3000 Zigbee plug that it randomly turned off. Spending some time in Google found people suggesting that a firmware update solved it for them. This guide should work for any OTA update available and not only for this specific plug Since I don’t have a Tuya Zigbee Hub I had to update the firmware with ZHA, which involves a few steps and wasn’t obvious for me. This post aims to explain step by step how to update the plug’s firmware. St…

Using a FW file from:
https://github.com/Koenkk/zigbee-OTA/tree/master/images/Xiaomi

I’ve tried re-adding the smoke detector.

Has anyone else encountered this? Or know of any fix?

[Siumba]

Same issue for me, did you find a solution?

[Eriksen (Erik)]

Yes, I got a new one on warranty and the new one is fine.

[mager (Martin Gerken)]

I got this from the Aqara brand and experienced the same with Z2M. Upgrading Z2M fixed that (a wrong conversion from voltage to % was used, so they only appreared to be low on battery)