Get an alarm if the power is cut off

Is it possible to get an push notis if the power is cut off in the W500 thermostat?

Yes, if your hub still has power, then it can send you a notification if a device goes offline.

In your hub settings you may toggle “Device Offline Notification”

If you fear your hub may also lose power, you may consider using a UPS power supply, it will probably last for hours in case of a hub + an internet router (you still need the internet connection to send a notification)

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Hello, welcome to the forum. Unfortunately, it is impossible to receive such a notification promptly. I use an alternative method of using a leak sensor to control the presence of industrial voltage. This works with 100% reliability, in my smart home to switch to alternative lighting. Here I described how my know-how was implemented.
__My Smart Home. Alternative use of a leak sensor for emergency lighting (24 volts)
__Alternative use of the Aqara leak detector

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