What batteries does the Ib1c91 Bliss Wifi Chrono Thermostat use, and how long do they last?
The thermostat is powered by 4 alkaline batteries, 1.5V type AA. Battery life is approximately 1 year, or over 1 year depending on the mode set by the app. Battery life depends greatly on Wi-Fi connection times. (Pages 4, 17)
From the official Finder IB1C91 Bliss Wifi Chrono Thermostat manual, page 4
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