Some of our thermostats have a Lithium Ion battery inside, it is used to keep the date and time settings in the thermostat in event of a power cut. It does not power the thermostat.
The battery is a CR1220
Some of our thermostats have a Lithium Ion battery inside, it is used to keep the date and time settings in the thermostat in event of a power cut. It does not power the thermostat.
The battery is a CR1220