How Long Does A Nest Thermostat Battery Last. If your HVAC is turned off or if there is a power outage and there isnt a continuous power supply to the Nest thermostat the Nest thermostat battery can last one to two hours. So to keep itself going the Nest.
But if the battery is fully drained it can take as long as 2 hours to recharge. If your HVAC system is turned off or there is a power cut the Nest Thermostats battery will keep the device working for another one or two hours. The Nest thermostat contains a rechargeable lithium ion battery.
The battery will drain slowly and require charging when you want to use the thermostat.
As already mentioned the thermostat charges the battery using the voltage in the connected wires. Insert the 2 new AAA alkaline batteries. How Long Does a Nest Thermostat Battery Last. The lifespan of the internal battery depends on the.
