https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-T-stat-Not-Working/m-p/633550#M122958 <P>T'STAT says it needs to shutdown</P><P>to recharge battery. Worked perfectly for 6 years. Never got this message before.</P><P>There's a USB connection</P><P>on back of t'stat. Can that be used to recharge battery? Plugged in low voltage charger and green light is flashing in top of t'stat. Red light never came on indicating recharge needed. Never indicated a problem of any type. It's quite warm on ground floor of my home.</P> Fri, 26 Jul 2024 21:57:49 GMT BC54 2024-07-26T21:57:49Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-T-stat-Not-Working/m-p/633550#M122958 <P>T'STAT says it needs to shutdown</P><P>to recharge battery. Worked perfectly for 6 years. Never got this message before.</P><P>There's a USB connection</P><P>on back of t'stat. Can that be used to recharge battery? Plugged in low voltage charger and green light is flashing in top of t'stat. Red light never came on indicating recharge needed. Never indicated a problem of any type. It's quite warm on ground floor of my home.</P> Fri, 26 Jul 2024 21:57:49 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-T-stat-Not-Working/m-p/633550#M122958 BC54 2024-07-26T21:57:49Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-T-stat-Not-Working/m-p/633913#M123043 <P>You can charge from the USB, but after 6 years the battery has probably expired. They do fail after time like any type of battery.</P> Mon, 29 Jul 2024 01:41:43 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-T-stat-Not-Working/m-p/633913#M123043 Frustratedddd 2024-07-29T01:41:43Z