200mAh TL363844 Battery Replacement Compatible with Nest Learning Thermostat (1^st Generation) T100577.

• Replacement for the Following Battery Model/Part Numbers: TL363844.
• Intended for/Compatible with the Following Thermostat Models: Nest Learning Thermostat (Gen 1), T100577.
• 3.7V 200mAh .74Wh Lithium-Polymer Rechargeable Battery Pack.
• Includes Free Installation Tools.
• 1 Year Replacement Warranty. MPF Products® is a Registered Trademark.

PLEASE BE ADVISED: This battery is only available to be shipped to addresses located within the United States, the U.S. Territories and Canada. Due to current shipping restrictions we are unable to ship lithium batteries to other international countries at this time.