Artisan Power Replacement Lithium‑Ion Battery 630 mAh for Nest 2nd & 3rd Gen Thermostat — TL284443 / T3007ES / T3008US / T4000ES / A0013

Direct replacement rechargeable Lithium‑Ion battery by Artisan Power for Nest 2nd and 3rd generation thermostats. 630 mAh capacity — approximately 10% greater than the original Nest cells — for extended runtime and fewer power interruptions. Compatible with part numbers TL284443, T3007ES, T3008US, T4000ES, and A0013. Designed for dependable everyday use, this upgrade delivers steady power to keep your thermostat running smoothly. Its higher capacity provides longer-lasting operation between charges while maintaining consistent performance. A rechargeable solution that helps cut waste and running costs — choosing this battery reduces disposable battery use and lowers your carbon footprint. Installation is simple: the pack includes a complimentary screwdriver and an adhesive backing to hold the battery firmly in place. Manufactured by Artisan Power, a specialist in replacement components, this battery reflects the brand’s focus on product quality and customer satisfaction.