---
product_id: 632120555
title: "TL284443 Battery, 980mAh Ultra High Capacity Li-Polymer Battery Replacement Compatible with Nest Learning Thermostat 2nd 3rd Generation, T3007ES, T3008US, T4000ES, A0013 with Repair Tools"
brand: "kooaqq"
price: "€ 32.00"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.fi/products/632120555-tl284443-battery-980mah-ultra-high-capacity-li-polymer-battery-replacement
store_origin: FI
region: Finland
---

# 3.7V Output 980mAh Capacity Multiple Safety Protections TL284443 Battery, 980mAh Ultra High Capacity Li-Polymer Battery Replacement Compatible with Nest Learning Thermostat 2nd 3rd Generation, T3007ES, T3008US, T4000ES, A0013 with Repair Tools

**Brand:** kooaqq
**Price:** € 32.00
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Nest: Never Miss a Beat!

## Quick Answers

- **What is this?** TL284443 Battery, 980mAh Ultra High Capacity Li-Polymer Battery Replacement Compatible with Nest Learning Thermostat 2nd 3rd Generation, T3007ES, T3008US, T4000ES, A0013 with Repair Tools by kooaqq
- **How much does it cost?** € 32.00 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/632120555-tl284443-battery-980mah-ultra-high-capacity-li-polymer-battery-replacement)

## Best For

- kooaqq enthusiasts

## Why This Product

- Trusted kooaqq brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **⚡ Stay Charged:** Enjoy a reliable 3.7V output that keeps your thermostat running smoothly.
- • **🔒 Safety First:** Equipped with multiple protection features to ensure safe operation.
- • **🔋 Unleash Power:** Experience a robust 980mAh capacity for extended thermostat performance.
- • **🔄 Long-Lasting Life:** Built to endure up to 1200 charging cycles for ultimate longevity.
- • **🛠️ Easy Installation:** Includes repair tools for a hassle-free battery replacement experience.

## Overview

The TL284443 Battery is a high-capacity 980mAh Li-Polymer replacement designed for Nest Learning Thermostats (2nd and 3rd Generation). With multiple safety certifications and built-in protections, this battery ensures reliable performance and longevity, making it the perfect upgrade for your smart home.

## Description

TL284443 Battery, 980mAh Ultra High Capacity Li-Polymer Battery Replacement Compatible with Nest Learning Thermostat 2nd 3rd Generation, T3007ES, T3008US, T4000ES, A0013 with Repair Tools

## Features

- 【Compatible Model】: This TL284443 Battery Replacement Battery For Nest Learning Thermostat 2nd 3rd Generation, T3007ES, T3008US, T4000ES, A0013.
- 【High Quality Assurance】:Our upgrade TL284443 Replacement Battery has UL,CE and Rohs certification, uses Grade A+ rated battery cells. Every battery is manufactured and tested under strict quality control standards. Build-in microchip to prevent over-charging, over-discharging, short-circuit and over-heating. Multiple-protection for safer operation for both user and devices.
- 【Long Battery Life】: This upgraded TL284443 high capacity replacement battery, Battery type: Li- Polyme, Battery Capacity: 980mAh, Watt-hour: 3.62Wh, Voltage Output: 3.7V. Brand new 0 cycle,built to last up to 1200 charging cycles to provide longer battery life. bring your for Nest Learning Thermostat 2nd 3rd Generation, T3007ES, T3008US, T4000ES, A0013.
- 【Use Instructions】: Using up all the power of battery for the first three times before charging, and then take a full charge, thus the battery can be reached the optimum effect of using. Please remember that its full performance and longevity is only achieved after 8 to 10 complete charge and discharge cycles.
- 【After-sales Service】: If you are not satisfied with our product, please contact our friendly customer service through the "Contact Seller" feature, we will reach out to you within 24 hours, solve your problem quickly and efficiently.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Battery Weight | 40 Grams |
| Unit Count | 1.0 Count |
| Battery Cell Type | Lithium Polymer |
| Recommended Uses For Product | Thermostat |
| Reusability | Rechargeable |
| Battery Capacity | 280 Milliamp Hours |
| Voltage | 3.7 Volts |
| Compatible Phone Models | For Nest Learning Thermostat 2nd 3rd Generation, T3007ES, T3008US, T4000ES, A0013 |

## Images

![TL284443 Battery, 980mAh Ultra High Capacity Li-Polymer Battery Replacement Compatible with Nest Learning Thermostat 2nd 3rd Generation, T3007ES, T3008US, T4000ES, A0013 with Repair Tools - Image 1](https://m.media-amazon.com/images/I/61RvE1SSowL.jpg)
![TL284443 Battery, 980mAh Ultra High Capacity Li-Polymer Battery Replacement Compatible with Nest Learning Thermostat 2nd 3rd Generation, T3007ES, T3008US, T4000ES, A0013 with Repair Tools - Image 2](https://m.media-amazon.com/images/I/71U9WlEAcKL.jpg)
![TL284443 Battery, 980mAh Ultra High Capacity Li-Polymer Battery Replacement Compatible with Nest Learning Thermostat 2nd 3rd Generation, T3007ES, T3008US, T4000ES, A0013 with Repair Tools - Image 3](https://m.media-amazon.com/images/I/71XhBYhYEGL.jpg)
![TL284443 Battery, 980mAh Ultra High Capacity Li-Polymer Battery Replacement Compatible with Nest Learning Thermostat 2nd 3rd Generation, T3007ES, T3008US, T4000ES, A0013 with Repair Tools - Image 4](https://m.media-amazon.com/images/I/712xTfjLD3L.jpg)
![TL284443 Battery, 980mAh Ultra High Capacity Li-Polymer Battery Replacement Compatible with Nest Learning Thermostat 2nd 3rd Generation, T3007ES, T3008US, T4000ES, A0013 with Repair Tools - Image 5](https://m.media-amazon.com/images/I/71cdiNoc3zL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Battery worked
  

*by K***D on Reviewed in the United States on September 3, 2024*

The battery worked for a while, but I ended up having to hook up a "C" wire to my thermostat to keep it properly powered up, which I can't blame the battery for.

### ⭐ 1.0 out of 5 stars







  
  
    Battery arrived almost dead
  

*by S***. on Reviewed in the United States on September 11, 2024*

Ordered this battery, it arrived very low to the point it would link to internet and many options are unavailable. See pictures. In the process of trouble shooting and options

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    It works
  

*by K***H on Reviewed in the United States on August 24, 2024*

It works. It was used to replace the old battery that died in our Nest that operates our a/c.

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**Shop now:** [https://www.desertcart.fi/products/632120555-tl284443-battery-980mah-ultra-high-capacity-li-polymer-battery-replacement](https://www.desertcart.fi/products/632120555-tl284443-battery-980mah-ultra-high-capacity-li-polymer-battery-replacement)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-10*