---
product_id: 239687548
title: "Replacement Battery for Fitbit Alta Activity, Alta HR, Fitbit FB407"
brand: "ersi"
price: "FREE"
currency: EUR
in_stock: false
url: https://www.desertcart.pt/products/239687548-replacement-battery-for-fitbit-alta-activity-alta-hr-fitbit-fb407
store_origin: PT
region: Portugal
---

# Fast charging 45mAh capacity 12-month warranty Replacement Battery for Fitbit Alta Activity, Alta HR, Fitbit FB407

**Brand:** ersi
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power Up Your Fitness Journey!

## Quick Answers

- **What is this?** Replacement Battery for Fitbit Alta Activity, Alta HR, Fitbit FB407 by ersi
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/239687548-replacement-battery-for-fitbit-alta-activity-alta-hr-fitbit-fb407)

## Best For

- ersi enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Friendly Power:** Grade A cells provide low power consumption, making it a sustainable choice for your active lifestyle.
- • **Risk-Free Purchase:** Enjoy a 14-day money-back guarantee and a 12-month warranty for complete confidence.
- • **Seamless Compatibility:** Designed specifically for Fitbit Alta Activity and Alta HR, ensuring a perfect fit.
- • **Unleash Your Fitness Potential:** With a robust 45mAh capacity, this battery keeps your Fitbit Alta powered for optimal performance.
- • **Certified Quality You Can Trust:** ISO9001, RoHS, and CE certified for peace of mind and reliability.

## Overview

This replacement battery for Fitbit Alta Activity and Alta HR boasts a capacity of 45mAh, ensuring long-lasting performance. Certified with ISO9001, RoHS, and CE, it guarantees quality and safety. With a 14-day money-back guarantee and a 12-month warranty, this battery is the perfect solution for keeping your fitness tracker running smoothly.

## Description

Cameron Sino is committed in produce high quality and durable battery over 10 years. We are the battery manufacturer who well known in Europe, USA, Russia, China and over the world.  We are the battery supermarket, provide over 40000 type batteries.  We promise that we will help you to solve problems. 7*24 Email Support.  Please make sure selecting the right battery, compatible with your original product . If you are not sure, please send email to us with your battery details or pictures, we will give you professional suggestions.  The following is the information of our battery, please check it carefully before purchasing. Compatible with battery part number:  FB407 Fit Model Alta Activity, Alta HR  Package included:  1x Replacement battery  Caution: 1.Don't disassemble 2.Don't dispose of in fire or water 3. Don't store above 60°C（140°F）

## Features

- Capacity: 45mAh / 0.17Wh / 3.7V.
- All Products are Certificated with ISO9001, RoHS, and CE.
- The battery is compatible with FitBit Alta Activity, Alta HR
- High capacity circulatory function, perfect replace your original batteries, 14-day Money Back Guarantee and 12-month Warranty.
- 100% New Manufacturer, factory direct supply and best price, works as genuine parts, Grade A cells ensure fast charges and low power consumption.

## Product Details

- **Item dimensions L x W x H:** 0.83 x 0.4 x 0.13 inches
- **UPC:** 883294591214
- **Manufacturer:** ERSI

## Images

![Replacement Battery for Fitbit Alta Activity, Alta HR, Fitbit FB407 - Image 1](https://m.media-amazon.com/images/I/41zwqBnbDGL.jpg)
![Replacement Battery for Fitbit Alta Activity, Alta HR, Fitbit FB407 - Image 2](https://m.media-amazon.com/images/I/41BLPstA4fL.jpg)
![Replacement Battery for Fitbit Alta Activity, Alta HR, Fitbit FB407 - Image 3](https://m.media-amazon.com/images/I/41eqxVTKAcL.jpg)
![Replacement Battery for Fitbit Alta Activity, Alta HR, Fitbit FB407 - Image 4](https://m.media-amazon.com/images/I/21zJmEnhMUL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pt/products/239687548-replacement-battery-for-fitbit-alta-activity-alta-hr-fitbit-fb407](https://www.desertcart.pt/products/239687548-replacement-battery-for-fitbit-alta-activity-alta-hr-fitbit-fb407)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-04-25*