---
product_id: 724787613
title: "WHOOP Battery Pack 4.0 - Portable, Wearable, Waterproof Charging Components 4.0 Wearable Health, Fitness & Activity Tracker, Not for Gen 5, Onyx"
brand: "whoop"
price: "€ 177.62"
currency: EUR
in_stock: true
reviews_count: 5
category: "Whoop"
url: https://www.desertcart.es/products/724787613-whoop-battery-pack-4-0-portable-wearable-waterproof-charging-components
store_origin: ES
region: Spain
---

# 3.11 Amps fast charging IP68 waterproof & dustproof 638mAh battery capacity WHOOP Battery Pack 4.0 - Portable, Wearable, Waterproof Charging Components 4.0 Wearable Health, Fitness & Activity Tracker, Not for Gen 5, Onyx

**Brand:** whoop
**Price:** € 177.62
**Availability:** ✅ In Stock

## Summary

> ⚡ Stay powered, stay ahead — never miss a moment with WHOOP Battery Pack 4.0!

## Quick Answers

- **What is this?** WHOOP Battery Pack 4.0 - Portable, Wearable, Waterproof Charging Components 4.0 Wearable Health, Fitness & Activity Tracker, Not for Gen 5, Onyx by whoop
- **How much does it cost?** € 177.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/724787613-whoop-battery-pack-4-0-portable-wearable-waterproof-charging-components)

## Best For

- whoop enthusiasts

## Why This Product

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

## Key Features

- • **Unstoppable Power:** Keep your WHOOP 4.0 charged for days without missing a beat.
- • **Safe & Smart Charging:** Advanced overcharge and short circuit protection for worry-free use.
- • **Wear & Charge Freedom:** Charge your tracker on the go—no downtime, no hassle.
- • **Featherlight & Compact:** Sleek, portable design that fits seamlessly into your active lifestyle.
- • **Built to Brave Elements:** IP68-rated dustproof and waterproof protection for every adventure.

## Overview

The WHOOP Battery Pack 4.0 is a compact, lightweight, and durable portable charger designed exclusively for the WHOOP 4.0 fitness tracker. Featuring a 638mAh lithium-ion battery with 3.11 Amps output, it delivers several days of continuous tracking on a single charge. Its IP68 rating ensures dustproof and waterproof protection up to 1 meter for 2 hours, making it perfect for active professionals who demand reliable, on-the-go power with built-in safety features like overcharge and short circuit protection.

## Description

Waterproof battery pack designed to charge while wearing WHOOP, you can get several days of continuous data on a single charge. WHOOP 4.0 and membership not included. Please purchase WHOOP 4.0 and membership separately. WHOOP 4.0 is IP68 dustproof and water resistant up to 10 meters for 2 hours. WHOOP 4.0 battery pack is IP68 dustproof and waterproof up to 1 meter for 2 hours

Review: The quality of this product is really good and it performs exactly as expected. It feels well-built, easy to use, and delivers consistent results.
Review: It's defective

## Features

- LONG LASTING POWER - Our battery pack gives you several days of continuous data on a single charge. You can charge while wearing it on the go
- DURABLE AND WATER RESISTANT - Designed to last for years. P68 dustproof and water resistant up to 1 meter for 2 hours
- COMPACT & PORTABLE - Compact and lightweight, easy to carry anywhere you go. Whether you are traveling, working out, or simply need to extend the battery life of your WHOOP tracker, this battery pack is the perfect solution
- EASY TO USE - To charge the WHOOP 4.0 Health & Fitness Tracker, simply slide the battery pack into your device and charge on the go. Use the included USB cable to charge the battery pack from your laptop
- SAFETY AND RELIABLE - Built with safety in mind, the WHOOP 4.0 battery pack provides overcharge and short circuit protection to keep your WHOOP tracker protected at all times

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BWSFHKGW |
| Amazon Bestseller | #293,154 in Electronics ( See Top 100 in Electronics ) #690 in Smart Arm & Wristband Accessories |
| Amperage | 3.11 Amps |
| Battery Capacity | 638 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 9.3 Grams |
| Brand | WHOOP |
| Built-In Media | Battery Pack |
| Cable Length | 39.37 インチ |
| Color | onyx |
| Compatible Devices | WHOOP 4.0 |
| Compatible Phone Models | WHOOP 4.0 |
| Connector Type | USB |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,020) |
| Item Dimensions | 43 x 35 x 20 mm |
| Item Type Name | Battery Pack |
| Manufacturer | WHOOP |
| Mfr Part Number | 974-001-000 |
| Model Name | WHOOP Battery Pack |
| Model Number | 974-001-000 |
| Number of Batteries | 1 Lithium Polymer batteries required. (included) |
| Number of Items | 1 |
| Number of Ports | 1 |
| Other Special Features of the Product | IP68 dustproof, waterproof up to 1 meter for 2 hours |
| Portable | Yes |
| Power Source | Battery Operated |
| UPC | 810114360019 |
| Unit Count | 1 Count |
| Voltage | 3.7 Volts |

## Product Details

- **Battery Capacity:** 638 Milliamp Hours
- **Brand:** WHOOP
- **Color:** onyx
- **Connector Type:** USB
- **Special Feature:** IP68 dustproof, waterproof up to 1 meter for 2 hours

## Images

![WHOOP Battery Pack 4.0 - Portable, Wearable, Waterproof Charging Components 4.0 Wearable Health, Fitness & Activity Tracker, Not for Gen 5, Onyx - Image 1](https://m.media-amazon.com/images/I/41XDrk9P0dL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: How do I charge my WHOOP Battery Pack 4.0?**
A: Plug your battery pack 4.0 into a power source using your WHOOP-provided USB-C cord. While charging, the LED will stay red. Once your battery pack is fully charged, the LED will turn green.

**Q: I just received my WHOOP Battery Pack 4.0, but when I clicked on my WHOOP it wasn't charging.**
A: Make sure you charge your WHOOP Battery Pack 4.0 before trying to charge your WHOOP. See above FAQ on how to charge your WHOOP Battery Pack 4.0.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by K***O on January 10, 2026*

The quality of this product is really good and it performs exactly as expected. It feels well-built, easy to use, and delivers consistent results.

### ⭐ Review
*by D***A on March 17, 2026*

It's defective

### ⭐⭐⭐⭐⭐ Review
*by J***E on May 5, 2025*

Altijd hand om een extra baterij te hebben

## Frequently Bought Together

- WHOOP Battery Pack 4.0 – Portable, Wearable, Water-Resistant Charging Component 4.0 Wearable Health, Fitness & Activity Tracker, Onyx
- DADO Comfort Durable Silicone Wristband Compatible with WHOOP 4.0 Band, Soft Silicone Sports Loop Strap for Men & Women, with U Shapped Connector

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-05-19*