---
product_id: 538521887
title: "WHOOP Battery Pack 4.0 – Portable, Wearable, Water-Resistant Charging Component 4.0 Wearable Health, Fitness & Activity Tracker, Onyx"
brand: "whoop"
price: "FREE"
currency: EUR
in_stock: false
url: https://www.desertcart.gr/products/538521887-whoop-battery-pack-4-0-portable-wearable-water-resistant-charging
store_origin: GR
region: Greece
---

# Compact & ultra-portable IP68 water & dust resistance Days of continuous power WHOOP Battery Pack 4.0 – Portable, Wearable, Water-Resistant Charging Component 4.0 Wearable Health, Fitness & Activity Tracker, Onyx

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

## Summary

> ⚡ Power your performance, anytime, anywhere.

## Quick Answers

- **What is this?** WHOOP Battery Pack 4.0 – Portable, Wearable, Water-Resistant Charging Component 4.0 Wearable Health, Fitness & Activity Tracker, Onyx by whoop
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/538521887-whoop-battery-pack-4-0-portable-wearable-water-resistant-charging)

## 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

- • **Safety First, Always:** Overcharge and short-circuit protection ensure your WHOOP stays safe and reliable.
- • **Built to Brave the Elements:** IP68-rated dustproof and water-resistant up to 1 meter for 2 hours—power through sweat, rain, or dust.
- • **Featherlight & Travel-Ready:** At just 60g and pocket-sized, it’s the perfect companion for your active lifestyle.
- • **Unstoppable Power On-The-Go:** Charge your WHOOP 4.0 while wearing it—no downtime, just data.
- • **Plug, Slide & Charge Effortlessly:** Simple slide-on design with USB recharge keeps you powered without missing a beat.

## Overview

The WHOOP Battery Pack 4.0 is a sleek, lightweight charging accessory designed to extend your WHOOP 4.0 tracker’s battery life for days. Featuring IP68 dust and water resistance, it supports active, on-the-go lifestyles by allowing you to charge while wearing the device. With built-in safety protections and easy USB recharging, it’s the ultimate power solution for fitness enthusiasts who demand uninterrupted biometric insights.

## Description

Buy WHOOP Battery Pack 4.0 – Portable, Wearable, Water-Resistant Charging Component 4.0 Wearable Health, Fitness & Activity Tracker, Onyx online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BWSFHKGW |
| Amperage | 3.11 Amps |
| Antenna Location | laptop |
| Battery Capacity | 638 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Battery Charge Time | 2 Hours |
| Battery Weight | 9.3 Grams |
| Best Sellers Rank | #9,088 in Sporting Goods ( See Top 100 in Sporting Goods ) #6 in Fitness Technology |
| Brand | WHOOP |
| Cable Length | 39.37 Inches |
| Color | Onyx |
| Compatible Devices | WHOOP 4.0 |
| Compatible Phone Models | WHOOP 4.0 |
| Connector Type | USB |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,040) |
| Included Components | USB Cable |
| Item Dimensions | 43 x 35 x 20 millimeters |
| Item Type Name | Battery Pack |
| Item Weight | 0.07 Kilograms |
| 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 dust-proof and water-resistant up to 1 meter for 2 hours. |
| Output Current | 2.4 Amps |
| Portable | Yes |
| Power Source | Battery Powered |
| UPC | 810114360019 |
| Unit Count | 1.0 Count |

## Product Details

- **Battery capacity:** 638 Milliamp Hours
- **Brand:** WHOOP
- **Colour:** Onyx
- **Connector type:** USB
- **Special features:** IP68 dust-proof and water-resistant up to 1 meter for 2 hours.

## Images

![WHOOP Battery Pack 4.0 – Portable, Wearable, Water-Resistant Charging Component 4.0 Wearable Health, Fitness & Activity Tracker, Onyx - Image 1](https://m.media-amazon.com/images/I/41XDrk9P0dL.jpg)
![WHOOP Battery Pack 4.0 – Portable, Wearable, Water-Resistant Charging Component 4.0 Wearable Health, Fitness & Activity Tracker, Onyx - Image 2](https://m.media-amazon.com/images/I/516OGe+TFcL.jpg)
![WHOOP Battery Pack 4.0 – Portable, Wearable, Water-Resistant Charging Component 4.0 Wearable Health, Fitness & Activity Tracker, Onyx - Image 3](https://m.media-amazon.com/images/I/51hzKbhSo1L.jpg)
![WHOOP Battery Pack 4.0 – Portable, Wearable, Water-Resistant Charging Component 4.0 Wearable Health, Fitness & Activity Tracker, Onyx - Image 4](https://m.media-amazon.com/images/I/71pk-It2aAL.jpg)

## 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.

## 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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**Shop now:** [https://www.desertcart.gr/products/538521887-whoop-battery-pack-4-0-portable-wearable-water-resistant-charging](https://www.desertcart.gr/products/538521887-whoop-battery-pack-4-0-portable-wearable-water-resistant-charging)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-09-22*