--- product_id: 517609868 title: "WHOOP Battery Pack 4.0 – Portable, Wearable, Water-Resistant Charging Component 4.0 Wearable Health, Fitness & Activity Tracker, Not Compatible with Gen 5, Onyx" brand: "whoop" price: "KD 0.15" currency: KWD in_stock: false reviews_count: 13 url: https://www.desertcart.com.kw/products/517609868-whoop-battery-pack-4-0-portable-wearable-water-resistant-charging store_origin: KW region: Kuwait --- # 3.11A Fast Charging IP68 Water & Dust Resistant 638mAh Lithium-Ion Power WHOOP Battery Pack 4.0 – Portable, Wearable, Water-Resistant Charging Component 4.0 Wearable Health, Fitness & Activity Tracker, Not Compatible with Gen 5, Onyx **Brand:** whoop **Price:** KD 0.15 **Availability:** ❌ Out of Stock ## Summary > ⚡ Power Your Performance, Anywhere, Anytime! ## Quick Answers - **What is this?** WHOOP Battery Pack 4.0 – Portable, Wearable, Water-Resistant Charging Component 4.0 Wearable Health, Fitness & Activity Tracker, Not Compatible with Gen 5, Onyx by whoop - **How much does it cost?** KD 0.15 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/517609868-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 - • **Safe & Smart Charging:** Overcharge and short-circuit protection keeps your WHOOP tracker secure and reliable. - • **Built to Brave the Elements:** IP68-rated dust-proof and water-resistant design means your battery pack works rain or shine. - • **Unstoppable Power On-The-Go:** Keep your WHOOP 4.0 charged continuously for days without missing a beat. - • **Plug, Slide & Charge Instantly:** Effortless on-wrist charging with simple slide-on design and USB-C convenience. - • **Sleek, Lightweight & Travel-Ready:** Compact 9.3g design fits effortlessly in your active lifestyle and luggage. ## Overview The WHOOP Battery Pack 4.0 is a compact, lightweight, and durable charging companion designed exclusively for the WHOOP 4.0 fitness tracker. Featuring a 638mAh lithium-ion battery, IP68 dust and water resistance, and fast 3.11A charging via USB-C, it enables continuous health and activity tracking for days. Its easy slide-on design and built-in safety protections make it the ultimate portable power solution for professionals who never stop moving. ## Description Product description How do I charge my WHOOP Battery Pack 4.0? 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. How do I charge my WHOOP Battery Pack 4.0? 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. I just received my WHOOP Battery Pack 4.0, but when I clicked on my WHOOP it wasn't charging. 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. I just received my WHOOP Battery Pack 4.0, but when I clicked on my WHOOP it wasn't charging. 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. WHOOP Battery Packs Black Battery Blue Translucent Battery Yellow Translucent Battery LONG-LASTING POWER Get continuous data for days on a single charge. DURABLE & WATER RESISTANT P68 dust-proof and water-resistant up to 1 meter for 2 hours. Review: Came in a reasonable time - It is the factory whoo battery.Came pretty fast and works like it is supposed to. Review: Geninue product and working good - The product is genuine and working good, delivery have to wait for 20 days ## Features - FSA/HSA: WHOOP is FSA/HSA eligible! As a certified retailer, you can purchase your WHOOP 4.0 Battery Pack directly with your FSA/HSA card at checkout. - LONG-LASTING POWER – Get continuous data for days on a single charge with our battery pack that enables you to charge on-the-go while you wear it. - DURABLE & WATER RESISTANT – Designed to provide long-lasting power for years to come. P68 dust-proof and water-resistant up to 1 meter for 2 hours. - COMPACT & PORTABLE – Compact and lightweight, making it easy to carry with you wherever you go. Whether you're traveling, working out, or simply need to extend your WHOOP tracker's battery life, this battery pack is the perfect solution. - EASY TO USE – To charge your WHOOP 4.0 Health and Fitness Tracker, simply slide the battery pack on your device for charging on-the-go. Use the included USB cable to recharge your battery pack from a laptop. - SAFE & RELIABLE – Built with safety in mind, our WHOOP 4.0 Battery Pack features overcharge and short-circuit protection to ensure that your WHOOP tracker is always protected. - EASY SETUP: Quickly and easily charge your WHOOP Battery Pack 4.0 every time before charging your WHOOP device. Plug the battery pack into a power source using the provided USB-C cord. The LED light will stay red until it reaches fully charged, and will turn green. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BWSFHKGW | | 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 Inches | | Color | Onyx | | Compatible Devices | WHOOP 4.0 | | Compatible Phone Models | WHOOP 4.0 | | Connector Type | USB | | Customer Reviews | 4.7 out of 5 stars 1,031 Reviews | | Item Dimensions | 1.7 x 1.4 x 0.8 inches | | 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 dust-proof and water-resistant up to 1 meter for 2 hours. | | Portable | Yes | | Power Source | Battery Powered | | Special Feature | IP68 dust-proof and water-resistant up to 1 meter for 2 hours. | | UPC | 810114360019 | | Unit Count | 1.0 Count | | Voltage | 3.7 Volts | | Warranty Description | 1 year warranty | ## Product Details - **Battery Capacity:** 638 Milliamp Hours - **Brand:** WHOOP - **Color:** Onyx - **Connector Type:** USB - **Special Feature:** 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, Not Compatible with Gen 5, 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, Not Compatible with Gen 5, 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, Not Compatible with Gen 5, 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, Not Compatible with Gen 5, 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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Came in a reasonable time *by W***S on February 3, 2026* It is the factory whoo battery.Came pretty fast and works like it is supposed to. ### ⭐⭐⭐⭐⭐ Geninue product and working good *by B***U on September 27, 2025* The product is genuine and working good, delivery have to wait for 20 days ### ⭐⭐⭐⭐⭐ Perfect *by M***Z on May 5, 2026* No issues ## 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 --- ## 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.com.kw/products/517609868-whoop-battery-pack-4-0-portable-wearable-water-resistant-charging](https://www.desertcart.com.kw/products/517609868-whoop-battery-pack-4-0-portable-wearable-water-resistant-charging) --- *Product available on Desertcart Kuwait* *Store origin: KW* *Last updated: 2026-05-16*