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The WHOOP Battery Pack 4.0 is a compact, water-resistant charging accessory designed exclusively for the WHOOP 4.0 fitness tracker. It delivers continuous multi-day power with IP68 dust and water resistance up to 1 meter for 2 hours, features USB-C fast charging, and includes built-in safety protections. Perfect for professionals who demand uninterrupted health data and seamless on-the-go charging.
| ASIN | B0BWSFHKGW |
| Amperage | 3.11 Amps |
| Battery Capacity | 638 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 9.3 Grams |
| Best Sellers Rank | #35,687 in Sports, Fitness & Outdoors ( See Top 100 in Sports, Fitness & Outdoors ) #1,382 in Electronics & Gadgets |
| Box Contents | USB Cable |
| Brand | WHOOP |
| Brand Name | WHOOP |
| Cable Length | 39.37 Inches |
| Colour | Onyx |
| Compatible Devices | WHOOP 4.0 |
| Compatible Phone Models | WHOOP 4.0 |
| Connector Type | USB |
| Customer Reviews | 4.7 out of 5 stars 1,027 Reviews |
| Item Dimensions | 43 x 35 x 20 Millimeters |
| Item Type Name | Battery Pack |
| Manufacturer | WHOOP |
| Manufacturer 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 Count |
| Voltage | 3.7 Volts |
K**O
Worth the Purchase
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.
D**L
Click it in and forget it
A speciality product Robust and durable
A**I
Fake
This is what I received 🫠
D**A
Didn't change
It's defective
J**E
Handig
Altijd hand om een extra baterij te hebben
W**S
Came in a reasonable time
It is the factory whoo battery.Came pretty fast and works like it is supposed to.
C**H
Great battery replacement.
Great replacement battery. Works just like the original.
O**A
Very good recommend
Exact same as on website but cheaper and free next day delivery can’t go wrong came in exact same package the cheaper and quicker. Value for money, fast delivery and works well. So small this is the second one we’ve lost! Hopefully won’t have to order again… but absolutely no issues with product
Trustpilot
3 weeks ago
2 months ago