




🔋 Stay powered, stay unstoppable—charge on the move with WHOOP Battery Pack 4.0!
The WHOOP Battery Pack 4.0 is a compact, durable, and waterproof external battery designed exclusively for the WHOOP 4.0 fitness tracker. With a 638mAh lithium-ion cell delivering 3.11 Amps, it extends your tracker’s battery life by several days and supports charging while worn. Rated IP68 for dust and water resistance up to 1 meter for 2 hours, it’s built for active professionals who demand reliable, on-the-go power with built-in safety protections.










| ASIN | B0BWSFHKGW |
| Amazon Bestseller | #135,714 in Electronics ( See Top 100 in Electronics ) #244 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 (1,025) |
| Item Dimensions | 43 x 35 x 20 mm |
| Item Type Name | Battery Pack |
| Manufacturer | WHOOP |
| Model Name | WHOOP Battery Pack |
| Model Number | 974-001-000 |
| Number of Batteries | 1 Lithium Polymer batteries required. (included) |
| 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 |
K**O
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**A
It's defective
E**.
Llego en perfectas condiciones, nuevo y como lo esperaba. Funciona excelente para cargar mi Whoop 4.0
J**E
Altijd hand om een extra baterij te hebben
W**S
It is the factory whoo battery.Came pretty fast and works like it is supposed to.
ترست بايلوت
منذ شهر
منذ أسبوعين