About this item

• 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.