4.0 Battery Pack

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You’ve got goals and so do we—like keeping you charged wherever your day takes you. Get continuous data for days on a single charge with our waterproof* battery pack that enables y ou to charge on the go while you wear it. To charge your WHOOP® 4.0, simply slide the battery pack on your device to charge on the go. Use the included USB cable to recharge your battery pack from a laptop. *IP68 dust-proof and water-resistant up to 1 meter for 2 hours. Show more