How to Update Your Battery Pack 4.0

The Battery Pack 4.0 is our most sophisticated battery pack yet -- designed for multi-day battery life and wireless charging – all while being waterproof.
The battery pack has firmware which requires updating to improve efficiency, reduce bugs, and enhance performance. To update your battery pack firmware, you’ll need your battery, the USB cord you received with your WHOOP, and a computer. Follow the directions in this video to update your battery pack in 5 minutes or less.

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