HomeProduct Product Dimensions1.7 x 1.4 x 0.8 inches 1.7 x 1.4 x 0.8 inches Filter Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare WHOOP Battery Pack 4.0 – Portable, Wearable, Water-Resistant Charging Component for WHOOP 4.0 Wearable Health, Fitness & Activity Tracker, Onyx Added to wishlistRemoved from wishlist 0 Add to compare $49.00