One of the nice things about the Apple Watch is that we can finally appreciate the design of the thing, unadorned by the ugly cases that have tarnished the iPhone landscape.

Or so we thought. While the Apple Watch isn’t launching until later this month, a bulky battery case called Wipowerband is already promising to turn Jony Ive’s design masterstroke into an eyesore. The Wipowerband snaps underneath the watch body to connect with Apple’s magnetic charging contact, and stuffs a 250mAh battery into a wraparound wristband.

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