Waiting for the damn bus can be a pain and a potential drain on your mobile device battery, but CP+B, under the creative direction of Ari Merkin, is trying to give the latter a boost as part of its “You’re Up” campaign for Vitaminwater. The parties have installed a 5-volt battery-powered USB port within a display ad in select bus shelters in NYC, Chicago, Los Angeles and Boston that lets you charge your USB-compatible mobile, gaming device or MP3 player. The above pic, which was taken at the Chicago unit, shows you everything you need to know and the tagline itself seems fitting enough, but we’re still not sure if it makes being stuck at the bus stop more worth it. Credits after the jump.

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