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By Dan Moren for Macworld
Over the last couple weeks, as I spent some time on the road, I noticed that one accessory has become more or less ubiquitous among smartphone users: the external battery pack. Once carried mainly by the tech savvy, the battery pack has become a must-have. When I was at the Gen Con gaming convention, they seemed no less common than a t-shirt with a nerdy joke on it.
Some of that recent omnipresence no doubt stems from the phenomenon that is the battery-chomping Pokémon Go, but that’s really just throwing kerosene on the fire that is mobile device usage. With all of us tethered to our smartphones, tablets, laptops, and wearable devices, power and where to find it has become a major concern.