If nothing else, mobile technology is about striking a balance. You might be super-productive if you always had your laptop around, but that's hardly practical to carry on your person everywhere — enter: the smartphone. Earlier this year I took a look at the Jackery Explorer 1000, an absolute unit of a battery pack. And while it has capacity for days, at 22lbs it's also a lot of heft to be hauling around. Is there a better balance we could find here? Jackery's got a number of options running the gamuts of size and capacity, and now the latest entry might just nail that equilibrium: the Jackery Explorer 300.
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