On a recent work trip, I had plenty of things to worry about — but being able to recharge my two smartphones, laptop and iPad were not among my concerns. In my carry-on luggage, I had two medium-capacity portable chargers, one high capacity bank, a MagSafe power bank and plenty of cables. Over the past couple years, I’ve tested more than 50 portable batteries and have seen first hand what life-savers they can be — but not every power bank has the best combo of price, capacity, performance and features. Here are the results of our testing and research so you can determine the best power bank for your
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