It's been a minute since you've been able to get a USB phone charger bundled with most new flagship smartphones. That means you actually need to think about which one you should get instead, and how much you ought to spend. But the bright side is that, if you pick the right charging brick, it can act as a multi-purpose device that can top up a variety of gadgets while also reducing how much gear you need to carry while traveling.That said, before you buy anything, there are some important things... Read this story