There are quite a few things that you should consider when it comes to purchasing a portable charger for a tablet. That’s mostly because they’re a larger device that has quite a few more aspects to them that require you to know more about what you need to look for when it comes picking a charger for your tablet. In general, tablets are larger smartphones and that means that they have much larger batteries resulting in higher power capacities for longer battery life. That said, when it does…