Should you buy a portable Level 2 electric-car charger?

2017 Kia Soul EVElectric car chargers are becoming more affordable. Now you can buy a portable, 16-amp charger one for less than the price of a cheap tablet computer. Some electric-car drivers find benefit in carrying a portable charger that's faster than the standard Level 1 models that come with every electric car sold so far. Portable Level 2 chargers will...