During a power outage or when staying off the grid, your first concern is always the electricity. That’s why a battery generator (or portable power station) is a wise investment. With a battery generator handy, you won’t have to worry about the lights going out, your phone or laptop dying, or the food in your fridge spoiling. You just need to make sure you have the right size for your needs.  Compared to a whole home battery system, a portable power station — as its name suggests...