Tesla has been selling a new version of the Powerwall called the Tesla Powerwall 2. The difference between this and its predecessor is that it has twice as much power, so you can store more energy for later use. It also has an improved battery management system which allows you to prioritize when your energy goes to certain loads in your home. This means if you need a burst of power during a storm, then your refrigerator will be able to continue running while other items are