If you are looking for a way to further your energy dependence, solar batteries are a great option. During power outages or natural disasters, solar batteries allow you to use your own storage energy, as well as charge your electric vehicle from clean energy. The sonnen Batterie eco is charged by your solar array and utilizes unique software to manage your solar energy efficiently throughout your home. At night or during times of power outages, the battery seamlessly switches to battery power. The Tesla Powerwall is designed to integrate your entire home on solar energy when you want. This compact and stackable battery has a built-in inverter, ready for you to go off-grid when you want.