With double the energy of our first generation battery, Powerwall 2 can power a two-bedroom home for a full day. Compact, stackable and with a built-in inverter, installation is simple, either indoor or outdoor. Powerwall 2 is a battery for homes and small businesses that store the sun’s energy and delivers clean, reliable electricity when the sun isn’t shining. Combine Powerwall, solar and an electric vehicle to create a zero emission lifestyle. Compact and simple to install, Powerwall is a completely automated system that requires no maintenance. It is touch-safe for the entire family with no live wires or bulky vents. Wall mounted or floor mounted, you can stack up to nine Powerwall units to power homes of any size. It also comes with a water-resistant and dustproof enclosure for installation inside or outdoors. Monitor your solar energy use in real-time and receive alerts when Powerwall is preparing for cloudy or severe weather.