article_snippet.sent: Powerwall is three feet wide and four feet tall, weighs 220lbs, and can be installed on an outside or inside wall.
article_snippet.sent: Powerwall can be used as back up power in the case of an emergency, or be used to hold power from renewable energy sources.
article_snippet.sent: The  Powerwall is around three feet wide and four feet tall, weighs 220lbs, and can be installed either on an outside or inside wall of a home.
article_snippet.sent: According to that figure, a single, fully-charged Powerwall device would be able to meet a quarter of a home's energy needs on any given day.
article_snippet.sent: Pictured is a utility-scale version of Powerwall that can be used by businesses and scaled up for more power .
article_snippet.sent: Marketing material for the device, published late Thursday on Tesla's website, says: 'Powerwall is a home battery that charges using electricity generated from solar panels, or when utility rates are low, and powers your home in the evening. '
article_snippet.sent: Powerwall also fortifies your home against power outages by providing a backup electricity supply. '
article_snippet.sent: Automated, compact and simple to install, Powerwall offers independence from the utility grid and the security of an emergency backup.'
article_snippet.sent: Powerwall charges using electricity generated from solar panels, or when utility rates are low, and powers your home in the evening . '