Tesla introduced its new lineof energy storage products last night. While the company is known for making electric cars, the big announcement wasabouta new storage battery for homes and businesses. The new product is a rechargeable lithium-ion battery called the ‘Powerwall.’ The unit is designed to be mounted on a wall and connected to the local power grid. The company says it could slash electric bills by 25 percent. And with Tesla moving into our region in a couple years, the 5 billion dollar Gigafactory will play a big role in producing the innovative batteries.