Dr. Howard Alig, MD is an ophthalmology specialist in Indianapolis, IN and has been practicing for 44 years. He graduated from Vanderbilt University School Of Medicine in 1968 and specializes in ophthalmology.
Tesla just unveiled its new at-home battery â here's what you need to know. 1  In 2015, Tesla unveiled the Powerwall â a rechargeable lithium ion battery weighing roughly 200 pounds that you can mount on your wall. Panasonic makes the cells for the Powerwall, while Tesla builds the battery module and pack.
Teslaâs residential battery, called Powerwall, will be available in several months and will come in two sizes, a seven-kilowatt-hour battery system that costs $3,000 and a slightly larger 10-kilowatt-hour system for $3,500. The larger battery would keep an average-sized home running for a day.