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.
Automotive SLI batteries are usually lead-acid type, and are made of six galvanic cells connected in series to provide a nominally 12- volt system. Each cell provides 2.1 volts for a total of 12.6 volts at full charge.