RE:Tesla's $20,000 Compact Car Is Coming Soon - The End of GasHUGE NEWS ON TESLA STOCK - $4.4 Trillion Market Cap? https://youtu.be/BSM2gAraNR8 great read ! Student Accidentally Created Rechargeable Battery That Lasts for 400 Years https://youtu.be/hXoxV58eoYU The gold nanowire, the manganese dioxide, and the electrolyte gel would drive up the cost of the battery. Researchers are looking for an alternative. They believe that a nickel substitute would be great for mass production and keeping costs down. Not only would batteries that last 400 years be good for the consumer, but they would also be great for the environment