It looks like at the cell level, they're close to $100/kWh and expect to be there at the pack level by 2020. > In a rare disclosure of Tesla’s battery prices,

It looks like at the cell level, they're close to $100/kWh and expect to be there at the pack level by 2020. > In a rare disclosure of Tesla’s battery prices, Musk said in June that his company’s costs for battery cells—the small cylindrical components of its battery packs—had dropped to $110 per kilowatt hour (kWh) and would reach $100 per kWh by the end of 2018. That compares with an average price of about $127 per kWh industrywide.