The price of batteries has declined by 97% in the last three decades - Our World in Data
Electric-car battery prices dropped 13% in 2019, will reach $100/kwh in 2023
Lithium battery costs have fallen by 98% in three decades | The Economist
Lithium Ion Battery Price, Trend and Cost Structure (Li-ion)
تويتر \ Simon Moores على تويتر: "> @BloombergNEF forecasting lithium ion battery prices at under $200 $/kWh by 2020. Large orders are already under $140 today. Cheap batteries for majors are here. #