After rising in price for a couple years.
https://www.canarymedia.com/articles/batteries/chart-lithium-ion-battery-prices-are-falling-again
Still, looking at the chart, the rate of decrease is slowing over time and it doesn't look like $80/kwH is going to happen by 2030.
Shocking news/PSA: 2030 is less than six years away. Incredible, no?
https://finance.yahoo.com/news/solar-modules-piling-warehouses-massive-040422153.html?guccounter=1
Solar modules are piling up in warehouses as a massive supply glut has slashed prices by half, IEA says