Toyota has recently revealed that the batteries it has built through a joint venture with Panasonic retain over 90% of its capacity after ten years. The company has also announced a free charging deal for US customers in partnership with EVGo.
https://www.notebookcheck.net/The-Toyota-bZ4X-is-coming-this-year-with-a-longer-lasting-battery-and-free-charging-for-12-months.604989.0.html