For aerospace they only go up to 4.05V, and the cells last tens of thousands of cycles with less than 10% capacity loss after a decade: https://www.nasa.gov/wp

For aerospace they only go up to 4.05V, and the cells last tens of thousands of cycles with less than 10% capacity loss after a decade: https://www.nasa.gov/wp-content/uploads/2024/01/saft-ves16-cell-life-test-performance-update.pdf?emrc=65fc803378e2b https://www.nasa.gov/wp-content/uploads/2024/01/saft-ves16-c...