Electric car batteries should not, generally, be charged to 100%. Long-term, this
But if you’re pressed for range, should you change this and charge up to 100%? Well, unless you absolutely must squeeze every bit of range out of your battery, the answer is still no.
It’s not just about battery degradation. In a recent Twitter exchange, Tesla CEO Elon Musk explained that regenerative braking does not kick in at full charge, meaning the car is less energy efficient.