This simply is not the case as i posted earlier -
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How long do electric car batteries last?
The hundreds of gently topped-up cells inside an EV battery mean that each battery pack is expected to retain its charging-discharging capacity from 100,000 to 200,000 miles. Manufacturers are so confident of the battery’s road use that most electric cars come with an extended warranty of eight years, or 100,000 miles.
The battery will outlive the car...
“The battery will outlive the car,” says Graeme Cooper confidently. “Today, most EV batteries have a life expectancy of 15 to 20 years within the car – and a second life beyond.”
It’s also worth noting that EV battery technology is still evolving, so as tech develops we expect batteries’ lifespan to increase – as well as becoming cheaper, smaller and even lighter.
https://www.nationalgrid.com/storie...eries have,cheaper, smaller and even lighter.