To be honest, I don't know the answer to your question, but I do know that battery capacity is heavily influenced by the following : -thermal cycling -maximum t

To be honest, I don't know the answer to your question, but I do know that battery capacity is heavily influenced by the following : -thermal cycling -maximum temperature -charging parameters I would hazard that Nissan has performed a number more tests on the leaf batteries in the last couple years and developed a better model for battery decay based on their enforced management of the above listed characteristics.