The battery in a Nissan LEAF is warranteed to retain 75% of its capacity for 8 years, 160,000 km. So there's a good chance you'd be on a 2nd battery, considering a 3rd at your stage.
But on the upside, there's virtually none of the other engine maintenance that is required of combustion-run vehicles.
But on the upside, there's virtually none of the other engine maintenance that is required of combustion-run vehicles.