Analysis of information sources in references of the Wikipedia article "日产聆风" in Chinese language version.
[...] is easy with a 240-volt home charging dock [...] with the 6.6 kW onboard charger
Q: How many charging cycles can the energy storage device survive? A: Like all lithium ion batteries, the Nissan LEAF™ battery will experience gradual capacity loss over time. We expect the battery to last over 10 years, however, there may be a gradual loss of capacity of 30% or more depending on your driving patterns, and the effect on your battery. The battery can be used afterward for storage applications.
[...] is easy with a 240-volt home charging dock [...] with the 6.6 kW onboard charger
Q: How many charging cycles can the energy storage device survive? A: Like all lithium ion batteries, the Nissan LEAF™ battery will experience gradual capacity loss over time. We expect the battery to last over 10 years, however, there may be a gradual loss of capacity of 30% or more depending on your driving patterns, and the effect on your battery. The battery can be used afterward for storage applications.