Like all batteries, it’s normal for its ability to hold a charge to decrease with age and usage. But luckily, there are some things you can do to help keep your battery as healthy as possible.
Avoid fully charging and deep discharge of the battery pack
Keep your LEAF’s charge level between 2 and 10 bars (or 20% to 80%) to maximise lifespan. Also, avoid leaving your vehicle at zero charge for more than 14 days. Leave it partially charged when not in use.
Avoid using rapid charge stations too often
While it’s great to use them occasionally, overuse may degrade your battery quicker. If you are using them for longer journey's, then remember to let the battery cool down a bit after charging before hitting that open road, or drive a bit slower to allow air flow to cool the battery.
Article courtesy of Nissan UK