View Here : How Long Does A Car Battery Last
If the 12V battery becomes unserviceable after 24 months of use, Nissan will provide a replacement 12V battery at a reduced price, charging only for the portion of the life of the 12V battery actually used.
a car battery should last between 5 and 7 years, the older it gets tho the less it will will hold its power. you may encounter problems on a cold morning if your battery is getting on a bit Car batteries with 3 year warranties will often last 5 years. Car batteries with 5 year warranties will often last 8 years.