How long will ev batteries last
There is no fixed standard for the usage time of electric vehicle batteries, which will be affected by many factors.
Generally speaking, if it is a long-life lead-acid battery, it usually can be used for 2 – 3 years; the theoretical life of lithium iron phosphate power battery is 7 – 8 years.
Battery life can reach 1000 – 2000 discharges, assuming 1 charge/discharge per day, theoretically can be used for 3 – 6 years, here refers to the battery charge capacity down to 70% of the original.
During the 5-year warranty period, 4S stores will regularly inspect the battery and recommend replacement of modules with reduced performance. Pure electric vehicles mostly use lithium ternary batteries, whose service life is generally around 3 years.
With the current level of electric vehicle range, assuming that full power can run 400 km, 1000 cycles is 400,000 kilometers of life, even with a 20% discount, there are 320,000 kilometers. Ordinary families run 20,000 kilometers a year, can be used for 16 years.
Lithium iron phosphate battery at room temperature 25 °, the cycle life can reach 2000 – 3000 times or even higher.
The national minimum warranty for electric vehicle power batteries is 8 years and 120,000 kilometers, and many car companies are higher than this standard, such as BYD, GAC, Krypton, etc. launched a lifetime warranty.
Everyone’s different driving habits or frequent fast charging will cause irreversible damage to the battery, and the usage time may be shortened.
All in all, under normal use, electric car batteries can last 3 – 8 years or even longer, so there is no need to worry too much about battery life.