电池平均寿命4年。 原装的用了7年，Interstate的2015电池至今仍然ok，"年轻化"了若干回...

电池一般的寿命: three to four years

Some cars will get up to five or six years out of their battery, while others will need a new one after only two years. In general, your car will usually need a new battery after three to four years. Replacing your car battery is another part of routine maintenance.