“If the battery is more than three to five years old, isn’t holding a charge, or has visible signs of damage like bulging or corrosion, it’s time to replace it.” You can change a car ...

Install battery terminal anti-corrosion washers onto ... Check the battery fluid level if your car has a non-maintenance-free battery. Top off with distilled water if the level is low.

The cost to replace an electric car battery that’s out of warranty can range from about $5,000 to about $20,000, but the odds of needing to replace one are low. Many, or all, of the products ...