The best car battery for a 2001 Mercury Villager minivan is a group size 65 battery with a reserve capacity of at least 80 minutes. This battery size will provide enough power to start the minivan's engine and run all of its accessories, even when the engine is not running. It is also important to choose a battery that has a good warranty and that is made by a reputable manufacturer. Some popular brands of car batteries include:
* Interstate
* ACDelco
* AutoZone Duralast
* DieHard
* EverStart
You can purchase a group size 65 battery at most auto parts stores or online. Be sure to read the battery's specifications carefully before purchasing it to make sure that it is the right size and type for your minivan.
