Ensure that the battery heat shield is installed if your vehicle came equipped with one. Purchasing a high quality battery can substantially lengthen battery life over one that is constructed of lesser materials.
Vibration causes the breakdown of the internal parts of the battery.
Assuring that your battery fits properly and that the battery hold-down is installed correctly and holds the battery firmly in place will minimize the effects that vibration has on your battery. Have the charging system checked yearly to assure it is operating at peak performance. Keep cables clean. Maintain the proper fluid level in your battery. Purchasing a New Battery Eventually, every car will need a new battery.