Bobcat zero-turn mowers use U1 batteries. These batteries are designed for lawn and garden equipment and are available at battery stores, lawn and garden suppliers, and automotive parts dealers. Always consult the documentation for the equipment before purchasing a battery to ensure that the correct voltage battery is purchased.
U1 batteries are a grade of utility battery. These batteries are designed to withstand more shock and vibration than other batteries, due to their use in tractors, sport utility vehicles, lawn mowers and other lawn, farm and garden equipment. Because there are multiple grades of utility battery, take care to ensure the correct battery is purchased.