“Lead-acid battery” means any battery weighing more than five kilograms that is primarily composed of both lead and sulfuric acid, whether sulfuric acid is in liquid, solid, or gel state, with a capacity of six volts or more that is used for any of the following purposes:

• As a starting battery that is designed to deliver a high burst of energy to an internal combustion engine until it starts.
• As a motive power battery that is designed to provide the source of power for propulsion or operation of a vehicle, including a watercraft.
• As a stationary storage or standby battery that is designed to be used in systems where the battery acts as either electrical storage for electricity generation equipment or a source of emergency power, or otherwise serves as a backup in case of failure or interruption in the flow of power from the primary source.
• As a source of auxiliary power to support the electrical systems in a vehicle, as defined in Section 670 of the Vehicle Code or in an "implement of husbandry" as defined in Section 36000 of the Vehicle Code.