California Code, Public Resources Code - PRC § 15005

“Dry cell battery” means any type of enclosed device or sealed container consisting of one or more voltaic or galvanic cells, electrically connected to produce electric energy, composed of lead, lithium, manganese, mercury, mercuric oxide, silver oxide, cadmium, zinc, copper, or other metals, or any combination thereof, of any shape, including, but not limited to, button, coin, cylindrical, or rectangular, and of a liquid starved or gel electrolyte, that is designed for commercial industrial, medical, institutional, or household use, including any alkaline, manganese, lithium, mercuric oxide, silver oxide, zinc-air, or zinc-carbon battery, or any rechargeable battery.