JCB JCB is a UK-based manufacturer who specializes in construction appliances and light appliance accessories such as batteries and LED light bulbs. This company has a long history of heavy equipment and light equipment and can be trusted with their excellent heavy machine appliances and home appliance accessories products. BatteriesJCB offers a wide range of battery types to suit different equipment needs, including commonly used AA and AAA batteries to large-volume batteries such as C, D, and 9V for heavy machine use. The batteries are zinc-carbon batteries with a base as an electrolyte. They have outstanding duration and high capacity which can significantly save the budgets as well as the environment with reduction of disposable wastes.