Super Heavy Duty Batteries- Green Series\nThe Camelion Super Heavy Duty Battery (Green Series) uses PVC jackets for outstanding durability and economy. It uses manganese dioxide for the positive active material, and zinc chloride, ammonium chloride for the electrolyte. This unique construction is specially designed to ensure the product is leakage proof and has a long shelf and service life. It supplies economical power for a wide range of devices such as flashlights, radios, cassettes recorders, remote controls and clocks.