100% original maxell batteries - Environment friendly: 0% mercury used to protect nature earth - Top in world: Largest manufacturer of CR batteries in the world - High, 3V energy density. Have about twice the nominal voltage of alkaline and silver oxide button batteries - Stable discharge characteristics through low internal resistance and high operating voltage - Super leakage resistance and excellent storage characteristic - Provide extra long life of high energy - Compatible use with toys, calculators, cameras, watches, games etc