Alkaline LR20 D Size Used For Remote Car, Electronic toys LR20T/2B Anti-Leak Protection The batteries come with anti-leak protection that suppresses gas when a battery depletes or is stored for a long period. Thus, this reduces the risk of damage to your valuables. No Mercury Added This product does not contain any mercury. The inhalation of mercury vapour can produce harmful effects on the nervous, digestive and immune systems, lungs and kidneys, and can be fatal. These batteries remove the fear of such diseases. Lasts Long These batteries are modern alkaline batteries rather than traditional zinc carbon ones. These batteries have a longer shelf life and will serve you for a long time. 1.5 Volt Batteries These batteries have a 1.5V output power. This makes them powerful enough to run multiple devices without any lag in performance. Wide Range Compatibility These batteries are alkaline made and have a 1.5V output power. They are long-lasting and are ideal for multiple devices like toys, torch and even remotes. Alkaline Composition These batteries are alkaline made and have the least resemblance to traditional zinc carbon ones. These batteries have a longer shelf life and will serve you for a long time.