NANFU Battery, starting from 1954, is the third-largest alkaline battery manufacturer and supplier in the world. NANFU Battery holds the No.1 position in China's Alkaline Battery market for 28 consecutive years. Alkaline Batteries are the most popular and everlasting star product of the NANFU family. Compared with the previous generation of NANFU alkaline batteries, the capacity has increased by 25% with longer battery life. Built to last with an impressive ten-year shelf life so you're never left powerless. Designed to work normally in low temperatures between -20 to 50. No mercury, no cadmium, no lead, easy to throw away together with household garbage. Suitable for any household devices that require D batteries such as flashlights, alarm medical equipment, electric toys, radio, water heater, cooking utensils, parking lock, electronic keyboard, numerical control machine tool, etc. They are the smart choice for both your family and for the environment.