Better quality: SURPOWER is a professional battery manufacturing factory, providing a large number of high-quality batteries for many companies around the world for many years. Our every button battery has strict standard quality inspection, high capacity and high voltage make the battery more stable and durable.Safety certification: Using high quality core raw materials and precision manufacturing process make SURPOWER button battery no leakage and safer. With CE.ROHS.UN38.3 safety certification.Better price: SURPOWER brand is factory direct sale, was invited to Amazon.Through retail packaging, wholesale prices, let you have a better shopping experience.Better after-sales service: The date of production, shelf life and capacity of the battery are clearly marked on the cardboard, please rest assured that the purchase . Please feel free to contact us if you have any problem with the battery after purchase, even if it is caused by non-human factors such as weather and transportation. We will unconditionally provide you with a refund or replacement.Applicable to the following models:CR1/3N ,CR1-3N,1/3N, 2L76 ,2L76BP ,K58L CR11108, 7K67 ,DR1/3N ,5018LC ,KL1/3N, DR-1/3N ,CR-1/3N ,DL1-3N, DL-1/3N CR1,6127HM-N, NR-52, 5008L and so on. 5-Year Warranty：please feel free to contact us if you have any problem with the battery after purchase. Applicable limitations:even if problem with the battery is caused by non-human factors such as weather and transportation. We will unconditionally provide you with a refund or replacement.