The Renata/ Maxell Alkaline 1.5V LR44 are micro alkaline button coin cells ideal for use in compatible devices. The cells fit some watches, calculators, digital meters, hearing aids, car security alarms, communication equipment etc. These cells offer a long run time when compared to the price of the product. The power is consistent even when the cell is approaching towards the end of life. Made with fine quality raw materials, these cells do not leak even when kept unused for years.