These Energizer 4LR44 6V alkaline batteries batteries have a variety of applications such as photographic equipment, flashes and digital cameras, as well as battery operated medical equipment. These batteries are designed to be durable; the alkaline chemistry is designed to give reliable and long-lasting power. Alkaline batteries have a high energy density; they produce a stable power output throughout their life cycle, and they perform across a large temperature range without a notable drop in output. These 4LR44 power cells have a nominal current capacity of 178 mA/h. This longevity is coupled with the high shelf life of the cells; alkaline batteries will last up to seven years with minimal charge leakage. This makes them the ideal battery to keep in stock for ready use. This is.